Nokea
Biological causes of mild mental retardation includes all of the following except:
- A. Excessive fetal movements
- B. Maternal drug use
- C. Perinatal insults
- D. Sex chromosomal abnormalities
Correct Answer: A
Rationale: Excessive fetal movements aren’t a recognized cause of mild mental retardation; they’re nonspecific. B-E are established contributors (CDC).
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A 3-month-old infant presents with poor feeding and hypotonia. MRI shows periventricular leukomalacia. Most likely diagnosis is:
- A. Hypoxic-ischemic encephalopathy
- B. Congenital infection
- C. Metabolic disorder
- D. Trauma
Correct Answer: A
Rationale: HIE causes leukomalacia, per AAP. B-E differ.
A 3-year-old with a head injury should be monitored for
- A. Pupil response
- B. Breathing
- C. Consciousness
- D. All of the above
Correct Answer: D
Rationale: All D assess head injury, per document p47, 0.
Most common cause of Cushing syndrome in children is:
- A. Adrenal tumor
- B. Pituitary adenoma
- C. Exogenous steroids
- D. Ectopic ACTH syndrome
Correct Answer: C
Rationale: Exogenous steroids are the most common cause of Cushing syndrome in children, per AAP (doc p150, Q590).
A 5-year-old girl presents with hematuria and hypertension. Ultrasound shows a renal mass. Most likely diagnosis is:
- A. Nephrotic syndrome
- B. Wilms tumor
- C. Polycystic kidney disease
- D. Renal vein thrombosis
Correct Answer: B
Rationale: Wilms tumor presents with hematuria, hypertension, and a renal mass, per NCI. A, C-E have different features.
The most common site for temperature in a 2-year-old is
- A. Axillary
- B. Oral
- C. Rectal
- D. Temporal
Correct Answer: A
Rationale: Axillary A is safest for toddlers, per document p34, 4.