One of the following is an early sign of shock:

Correct Answer: B

Rationale: Irritability is an early sign of shock due to hypoperfusion before hypotension or organ failure develops.

Correct Answer: C

Rationale: Severe coarctation of the aorta leads to left ventricular overload and heart failure in neonates. It presents with weak femoral pulses, differential blood pressure, and signs of poor perfusion.

Correct Answer: B

Rationale: Sulfonamides are associated with drug-induced lupus, which presents with cutaneous manifestations.

Correct Answer: A

Rationale: When selecting a daycare facility for an infant, it is crucial to consider the health practices of the facility to ensure proper hygiene and safety measures are in place.

Correct Answer: C

Rationale: In CHF, the liver is typically tender and pulsatile due to venous congestion. A firm, non-tender liver is more indicative of chronic liver disease rather than acute heart failure.