Answer:
The correct answer is option C.
Explanation:
The adaptive immune is characterized by immunological memory, specificity, and self nonself recognition. These cells are involved in lymphocytes that fight against the specific antigen.
T cells tend to be more severely affected than the B cells by the primary immunodeficiencies however both are the major components of the adaptive immune system.
Thus, the correct answer is option C.
Which of the following statements is false?
A) The papillary layer is closest to the epidermis.
B) Collagen fibers recoil when skin is stretched, returning it to its original shape.
C) Fibromyalgia is overactive nerve endings in the skin.
D) Both collagen and elastin fibers extend into the papillary and hypodermal layers.
E) All of these statements are true.
Answer:
The answer is letter D.
Explanation:
Letter A- The papillary layer is closest to the dermis. This is true. There are two types of layers in the dermis, the papillary layer and the reticular layer. The papillary layer is directly located underneath the dermis, while the reticular layer follows under (this layer consists of denser connective tissues).
Letter B - Collagen fibers recoil when skin is stretched, returning to its original shape. This is true. The ability of the collagen fibers to recoil is due to the presence of a protein, which makes it flexible and strong. This allows it to resist stretching and return to its original shape.
Letter C- Fibromyalgia is overactive nerve endings in the skin. This is true. Fibromyalgia is a disorder that affects the musculoskeletal system of the body. Due to overactive nerve endings, it amplifies the pain that a person experiences by sending pain signals to the brain. This is similarly linked to the condition of arthritis.
Letter D- Both collagen and elastin fibers extend into the papillary and hypodermal layers. This is false. It is only the collagen fiber that extends into both papillary and hypodermal layers.
Thus, the answer is letter D.
The false statement is that Fibromyalgia is overactive nerve endings in the skin. Fibromyalgia is actually a chronic condition causing pain, fatigue, and tenderness, not limited to overactive nerve endings in the skin.
The statement that needs to be identified as false is: Fibromyalgia is overactive nerve endings in the skin. This statement is false because fibromyalgia is a disorder characterized by widespread musculoskeletal pain accompanied by fatigue, sleep, memory, and mood issues; it is not directly related to overactive nerve endings in the skin.
The papillary layer is indeed closest to the epidermis and is made up of loose areolar connective tissue. It projects into the stratum basale of the epidermis to form dermal papillae. Collagen and elastin fibers are present in this layer and extend into the reticular layer and hypodermis, which helps provide elasticity and strength to the skin, enabling it to return to its original shape after being stretched.
Given the findings in the passage, which additional result most strongly indicates that the TGFBR1 and TGFBR2 receptors regulate TGFβ-dependent epithelial proliferation?
Final answer:
The activation of the MAP-kinase cascade strongly indicates that the TGFBR1 and TGFBR2 receptors regulate TGFβ-dependent epithelial proliferation.
Explanation:
The additional result that most strongly indicates that the TGFBR1 and TGFBR2 receptors regulate TGFβ-dependent epithelial proliferation is the activation of the MAP-kinase cascade, resulting in cellular metabolism. The MAP-kinase cascade is a signaling pathway that controls cell growth and division.
When TGFβ binds to its receptors (TGFBR1 and TGFBR2), it activates the MAP-kinase cascade, which ultimately leads to the regulation of cell proliferation.
Which of the following water supplies would be affected directly by groundwater contamination?
A. lakes
B. wells
C. rivers
D. streams
B.) Wells since the purpose of wells is to retrieve water from underground
The source of water that would be most affeceted by the contamination of the ground water are the wells.
What is ground water?The term ground water refers to water that is under the ground, stored in underground aquifers. These underground water sources are commonly used to recharge wells.
The source of water that would be most affeceted by the contamination of the ground water are the wells.
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Suppose that the mutation rate per base pair for a genetic locus is 4 Ã 10â8, and that the locus contains 1,500 base pairs. What is the per-locus mutation rate?
A) 4 Ã 10â5
B) 6 Ã 10â5
C) 8 Ã 10â5
D) 4 Ã 10â4
Answer:
B) 6*10^-5
Explanation:
When you want to know the mutation rate per-locus you only have to multiply the number of base pairs of that locus by the mutation rate per base pair. Its a matter of what is the probability that every base pair in that locus could mutate.
(4*10^-8)*(1500)=6*10^-5
Water found in animal and human cells is most often found in the phase of matter, and oxygen is found in the phase of matter.
Answer:
Water inside a Cell an animal cell- About 60% of the total mass of a animal body is made up of water molecules. As inside the animal body water is found in two different forms of matter basically in the form of the liquids and solid. As in form of liquid water is basically providing medium for transportation different materials inside the animal body. And in the form of solid acting as a part of the organs structure inside the body.
Explanation:
While in blood and urine water exists in the form of liquid inside an animal body.
The oxygen in lungs exists in the form of gas. As we inhale oxygen in form of gas. Oxygen then binds with other molecules to form certain macro molecules to perform different functions inside an animal body.
Water is commonly found in a liquid state in animal and human cells, supporting various life processes. Oxygen is typically found as a gas, essential for energy production in cells.
Explanation:In living organisms like humans and animals, water is most commonly found in the liquid state. Water is a critical nutrient and is the largest component of cells, blood, and the fluid between cells. Water makes up about 70 percent of an adult's body mass, and its chemical properties make it integral to all living processes.
On the other hand, oxygen is usually found in a gaseous state within the body. As a gas, oxygen diffuses across cell membranes to be used in metabolic processes, particularly in the production of energy via cellular respiration.
Therefore, water is most often found in the liquid phase, and oxygen is most often found in the gaseous phase in animals and human cells.
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At the time of Mendel’s pea plant experiments, no one knew how organisms formed gametes. As Mendel studied the inheritance of two different characters, he wondered how the alleles for the two characters segregated into gametes. Mendel had two hypotheses for how this might work.
Answer:
Explanation:
one of the hypothesis put forward by Gregor Mendel states that when two different alleles are inherited together, one may be expressed, while the effect of the other may be masked.
the second hypothesis states that when gametes are formed, the two alleles of each gene are segregated.
Final answer:
Gregor Mendel's pea plant experiments led to the formulation of the laws of segregation and independent assortment, explaining how different alleles for traits separate during gamete formation and how alleles of different genes can shuffle independently.
Explanation:
Mendel's Law of Segregation and Independent Assortment
During Gregor Mendel's groundbreaking experiments with pea plants, he developed foundational principles of genetics, which include the laws of inheritance. Mendel discerned that traits are determined by discrete units, now known as genes, which come in different forms or alleles. His crucial observations led to the formulation of Mendel's first law, the law of segregation, which states that the two alleles for each trait separate during gamete formation in a process called meiosis. This law is pivotal for understanding how traits are transmitted from parents to offspring.
Furthermore, Mendel also discovered the law of independent assortment, which describes how the segregation of alleles for one gene does not influence the segregation of alleles for another gene, allowing for diverse genetic combinations. These laws laid the groundwork for modern genetics, effectively explaining how favorable characteristics examined in Darwin's theory could be inherited. The cross-pollination of pea plants led to hybrid offspring, which Mendel used to further investigate heredity.
A right ventricular infraction is most often seen along with inferior MI is
A. true
B. false
Answer:
True
Explanation:
Occurrence of acute myocardial infarction (MI) along the right ventricle is a very common event.
In general, left ventricular MI is caused along the inferior wall of the left ventricle while right ventricular MI is caused along the inferior wall of the right ventricle. The infraction in right ventricle is caused by the Proximal occlusion of right coronary artery leading to right-heart ischemia and in severe cases may lead to death due to acute inferior infarction
.
During otitis media, large amounts of fluid or pus may accumulate in the tympanic cavity; the fluid is primarily ______.
interstitial fluid
blood
bacterial fluid
a hypertonic fluid
Answer:
Interstitial fluid
Explanation:
Otitis media is an acute infection of the middle ear. It is caused mainly by bacteria and is associated with nose and throat infections. The causative bacteria pass into the auditory tube from the nasopharynx and cause infection in the middle ear. There is a build-up of a large amount of fluid interstitial fluid in the tympanic cavity resulting in reddening and bulging of the eardrum.
Children have almost horizontal auditory tubes that decrease drainage and therefore, are most likely to become affected. To treat the condition, a small tube is inserted into the eardrum to provide a pathway for the drainage of the fluid.
Phenylketonuria can be used by an enzymatic deficiency or it can be presetn due to:
Answer:
Phenylketonuria results from the deficiency of the enzyme phenylalanine hydroxylase
Explanation:
Phenylalanine hydroxylase converts phenylalanine to tyrosine. Deficiency of this enzyme leads to accumulation of phenylalanine leading to the disorder known as phenylketonuria
Which of the following is the general guideline that IACUCs use to evaluate the potential pain of a procedure conducted with animals?
A) Secrete of cytokines
B) Lease of lysozymes into the interstitial fluid
C) Production of antiviral proteins
D) None of the above are correct
The given options do not match with the question.
Answer:
IACUCs ( An institutional animal care and use committee) may be defined as the federal regulations for the institutions in which the animals are used for the research and study purpose.
Some laws, regulations and rules are made for the committees so that they cannot use the animals brutally and illegally. The procedure that might result in the pain and distress in human being can cause same in other animals as well.
A viral cycle, which ends with the rupture of the cell and release of new viral particles, is the: Select one: a. prophage cycle b. lysogenic cycle c. lytic cycle d. temperate cycle
Answer:
The correct answer will be option-Lytic cycle
Explanation:
The lytic cycle is one of the two mechanisms of reproduction performed by bacterial viruses called Bacteriophage.
During the lytic cycle, the virus reproduces by using the DNA replication machinery of the host cell and then producing enzymes which degrades the cell wall structure of the bacteria.
The enzyme acts and degrades the cell wall as a result of which the bacteria dies and the produces viral particles are released into the environment. Since the bacterial cells are then lysed by the virus therefore the cycle is known as the lytic cycle.
Thus, the option-Lytic cycle is the correct answer.
Compare and contrast the extracellular matrix of animals and the cell wall of plants. Consider their functions and the types of molecules that make up these structures. What properties of these molecules help to fulfill these functions? Where are these molecules synthesized
Answer:
The plant cell wall is strengthened by the molecular structure of cellulose. Cellulose is made up of ß-glucose arranged upside down, this arrangement aided hydrogen bonds between the hydrogen ions of the hydroxyl group and oxygen of the of the ring of same betta -glucose.
The aggregation of the hydrogen bonds give bundles of strong tensile strength of cellulose called the microfibrils (of 60-70 celluose molecules).They are held together in bundled called fibers.These is the source of plant cell walls strength.
Collagen is the main extracellur matrix (EM) in animal cells.It is a glycoprotein made up of 25%of body protein of animals.Each collagen molecule is made of helix shaped ,three polypeptide chains, wound around each other to form triple helix.The bonds holding helix together are hydrogen and covalent bonds.
Each triple helix is attached to adjacent collagen molecule, parallel to it. The covalent bonds formed a cross link which held the collagen molecules together forming FIBRILS. This gives flexibility to collagen, while maitaing strong tensile strength. This is what is responsible for the structural strength of cell membrane .
.The EM,is futher reinforced with carbohydrate molecules(proteoglycans) which aided in water movements by osmosis following sodium movements into the matrix.
Final answer:
A comparison of the extracellular matrix of animals and the cell wall of plants, with a focus on their components, functions, and synthesis.
Explanation:
Extracellular Matrix of Animals: The extracellular matrix of animals is composed of proteins, with collagen being the most abundant, along with proteoglycans. These structures hold cells together to form tissues and facilitate intercellular communication.
Cell Wall of Plants: In contrast, plant cells have a cell wall made of cellulose, hemicellulose, and pectin. The cell wall provides structural support, protection, and regulation of water uptake.
Molecules and Functions: Proteins like collagen and proteoglycans in the animal extracellular matrix provide strength and support, while cellulose in plant cell walls offers rigidity. These molecules are synthesized within the cells and secreted to form their respective structures.
Identify five changes in medcial care over the past years that have affected the profession of medical assisting.
Explanation:
A medical assistant's scope of practice generally does not include these duties: Independently perform telephone triage (medical assistants are not legally authorized to analyze and interpret data or diagnose symptoms). Independently diagnose or treat patients. Inject collagen.
What are the potential pros and cons of having a test to see if you have the BRCA gene done
Answer:
Some advantages of genetic testing include:
A sense of relief from uncertainty
Reduce the risk of cancer by making certain lifestyle changes if you have a positive result
In-depth knowledge about your cancer risk
Information to help make informed medical and lifestyle decisions
Opportunity to help educate other family members about potential risk
Earlier detection, which increases the chance of a successful outcome.
Explanation:
Some disadvantages, or risks, that come from genetic testing can include:
Testing may increase anxiety and stress for some individuals
Testing does not eliminate a person’s risk for cancer
Results in some cases may return inconclusive or uncertain.
Testing for the BRCA gene has potential benefits, such as personalized medical care and early cancer detection, but also cons like psychological distress and ethical dilemmas regarding family planning.
The pros and cons of testing for the BRCA gene, which is associated with increased risks of breast and ovarian cancer, can be significant. One of the clear pros is that test results can be extremely useful in guiding medical care. For instance, if a person is found to have a mutation in the BRCA1 or BRCA2 gene, they can undergo more frequent and earlier cancer screenings, like a Breast MRI, which can lead to early detection and more treatable stages of cancer.
Among the potential cons, knowing one's genetic information can bring emotional and psychological discomfort, as the knowledge of a higher risk for cancer can be daunting. Additionally, there are important ethical considerations; for example, the knowledge may impact someone's decision about having children. High-profile cases, such as that of actress Angelina Jolie, have sparked public discussion about the choices surrounding BRCA testing and subsequent preemptive medical procedures like mastectomy or oophorectomy to reduce cancer risk.
For a species with a Type II curve, less than ____% of individuals survive for 50% of the maximum life span.
a) 10 b) 12 c) 13 d) 15
Answer:
A) 10Explanation:
A survivorship curve is the representation of the number of individuals at any given age. The survivorship curve formed of three types which are: TypeI, Type II and Type III.
Type II survivorship curve is the curve formed for those species in which the mortality rate of the organism remains constant throughout their lifetime that is the death of the organism is not dependent on their age.
Although their mortality rate is independent of their age they are not able to survive their maximum lifespan due to predation and competition. Only 10% of organisms survive their maximum lifespan.
Thus, 10% is the correct answer.
As you study two closely related predatory insect species, the two-spot and the three-spot avenger beetles, you notice that each species seeks prey at dawn in areas without the other species. However, where their ranges overlap, the two-spot avenger beetle hunts at night and the three-spot hunts in the morning. When you bring them into the laboratory and isolate the two different species, you discover that the offspring of both species are found to be nocturnal. You have discovered an example of
A) character displacement
B) Batesian mimicry
C) Facultative commensalism
D) Mutualism
E) Resource particioning
Answer:
E. Resource particioning
Explanation:
resource partitioning is a system adopted by organisms in a niche to avoid competition, they do this by dividing their limited resources.
When a substance abuse treatment program is acquired by another program, what is the the next course of actions?
When a substance abuse treatment program is acquired by another program, the next course of action is that if any patients refuse consent to transfer, those records maybe destroyed or retained in compliance with the statue of limitations
Explanation:
The Substance Abuse Confidentiality Regulations devised by the Substance Abuse and Mental Health Services Administration provides confidentiality to the patients undergoing a treatment program for substance abuse.
Under this regulation, section 2.19 details and sets forth rules to follow when a program is acquired by another program.
This states that the program must either purge the identifying details of the patient from its records or destroy it until or unless the patient consents for the transfer of details or information in the records.
This condition can be exceptional in compliance with the statute of limitations and the records can be retained, like in case of any legal requirements .
why can overproduction underproduction and production of proteins at incorrect times be a problem?
Answer:
Overproduction can cause many diseases like
Proteinuria and Amyloidosis
Underproduction may also leads to many problems like
Celiac disease and Congestive heart failure
Production of proteins at incorrect times may lead to severe conditions like
Ulcer
Explanation:
Overproduction of Proteins:
Proteinuria
This is the condition caused by the overproduction of proteins within the body. The urine of Proteinuria patients contains an abnormal amount of protein. This is linked with kidney disease. Filtration damage in kidneys causes the release of proteins like albumin leak in the urine.
Amyloidosis
This is the disease in which amyloid protein in high concentration get deposited in the organs, which causes these organs to malfunction. Organs which are affected by this condition are kidneys, heart, spleen, liver, nervous system, intestines or stomach.
The Underproduction of Proteins:
Low level of protein production can lead to many conditions such as
Celiac disease:
This is the disease in which the patient is intolerant to gluten protein which can damage the small intestine by activating the immune response.
Congestive heart failure:
This is the condition in which heart-pumping power becomes weak due to the underproduction of heart muscles.
Production of proteins at incorrect times:
Incorrect timing of the proteins may lead to severe conditions like
Ulcer:
The Stomach produces enzymes pepsin and HCl which cause the food to digest. If this protein produces at the wrong time with regular interval it may cause Ulcer.
Which tiny frogs have enough venom to kill 10 grown men?
Answer:
poison dart frogs
Explanation:
Answer:
Poison dart frogs
Inferior to this level, nerve roots collectively called the ____________ project ____________ from the spinal cord. These nerve roots are so named because they resemble a horse’s tail. Within this "horse’s tail" is the ____________ . This is a thin strand of ____________ mater that helps anchor the conus medullaris to the ____________ .
Answer: Inferior to this level, nerve roots collectively called the Cauda equina project inferiorly from the spinal cord. These nerve roots are so named because they resemble a horse’s tail. Within this "horse’s tail" is the Filum terminale. This is a thin strand of pia mater that helps anchor the conus medullaris to the coccyx.
Which words best complete the lettered blanks in the two sentences below? Organic compounds, such as proteins and starches, are too large to diffuse into cells. Proteins are digested into (A)___________________ and starches are digested into (B)____________________ .
A. A) glucose b) fatty acids
B. A) amino acids b) glucose
C. A) glucose b) amino acids
D. A) fatty acids b) glucose
Organic compounds, such as proteins and starches, are too large to diffuse into cells. Proteins are digested into (A) amino acids and starches are digested into (B)glucose.
What is structure of cell?The cell, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic strands and hundreds of tiny, unique components known as organelles can be found in the cytoplasm. Cells are often elongated, spherical, or circular. Some cells have lengthy ends that are pointed. They have a cell cycle appearance. Sometimes, cells might be quite lengthy. Some have branches, like a neuron or a nerve cell.
What is the name of cells?There are two distinct types of cells: prokaryotic cells, which lack a nucleus but still have a nucleoid area, and eukaryotes, which have a nucleus. Eukaryotes can either be single-celled and multicellular, in opposed unlike prokaryotic cells, that are single-celled organisms.
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A surgical procedure that creates an opening between the intestine and the surface of the body that allows for elimination of waste products is called a(n):__________
Answer: colostomy
Explanation:
Colostomy is a surgical procedure which is used to remove waste or feces from the body when the body is incapable of expelling out the waste. A stoma is the opening either created surgically or naturally present. It is the opening in the large intestine it allows the removal of the feces out of the body. The feces is drain through the rectum into the pouch of the collection device.
All EXCEPT which of the following statements are evidence that DNA, and not protein, is the genetic material in eukaryotes as well as bacteria
The question is incomplete as it does not have the options which are:
UV light is most mutagenic at a wavelength at which DNA and RNA strongly absorb. DNA has four nucleotides. Introduction of a cloned DNA into another organism results in the production of the corresponding protein product. DNA is located only where the primary genetic function is known to occur.Answer:
DNA is located only where the primary genetic function is known to occur.
Explanation:
DNA acts as the genetic material of almost all living organisms on Earth except few viruses which contains RNA as their genetic material.
Since it is not necessary that the DNA is present only at the site where its function is known is incorrect as DNA is found in every cell of the multicellular organism and in a unicellular organism. It is the expression of the specific genes which the cell acquire during the differentiation.
All other provided option except the selected options is evidence of the DNA as the genetic material.
The experiments of Martha Chase and Alfred Hershey in 1952 provided evidence that DNA, and not protein, is the genetic material in eukaryotes and bacteria.
Explanation:The experiments conducted by Martha Chase and Alfred Hershey in 1952 provided strong evidence that DNA, and not protein, is the genetic material in eukaryotes as well as bacteria.
Chase and Hershey studied a bacteriophage virus that infects bacteria and labeled the DNA and protein of the virus with different radioactive isotopes.
They found that only the DNA, and not the protein, was passed on to the next generation of virus particles, confirming that DNA is the hereditary material.
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Empty stomachs contract, causing both hunger pangs and the secretion of chemical messages that travel to the brain to serve as a signal to initiate feeding behavior. This is an example of ________. Select one: a. a genetic disorder that results in persistent feelings of intense hunger and reduced rates of metabolism b. binge eating behavior that is followed by an attempt to compensate for the large amount of food consumed c. how physiological mechanisms serve as the basis for hunger d. the amount of energy that is expended in a given period of time.
Answer:
The correct answer will be option-C
Explanation:
Eating activity is very important for the organisms to survive which is regulated at the physiological mechanism.
When the stomach of the person is empty, it starts contraction. The contraction of the stomach causes the secretion of the chemical messages which transfers from the stomach to the CNS mainly hypothalamus and the hindbrain.
This produces a feeling of hunger in humans in the response to which the CNS sends the signals to feed on something. This shows how human activities are controlled at a physiological level.
Thus, Option-C is the correct answer.
The described scenario of stomachs contracting and causing secretion of chemical messages when empty is an example of how physiological mechanisms serve as the basis for hunger. These mechanisms ensure that our bodies correctly regulate our need for nutrition, whether we feel hunger or satiation.
Explanation:The event described -- empty stomachs contracting, causing both hunger pangs and the secretion of chemical messages that travel to the brain to serve as a signal to initiate feeding behavior -- is an example of c. how physiological mechanisms serve as the basis for hunger.
Our brains and bodies work in tandem to regulate our need for nutrition. When our stomachs are empty, they contract and these contractions can lead to the sensation of hunger. At the same time, our bodies produce chemical signals that travel to the brain, signaling the need to initiate feeding behavior, or in simpler terms, the need to eat.
Satiation, or the feeling of being full, occurs when we have eaten and our blood glucose levels increase. The pancreas and liver then send signals to stop feeding behavior. This cycle of hunger and satiation is complex and highly regulated, ensuring that we maintain a relatively stable body weight, unless there is a persistent input of more calories than are expended, leading to storing excess energy as fat.
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After a seed has been produced, it often has a time during which no growth occurs called_________.
Answer: Seed Dormancy
Explanation:
In the last stages of seed maturation, the seed dehydrates and the embryo, which is surrounded by a food supply enters dormancy, that it stops growing and its metabolism nearly ceases. The embryo and it's food supply are enclosed by a hard protective seed coat formed from the integument of the ovule.
Dormancy is a condition of extremely low metabolic rate and suspension of growth and development.
Some seeds species as soon as they are in suitable environment. Others remain dormant, even if sown in a favorable place until an environmental cue causes them to break dormancy.
A desirable intake of dietary fiber is ________ grams daily, according to the daily value.
Answer:
14 grams
Explanation:
As per the dietary guidelines of America, the recommended intake of dietary fiber is 14 grams per thousand calories. Dietary fiber is made up of carbohydrates (than cannot be digested), lignin intrinsic and intact. A rich fiber diet is essential to take care of heart disease and betterment of laxation.
Some of the common sources of dietary fibers are – grains, vegetables, fruits, etc.
Sponges are filter feeders and are usually:_______
a. active predators.
b. sessile or relatively inactive.
c. always herbivorous.
d. squids.
e. snails.
Answer:
sessile or relatively inactive.Explanation:
Sponges are the multicellular which contains channels and pores in their bodies to allow the movement of surrounding water in them. They belong to the kingdom Porifera and are one of the earliest forms of multicellular life on earth.
Since the sponges are one of the earliest forms of multicellular organisms on Earth, therefore, they do not move and remain attached to the underwater surface. Therefore they remain inactive and are sessile.
Thus, Option-B is the correct answer.
What is the correct definition of antibodies?
A. substances that send the immune system into action
B. special white blood cells in the lymph
C. proteins that attach to antigens, keeping them from harming the body
D.medicines that kill bacteria in the body
Answer: The answer is C
Explanation:
Antibodies or otherwise called Immunoglobulin are special protein that are produced by certain lymphocytes which produces antibodies which can affect the invading bacteria or other foreign bodies called the antigens or other toxins in a number of ways . Certain antibodies known as agglutinins make bacteria harmless by causing them to clump together. The lysins dissolve the outer coats of bacteria, the antitoxin neutralize the toxin of bacteria while precipitins precipitate the toxin as insoluble and therefore , convert them to a harmless compound. Antibodies are always produced by the immune system.
A protective protein called an antibody, also known as immunoglobulin, is created by the immune system in reaction to the presence of an antigen, a foreign substance, hence option C is correct.
What is the function of antibodies?Antibodies are able to identify and attach to antigens, removing them from the body.
The production of a vast number of protective proteins that search the body for any signs of the antigen. A foreign substance that penetrates your body is known as an antigen.
This can include allergens, bacteria, viruses, fungus, venom, and other different types of toxins. Your immune system makes an antibody protein to go after and combat these pathogens.
Theretofore, B cells and antibodies perform one of the immune system's most crucial tasks, namely the recognition of an invasive antigen.
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What information should be included in the client and family teaching of magnesium sulfate? Select all that apply.
1. Monitoring deep tendon reflexes
2. Assessing urine output every 8 hours
3. Maintaining a dark, quiet environment
4. Using a pump to regulate the medication
5. Having calcium gluconate available at the bedside
6. Notifying the care provider if the respiratory rate is slower than 20 breaths/min
Answer:
The correct answers are options 1. "Monitoring deep tendon reflexes", 3. "Maintaining a dark, quiet environment", 4. "Using a pump to regulate the medication", and 5. "Having calcium gluconate available at the bedside".
Explanation:
The most common cause of a patient receiving magnesium sulfate is as a treatment for severe preeclampsia. The client and family teaching of magnesium sulfate must include learning about the interventions that are needed for this treatment, including:
- "Monitoring deep tendon reflexes". A signal of magnesium sulfate toxicity is the loss of deep tendon reflexes. These reflexes must be monitored for security reasons.
- "Maintaining a dark, quiet environment". The patient must be kept in a dark, quiet environment as neuromuscular stimulation must be limited.
- "Using a pump to regulate the medication". The doses of magnesium sulfate must be regulated to avoid toxicity, therefore an injection pump must be used.
- "Having calcium gluconate available at the bedside". Calcium gluconate is used to treat magnesium sulfate toxicity. This medication must be kept available at the bedside for any situation of emergency.
Characteristics that allow neurons to communicate with other body cells include:a) Relaying motor impulses from the cortex to the thalamus.b) Stimulation of "association areas" to analyze information received.c) The ability to regulate body temperature.d) The ability to be stimulated and to convey electrical impulses.
Answer:
The correct answer is d) The ability to be stimulated and to convey electrical impulses.
Explanation:
Neurons are cells that have the ability to transmit the nerve impulse in the form of an electric current. When a neuron is stimulated, electrical changes occur in its membrane that are transmitted from the dendrites to the axon, crossing the entire neuron, that is, when a neuron is stimulated, some electrical changes that begin in the dendrites originate, pass by the neuronal body, and end up in the axon. This electrical impulse passes from one neuron to another through synapses, connections formed between the final end of the axon of a neuron and the dendrite of the adjacent neuron.