ATI RN
Peripheral Nervous System Drugs Questions
Question 1 of 5
The neurotransmitter released at the end of most sympathetic nerve fibers is:
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
If farmers exposed to 'insecticides' ('irreversible' cholinesterase inhibitors) are given medical kits that contain atropine. Which one of the following effects of the cholinesterase inhibitor will NOT be blocked by the atropine?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
There are two simple ways to lower blood pressure: (1) reduce the cardiac contractility, and (2) inhibit sympathetic-mediated vasoconstriction. Which one of the following drugs can lower blood pressure by both mechanisms?
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 4 of 5
Verapamil is a drug used for treating hypertension. It should be used with caution with other drugs that can depress heart rate or contractility. Which drug, if given with verapamil, might therefore cause the greatest risk of depressing heart rate, contractile force or impulse conduction?
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
Which of the following descriptions best fits the drug phenylephrine?
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.