Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909



Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

Metabolic alkalosis can develop from

1. Hyperchloremia

2. Hypokalemia

3. Hypochloremia

4. Hyperkalemia

A. 1 only

B. 4 only

C. 1 and 3 only

D. 2 and 3 only

Summary Introduction


Metabolic alkalosis is a metabolic condition in which the hydrogen ion concentration decreases while the level of pH (power of hydrogen) increases. This also increases the serum bicarbonate concentration. Hypokalemia is the condition where potassium levels are low in the blood, while hypochloremia refers to the low levels of chlorine ions in the blood.


Explanation for the correct answer:

Option (D) states that metabolic acidosis is caused by hypokalemia (2) and hypochloremia (3) only. Metabolic alkalosis leads to a high pH level of blood due to the loss of hydrogen ions. This also increases the serum bicarbonate concentration. The common causes are hypokalemia and hypochloremia. Hypokalemia can occur because of diuretic drugs or diarrhea, which reduces the level of potassium. The moment the concentration of potassium gets low, the kidneys attempt to conserve it by releasing hydrogen ions, therefore increasing the blood base. The condition in wherein the concentration of chloride ions is decreased, while that of the bicarbonate ions is increased as a compensatory mechanism makes the serum alkaline. Hence, option (D) is correct.

Explanation for the incorrect answer:

Option (A) states that hyperchloremia causes metabolic acidosis (1)...

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