A 10-year-old child has intermittent symptoms of mild asthma... Which treatment option is most appropriate?

Correct Answer: D

Rationale: Inhaled β₂-agonists are recommended for intermittent asthma symptoms as needed for relief.

Correct Answer: C

Rationale: Pseudoephedrine is a nasal decongestant that relieves congestion by vasoconstriction.

Correct Answer: B

Rationale: Chest compressions in pediatric basic life support should be delivered with extended elbows for effective force generation.

Correct Answer: C

Rationale: Absence of a central pulse (carotid or femoral) confirms cardiac arrest. Peripheral pulses may be weak in shock, but loss of a central pulse requires immediate resuscitation efforts.

Correct Answer: B

Rationale: Gastroschisis is a congenital defect where the intestines protrude through the abdominal wall without a covering sac, increasing the risk of infection and dehydration. It requires surgical repair soon after birth.