Complete Question Bank

HESI LPN · HESI LPN Pharmacology · HESI CNS Stimulants Drugs Pharmacology Quiz

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The drug of choice in the treatment of organophosphorus poisoning is

A. Neostigmine

B. Atropine

C. Pralidoxime

D. Acetylcholine

Expert Explanatory Rationale

Correct Answer: Atropine

Question 2 of 5

A 47-year-old man is given atropine to decrease dental secretions during a root canal procedure. This agent is most likely to have an effect on which of the following target organs/glands?

A. Adrenal medulla

B. Kidney

C. Pilomotor muscles

D. Salivary glands

Expert Explanatory Rationale

Correct Answer: Salivary glands

Question 3 of 5

A 49-year-old man with manic depression has been maintained on lithium for long-term therapy. However, because of worsening of symptoms, he is placed on ziprasidone. The patient must be warned about which of the following adverse effects?

A. Asthenia

B. Erectile dysfunction

C. Hypertension

D. Slowing of heart rate

Expert Explanatory Rationale

Correct Answer: Slowing of heart rate

Question 4 of 5

Which of the following local anesthetics is poorly water-soluble PABA derivative and primarily used for anorectal lesions, wounds, and ulcers?

A. Benzocaine

B. Dibucaine

C. Procaine

D. Benoxinate

Expert Explanatory Rationale

Correct Answer: Benzocaine

Question 5 of 5

Symptoms of acute morphine toxicity include:

A. Coma, pinpoint pupils and depressed respiration

B. Abdominal cramps, diarrhea and miosis

C. Hypertension & cardiac arrhythmias

D. Dry mouth and mydriasis

Expert Explanatory Rationale

Correct Answer: Coma, pinpoint pupils and depressed respiration

Ready to Guarantee Your Result?

Start Your HESI LPN Preparation Journey Today

Access over 300,000 verified practice questions, comprehensive subject diagnostic exams, and timed clinical simulations engineered for success.

Browse Other Nursing Exams