Which of the following drugs most likely caused the patient's signs and symptoms?

Correct Answer: D

Rationale: The correct answer is D: Amphetamine. The signs and symptoms described are consistent with amphetamine use, including increased heart rate, agitation, and dilated pupils. Cocaine can cause similar symptoms but typically leads to a shorter duration of effects compared to amphetamines. Marijuana and LSD are less likely to cause the specific signs and symptoms mentioned. Amphetamine's stimulant properties align with the patient's presentation, making it the most likely culprit.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.