During cardiopulmonary resuscitation of an infant, how should chest compressions be performed?

Correct Answer: D

Rationale: Chest compressions in infants are done using 2 fingers in the center of the chest, ensuring adequate depth and avoiding excessive pressure on fragile ribs.

Correct Answer: D

Rationale: Sepsis causes distributive shock by inducing vasodilation and capillary leakage, leading to hypoperfusion despite adequate blood volume.

Correct Answer: A

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

Correct Answer: B

Rationale: Medullary relapse, or recurrence of leukemia in the bone marrow, is the most common form of relapse in acute leukemia, requiring additional chemotherapy.

Correct Answer: C

Rationale: Congenital pneumonia with sepsis is likely given the low WBC count, prematurity, and need for ventilation