Complete Question Bank

HESI LPN · HESI LPN Pharmacology · HESI Cardiovascular Drugs Quiz

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Dopamine in high doses influences mainly the:

A. Alfa-adrenoreceptors (leads to peripheral vasoconstriction)

B. DopamineÃ¢â‚¬â„¢s receptors (leads to vasodilation of renal and mesenterial vessels)

C. Beta-1 adrenoreceptors (leads to enhancing of cardiac output)

D. All of the above

Expert Explanatory Rationale

Correct Answer: Alfa-adrenoreceptors (leads to peripheral vasoconstriction)

Question 2 of 5

A medical student is involved in a summer research project involving the use of varying doses of dopamine on vascular perfusion of various organs. Three doses of dopamine will be used: low, medium, and high. If a high dose of dopamine were infused into an animal model, which of the following effects would be noticed?

A. Increase in blood pressure

B. Increase in heart perfusion

C. Increase in heart stroke volume

D. Increase in renal blood flow

Expert Explanatory Rationale

Correct Answer: Increase in blood pressure

Question 3 of 5

The nurse is counseling a woman who will be starting rifampin (Rifadin) as part of antitubercular therapy. The patient is currently taking oral contraceptives. Which statement is true regarding rifampin therapy for this patient?

A. Women have a high risk for thrombophlebitis while on this drug.

B. A higher dose of rifampin will be necessary because of the contraceptive.

C. Oral contraceptives are less effective while the patient is taking rifampin.

D. The incidence of adverse effects is greater if the two drugs are taken together.

Expert Explanatory Rationale

Correct Answer: Oral contraceptives are less effective while the patient is taking rifampin.

Question 4 of 5

Glucocorticoids are hormonal steroids:

A. Having an important effect on intermediary metabolism, cardiovascular function, growth, and immunity

B. Having principally salt-retaining activity

C. Having androgenic or estrogenic activity

D. All of the above

Expert Explanatory Rationale

Correct Answer: All of the above

Question 5 of 5

Which of the clientÃ¢â‚¬â„¢s neurotransmitters should a nurse expect to be elevated?

A. Serotonin

B. Dopamine

C. Gamma-aminobutyric acid (GABA)

D. Histamine

Expert Explanatory Rationale

Correct Answer: Dopamine

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