Nokea
A 19-year-old pregnant mother likes all-night dance parties. She took methylenedioxymetamphetamine (MDMA 'X', Ecstasy) routinely before and during pregnancy. The most likely fetal defect is:
- A. Pulmonary
- B. Gastrointestinal
- C. CNS
- D. Cardiac
Correct Answer: D
Rationale: MDMA use in pregnancy is linked to cardiac defects , like septal defects, per studies (Teratology). A-C, E are less specific.
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In fetal circulation, the pressure is greatest in the
- A. Left ventricle
- B. Right atrium
- C. Pulmonary artery
- D. Aorta
Correct Answer: B
Rationale: Right atrium B has the highest pressure in fetal circulation due to venous return, per document 3.
A newborn girl appears with ambiguous genitalia and a 46,XX karyotype. Labs reveal elevated 17-hydroxyprogesterone. Most likely diagnosis is:
- A. Congenital adrenal hyperplasia
- B. Androgen insensitivity syndrome
- C. Gonadal dysgenesis
- D. 5-alpha reductase deficiency
Correct Answer: A
Rationale: CAH fits XX karyotype and elevated 17-OHP, per AAP (doc p149, Q574).
A child with sickle cell disease should avoid
- A. Cold environments
- B. Dehydration
- C. Stress
- D. All of the above
Correct Answer: D
Rationale: All D trigger crises, per document p53, .
Immediate priority for a 6-year-old with pneumonia is
- A. Nutrition
- B. Medication
- C. Reassurance
- D. Rest
Correct Answer: D
Rationale: Rest D reduces respiratory demand, per document p18, 4.
The best growth chart indicator in patients with acute malnutrition is:
- A. Body mass index (BMI)
- B. Body weight
- C. Weight-for-height
- D. Head circumference
Correct Answer: C
Rationale: Weight-for-height best detects acute malnutrition (wasting), per WHO. BMI is less specific in kids, and B-D assess other aspects.