1. Which of the following is the most common cause of cardiac arrest in

pediatric patients?

A. Hypovolemia

B. Respiratory failure

C. Electrical abnormalities

D. Sepsis

Answer: C. Electrical abnormalities

Rationale: In pediatric patients, electrical abnormalities such as ventricular

fibrillation and pulseless ventricular tachycardia are the most common

cause of cardiac arrest.

2. Which of the following is a characteristic feature of shock in pediatric

patients?

A. Hypotension

B. Bradycardia

C. Low urine output

D. High blood pressure

Answer: C. Low urine output

Rationale: Low urine output is a characteristic feature of shock in

pediatric patients, indicating poor perfusion to the kidneys.

3. Which of the following types of shock is characterized by a sudden

decrease in intravascular volume?

A. Distributive shock

B. Cardiogenic shock

C. Hypovolemic shock

D. Obstructive shock

Answer: C. Hypovolemic shock