All of the following are problems of an infant of a diabetic mother (class B) EXCEPT

Correct Answer: C

Rationale: Intrauterine growth retardation is uncommon in infants of diabetic mothers

Correct Answer: C

Rationale: Rapid, deep breathing (Kussmaul breathing) is typically associated with diabetic ketoacidosis, renal tubular acidosis, and CNS stimulants. Heart failure typically causes shallow, labored breathing, not deep breathing without distress.

Correct Answer: A

Rationale: First-generation antihistamines cross the blood-brain barrier and commonly cause sedation.

Correct Answer: D

Rationale: Sodium is primarily distributed in extracellular fluid, with a volume of distribution of about 0.6 times total body weight, including interstitial and intravascular compartments.

Correct Answer: C

Rationale: Approximately 30-50% of childhood asthma cases persist into adulthood, depending on factors such as severity, atopy, and environmental exposures.