Heimlich maneuver is:

Correct Answer: C

Rationale: The Heimlich maneuver involves epigastric compression to expel airway obstructions.

Correct Answer: C

Rationale: Iron deficiency anemia is microcytic and hypochromic, not normocytic normochromic, which is seen in conditions like hemorrhage and bone marrow failure.

Correct Answer: B

Rationale: Endotracheal intubation provides the most secure airway control in an arrested child, ensuring effective ventilation and preventing aspiration.

Correct Answer: B

Rationale: Exhaled nitric oxide analysis directly measures airway inflammation, making it a useful tool in asthma management.

Correct Answer: D

Rationale: While antihistamines, hypoparathyroidism, and prolonged school absences can cause anxiety, carbonated beverages do not directly lead to anxiety in children.