The nurse is interviewing the father of 10-month-old Megan. She is playing on the floor when she notices an electric outlet and reaches up to touch it. Her father says no firmly and removes her from near the outlet. The nurse should use this opportunity to teach the father that Megan:

Correct Answer: A

Rationale: By age 10 months, children are able to associate meaning with words. In this scenario, Megan is old enough to understand the word "no" and the father's use of verbal and physical cues to alert her to dangerous situations is appropriate and effective.

Correct Answer: C

Rationale: Hyperventilation compensates for metabolic acidosis by reducing COâ‚‚, which helps balance pH when bicarbonate is lost.

Correct Answer: A

Rationale: Regular use of moisturizers is essential for maintaining skin hydration and barrier function.

Correct Answer: A

Rationale: Drug reactions, particularly hypersensitivity reactions, can cause extreme eosinophilia as part of a systemic immune response.

Correct Answer: D

Rationale: In hypertonic dehydration, relative intravascular volume preservation delays shock onset despite severe dehydration.