Nokea
Measuring serum potassium is essential in a child with confirmed hypertension because hyperkalemia may be seen in
- A. Liddle syndrome
- B. Gordon syndrome
- C. glucocorticoid remediable aldosteronism
- D. apparent mineralocorticoid excess
Correct Answer: D
Rationale: Hyperkalemia is not typically associated with Liddle syndrome, which causes hypokalemia.
You may also like to solve these questions
Which of the following conditions results primarily from mutation in the gene encoding Vitamin D receptor?
- A. Vitamin D dependent rickets type 1
- B. Vitamin D dependent rickets type 2
- C. X-linked hypophosphatemic rickets
- D. Autosomal dominant hypophosphatemic rickets
Correct Answer: B
Rationale: Vitamin D dependent rickets type 2 is caused by mutations in the vitamin D receptor gene, leading to resistance to vitamin D.
An infant with congestive heart failure is receiving digoxin (Lanoxin). What does the nurse recognize as a sign of digoxin toxicity?
- A. Restlessness
- B. Decreased respiratory rate
- C. Increased urinary output
- D. Vomiting
Correct Answer: D
Rationale: Symptoms of digoxin toxicity include nausea, vomiting, anorexia, irregularity in pulse rate and rhythm, and a sudden change in pulse.
A 4-year-old child has had fever, malaise, and vomiting and right-sided abdominal pain for 48 hours. The following are likely diagnoses:
- A. Acute pyelonephritis
- B. Shigella dysentery
- C. Ascaris lumbricoides infestation, if the child is living in the tropics
- D. Right sided tumour
Correct Answer: A
Rationale: Acute pyelonephritis is a common cause of fever, vomiting, and abdominal pain in children. Shigella dysentery typically causes diarrhea, and Ascaris infestation is rare in non-tropical regions. A right-sided tumour is unlikely without other signs.
Which is a clinical manifestation of the systemic venous congestion that can occur with heart failure?
- A. Tachypnea
- B. Tachycardia
- C. Peripheral edema
- D. Pale, cool extremities
Correct Answer: C
Rationale: Peripheral edema, especially periorbital edema, is a clinical manifestation of systemic venous congestion. Tachypnea is a manifestation of pulmonary congestion. Tachycardia and pale, cool extremities are clinical manifestations of impaired myocardial function.
Management of thalassaemia includes:
- A. Whole blood transfusions
- B. Pneumovax
- C. Bone marrow transplant
- D. Penicillin V prophylaxis
Correct Answer: C
Rationale: The correct answer is C because bone marrow transplant is a curative treatment for thalassaemia. The other options (a, b, d, e) are supportive treatments but not curative.