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HESI LPN · HESI LPN Pharmacology · HESI Basic Principles of Pharmacology Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

All drugs continue to act in the body until they are changed or excreted. The ability of the body to excrete drugs via the renal system would be increased by:

A. Reduced circulation and perfusion of the kidney

B. Chronic renal disease

C. Competition for a transport site by another drug

D. Unbinding a nonvolatile drug from plasma proteins

Expert Explanatory Rationale

Correct Answer: Unbinding a nonvolatile drug from plasma proteins

Question 2 of 5

Sympathetic and parasympathetic preganglionic neurons are cholinergic. What neurotransmitter do they release at the synapse in the ganglion?

A. Dopamine

B. Serotonin

C. GABA

D. Acetylcholine

Expert Explanatory Rationale

Correct Answer: Acetylcholine

Question 3 of 5

Where would the procedures and treatments directed by the healthcare provider be found?

A. Summary sheet

B. Physician's order form

C. Physician's progress notes

D. History and physical examination form

Expert Explanatory Rationale

Correct Answer: Physician's order form

Question 4 of 5

When a drug has affinity for a receptor and produces no effect, it is called a(n)

A. agonist.

B. competitive antagonist.

C. competitive agonist.

D. physiologic agonist.

Expert Explanatory Rationale

Correct Answer: competitive antagonist.

Question 5 of 5

Which of the following conditions most likely delayed the oral absorption of acetaminophen in the patient who took a large dose in aqueous solution?

A. A moderate increase in intestinal peristalsis

B. The presence of strong pain

C. The administration of the drug in aqueous solution

D. A large volume of distribution of the drug

Expert Explanatory Rationale

Correct Answer: The presence of strong pain

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