Early introduction of all the following decreases the risk of asthma and allergic rhinitis EXCEPT

Correct Answer: A

Rationale: Early introduction of fish, eggs, meat, and wheat has been shown to decrease allergy risks. However, rye has not been found to provide a protective effect and may sometimes contribute to allergic responses.

Correct Answer: C

Rationale: Renal tubular acidosis causes normal anion gap metabolic acidosis, not high anion gap metabolic acidosis.

Correct Answer: B

Rationale: Cephalohematoma does not extend across suture lines due to the periosteal attachment. The other statements are true regarding cephalohematoma.

Correct Answer: B

Rationale: Physiologic jaundice typically appears between and 7 hours after birth and increases by less than 5 mg/dL per day in the first few days

Correct Answer: B

Rationale: Anaphylactoid purpura (Henoch-Schanlein purpura) is the most common cause of non-thrombocytopenic purpura in children, characterized by a small-vessel vasculitis leading to purpuric rash, arthritis, and renal involvement.