Which of the following is a hallmark feature of polymyalgia rheumatica?

Correct Answer: A

Rationale: Polymyalgia rheumatica is characterized by shoulder and hip pain, often accompanied by stiffness.

Correct Answer: B

Rationale: The steeple sign, seen on X-ray, is a hallmark of viral croup, indicating subglottic airway narrowing.

Correct Answer: B

Rationale: Intubation is indicated in neonates when there is inadequate oxygenation despite supplemental oxygen, as it may be necessary to provide more effective ventilation and support for gas exchange.

Correct Answer: C

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

Correct Answer: B

Rationale: Mosquitoes are not a common cause of insect sting anaphylaxis, unlike honeybees, yellow jackets, wasps, and fire ants.