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HESI LPN · HESI LPN Pharmacology · HESI Central and Peripheral Nervous System Drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Belladonna poisoning is best treated with

A. Neostigmine

B. Physostigmine

C. Acetylcholine

D. Adrenaline

Expert Explanatory Rationale

Correct Answer: Physostigmine

Question 2 of 5

Which one of the following is characteristic of captopril and enalapril ?

A. Competitively blocks angiotensin II at its receptor

B. Decreases angiotensin II concentration in the blood

C. Decreases renin concentration in the blood

D. Increases sodium and decreases potassium in the blood

Expert Explanatory Rationale

Correct Answer: Decreases angiotensin II concentration in the blood

Question 3 of 5

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is

A. Ephedrine

B. Dopamine

C. Isoprenaline

D. Tyramine

Expert Explanatory Rationale

Correct Answer: Tyramine

Question 4 of 5

A 54-year-old woman suffering from initial insomnia was prescribed a hypnotic drug that increases the activity of a major neurotransmitter system in the brain. Which neurotransmitter system was most likely involved in the therapeutic action of that drug?

A. Cholinergic

B. Noradrenergic

C. Glutamatergic

D. GABAergic

Expert Explanatory Rationale

Correct Answer: GABAergic

Question 5 of 5

A practical test to differentiate between myasthenia crisis and cholinergic crisis is by injecting the patient:

A. Neostigmine

B. Hyoscine

C. Edrophonium

D. Succinylcholine

Expert Explanatory Rationale

Correct Answer: Edrophonium

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