Insulin-like growth factor-l (IGF-I):
- A. Increases during pubertal growth spurt
- B. Is a single polypeptide chain
- C. Is produced in pancreas
- D. Is secreted in a pulsatile manner
Correct Answer: A
Rationale: IGF-I levels rise significantly during the pubertal growth spurt, contributing to rapid growth and development.
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The treatment of choice for the lesion of the neonate is
- A. digoxin
- B. propranolol (Inderal)
- C. surgical shunt
- D. balloon valvuloplasty
Correct Answer: D
Rationale: Balloon valvuloplasty can relieve pulmonary stenosis and improve symptoms in Tetralogy of Fallot.
All of the following are true about a small VSD EXCEPT
- A. spontaneous closure is more common in muscular vs. membranous defects
- B. closure usually occurs in the first 2 years of life
- C. there is no risk of endocarditis
- D. pulmonary pressures are normal
Correct Answer: C
Rationale: Even small VSDs carry a risk of endocarditis until they close.
Clinical diagnostic clues in an adolescent female with chronic cough:
- A. Pale stools and diarrhoea
- B. Aspergillus precipitin positive
- C. Calcified bronchopulmonary lymph nodes
- D. Whooping cough in the past
Correct Answer: B
Rationale: Aspergillus precipitin positive: A positive Aspergillus precipitin test indicates Aspergillus exposure, which could lead to chronic pulmonary issues, especially in immunocompromised individuals.
Cantwell criteria is used to diagnose
- A. Congenital tuberculosis
- B. Congenital syphilis
- C. Congenital rubella
- D. None of the above
Correct Answer: B
Rationale: The Cantwell criteria are used to diagnose congenital syphilis, based on clinical and laboratory findings.
A nurse is preparing to administer an angiotensin-converting enzyme (ACE) inhibitor. Which drug should the nurse administer?
- A. Captopril (Capoten)
- B. Furosemide (Lasix)
- C. Spironolactone (Aldactone)
- D. Chlorothiazide (Diuril)
Correct Answer: A
Rationale: Captopril is an ACE inhibitor. Furosemide is a loop diuretic. Spironolactone blocks the action of aldosterone. Chlorothiazide works on the distal tubules.
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