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HESI LPN · HESI LPN Pharmacology · HESI Cardiovascular Drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A 55-year-old man complains of poor urinary flow and nocturia. He is found to suffer from benign prostatic hyperplasia. The physician prescribes prazosin to help his symptoms. How does prazosin work?

A. Relaxes prostatic smooth muscle
B. Blocks DHT synthesis
C. Inhibits 5-α-reductase
D. Inhibits testosterone synthesis

Expert Explanatory Rationale

Correct Answer: Relaxes prostatic smooth muscle

Question 2 of 5

Increased serum levels of which of the following may be associated with a decreased risk of atherosclerosis?

A. Very low-density lipoproteins (VLDL)
B. Low-density lipoproteins (LDL)
C. Intermediate - density lipoproteins (IDL)
D. High-density lipoproteins (HDL)

Expert Explanatory Rationale

Correct Answer: High-density lipoproteins (HDL)

Question 3 of 5

After receiving a nebulizer treatment with a beta agonist, the patient complains of feeling slightly nervous and wonders if her asthma is getting worse. What is the nurse’s best response?

A. “This is an expected adverse effect. Let me take your pulse.”
B. “The next scheduled nebulizer treatment will be skipped.”
C. “I will notify the physician about this adverse effect.”
D. “We will hold the treatment for 24 hours.”

Expert Explanatory Rationale

Correct Answer: “This is an expected adverse effect. Let me take your pulse.”

Question 4 of 5

The non-glycoside positive inotropic drug is:

A. Digoxin
B. Strophantin K
C. Dobutamine
D. Digitoxin

Expert Explanatory Rationale

Correct Answer: Dobutamine

Question 5 of 5

Main contraindications of estrogens’ therapy include the following:

A. Estrogen-dependent neoplasmas such as carcinoma of the endometrium or carcinoma of the breast
B. Undiagnosed genital bleeding
C. Liver disease
D. All of the above

Expert Explanatory Rationale

Correct Answer: All of the above

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