Austin, age 6 months, has six teeth. The nurse should recognize that this is which of the following?

Correct Answer: D

Rationale: Having six teeth at 6 months of age is earlier than expected, as most infants typically have two teeth at this age.

Correct Answer: A

Rationale: A sunken fontanel is a classic sign of severe dehydration in infants, indicating significant fluid loss and the need for immediate hydration.

Correct Answer: A

Rationale: Acute epiglottitis presents with high fever, drooling, and airway obstruction, often requiring emergency care.

Correct Answer: B

Rationale: Elevating the head of the bed to 30 degrees helps reduce the risk of aspiration and VAP by minimizing reflux, which is a common cause of infection in ventilated patients.

Correct Answer: D

Rationale: Major depression includes core symptoms like weight changes, sleep disturbances, and dysphoric mood. All listed options are possible features of the disorder.