Correct Answer: A

Rationale: Older adults on multiple medications are at higher risk for drug interactions, making polypharmacy a key concern.

Correct Answer: C

Rationale: Retinoblastoma is the most common intraocular tumor in young children.

Correct Answer: A

Rationale: Violent behavior includes physical or psychological harm, and collective violence has specific political or social goals.

Correct Answer: C

Rationale: Estrogen therapy is typically recommended for short-term use due to mixed safety research.

Correct Answer: C

Rationale: Ascending paralysis is a hallmark sign of botulism, a potential bioterrorism event.