A 24-year-old G4P2 woman at 34 weeks gestation complains of a cough and whitish sputum for the last three days. She reports that everyone in the family has been sick. She reports a high fever last night up to 102°F (38.9°C). She denies chest pain. She smokes a half-pack of cigarettes per day. She has a history of asthma with no previous intubations. She uses an albuterol inhaler, although she has not used it this week. Vital signs are: temperature 98.6°F (37°C); respiratory rate 16; pulse 94; blood pressure 114/78; peak expiratory flow rate 430 L/min (baseline documented in the outpatient chart = 425 L/min). On physical examination, pharyngeal mucosa is erythematous and injected. Lungs are clear to auscultation. White blood cell count 8,700; arterial blood gases on room air (normal ranges in parentheses): pH 7.44 (7.36 - 7.44); PO2 103 mm Hg (>100), PCO2 26 mm Hg (28 - 32), HCO3 19 mm Hg (22 - 26). Chest x-ray is normal. What is the correct interpretation of this arterial blood gas?A. Acute metabolic acidosisB. Compensated respiratory alkalosisC. Compensated metabolic alkalosisD. HypoventilationE. Hyperventilation

I believe it is Compensated metabolic alkalosis.

The arterial blood gas results indicate compensated respiratory alkalosis. This is evidenced by a slightly elevated pH of 7.44, low PCO₂ of 26 mmHg, and low HCO₃ of 19 mmHg. the correct option is  c) Compensated respiratory alkalosis.

1. pH: 7.44 (upper normal limit for pH is 7.44, implying slight alkalosis)

2. PO₂: 103 mm Hg (indicates adequate oxygenation)

3. PCO₂: 26 mm Hg (lower than normal, indicating respiratory alkalosis)

4. HCO₃: 19 mmHg (lower than normal, suggests metabolic compensation)

Given these results, the key findings are the slightly elevated pH (exactly at 7.44, suggesting no acidosis) and low PCO₂, indicating a primary hyperventilation issue, likely respiratory alkalosis. The lowered bicarbonate (HCO₃) level suggests the body is compensating for the alkalosis by reducing base concentration.

Thus, the correct interpretation is Compensated respiratory alkalosis.

Communicable diseases spread from person to person through sexual contact

Frank was attending college in San Francisco during the recent earthquake. He lived in the area that was hardest hit by the quake. Frank was not home when the earthquake hit and was not injured in any way, but when he returned home, he found his building demolished and his two roommates crushed to death. Frank immediately drove himself to the airport, bought a ticket to Boston, and got on the plane. His parents found him on their doorstep in Boston the next morning. Frank remembers nothing about the earthquake and nothing about going to college in San Francisco. The last thing he remembers is being a high school student and living with his parents in Boston. Frank has _______

Nutrients are chemical substances that are absorbed by the body through the process of what

Patients that suffer from hyperinsulinemia may have a decreased number of insulin receptors on their cell membranes. This is an example of which phenomenon?

A) Down-regulation
B) Hyposecretion
C) Permissiveness
D) Receptor inactivation

Which are some ways to prevent infectious disease?


A avoid pathogens, get immunizations, and practice healthy behaviors


B skip meals, avoid exercise, and get as much sleep as possible


C share eating utensils, cups, and straws, and other personal items


D smoke cigarettes, take illegal drugs, and drink protein drinks

Ethanol (CH3CH2OH) is an alcohol found in beverages. It is oxidized in the body to acetaldehyde by the enzyme alcohol dehydrogenase. Methanol (CH3OH), also known as wood alcohol, is converted to formaldehyde by the same enzyme. Acetaldehyde is toxic, but formaldehyde is far more toxic to humans, which is why the ingestion of relatively small amounts of methanol can cause blindness or death. One treatment for mild methanol poisoning is the administration of ethanol. Why might a doctor choose this treatment? Ethanol (CH3CH2OH) is an alcohol found in beverages. It is oxidized in the body to acetaldehyde by the enzyme alcohol dehydrogenase. Methanol (CH3OH), also known as wood alcohol, is converted to formaldehyde by the same enzyme. Acetaldehyde is toxic, but formaldehyde is far more toxic to humans, which is why the ingestion of relatively small amounts of methanol can cause blindness or death. One treatment for mild methanol poisoning is the administration of ethanol. Why might a doctor choose this treatment?