Action mechanism of alkylating agents is:

Correct Answer: B

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

Correct Answer: C

Rationale: Labetalol is a non-selective beta blocker with alpha-blocking properties that also activates dopamine D receptors. This action helps to reduce blood pressure by decreasing peripheral vascular resistance. Furosemide is a loop diuretic, Hydralazine is a direct vasodilator, and Losartan is an angiotensin II receptor antagonist, none of which directly activate dopamine D receptors.

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.