All the following mechanisms contribute to the pathophysiology of drowning EXCEPT:

Correct Answer: C

Rationale: Circulatory overload is not a contributing factor to drowning pathophysiology. Laryngospasm, surfactant washout, anoxic injury, and pulmonary aspiration are all critical mechanisms involved.

Correct Answer: D

Rationale: Cardiogenic shock is more common in later stages of KD.

Correct Answer: C

Rationale: The recommended rate for chest compressions in infants during CPR is at least 100-120 per minute to maintain adequate perfusion.

Correct Answer: A

Rationale: The correct answer is A because the bones surrounding the posterior fontanel typically fuse and close by age 6 to 8 weeks. This closure is a normal part of infant development.

Correct Answer: B

Rationale: Somatoform disorders involve physical symptoms without a clear medical explanation. Asthma has a clear physiological basis and is not considered a somatoform disorder.