Seizures beginning in the delivery room or shortly thereafter may be due to

Correct Answer: A

Rationale: Hypoxic-ischemic encephalopathy is a common cause of seizures in newborns, especially those occurring shortly after birth. The other causes are possible but less common.

Correct Answer: C

Rationale: Early septic shock causes distributive shock due to widespread vasodilation and increased capillary permeability, leading to low systemic vascular resistance.

Correct Answer: A

Rationale: Oral food challenges are the gold standard for diagnosing food allergies.

Correct Answer: A

Rationale: Hypoxic-ischemic encephalopathy is a common cause of seizures in newborns, especially those occurring shortly after birth. The other causes are possible but less common.

Correct Answer: D

Rationale: In the uncompensated stage of shock, microvascular perfusion becomes marginal, leading to tissue hypoxia and metabolic acidosis.