Serum Sodium, Potassium, and Related Topics MCQs
- Which of the following statements is true about serum sodium:
- A. It is the main extracellular anion
- B. It is increased in Addison’s disease
- C. It’s increased in renal tubular acidosis
- D. It is low in the Syndrome of inappropriate antidiuretic hormone secretion ✅
- E. It can be excluded from calculation of the anion gap
- Which of the following endocrinal disorders leads to hypernatremia?
- A. Hyperthyroidism
- B. Hypothyroidism
- C. Hyperparathyroidism
- D. Hypoparathyrodism
- E. Conn’s syndrome ✅
- Hypernatremia is a feature of:
- A. Cushing’s syndrome
- B. Renal tubular acidosis
- C. Chronic interstitial nephritis
- D. Congestive heart failure
- E. Paralytic ileus ✅
- Hypokalemia is expected to occur in:
- A. Mineralocorticoid deficiency
- B. Hyperemesis gravidarum ✅
- C. Crush injuries
- D. Acute renal failure
- E. DKA
- Hyperkalemia occurs in:
- A. Anorexia nervosa
- B. Cushing’s syndrome
- C. Burns ✅
- D. Use of purgative
- E. Insulin therapy
