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HESI RN · HESI Pharmacology · ATI Pharmacology Across the Lifespan

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the following adrenomimetics activates beta adrenoreceptors only?

A. Epinephrine

B. Norepinephrine

C. Phenylephrine

D. Isoproterenol

Expert Explanatory Rationale

Correct Answer: Isoproterenol

Question 2 of 5

The patient asks if there is any other option besides antibiotics to treat acute otitis media. How will you respond?

A. Pain management is only necessary when antibiotics are prescribed

B. Antibiotics are the only way to cure otitis media

C. Pain management is reserved for those when the tympanic membrane is burst

D. Pain management is also part of the treatment plan for otitis media

Expert Explanatory Rationale

Correct Answer: Pain management is also part of the treatment plan for otitis media

Question 3 of 5

This drug group useful in angina increase myocardial oxygen delivery (by reversing coronary arterial spasm) and does not decrease myocardial oxygen requirement (by decreasing the determinations of oxygen demand):

A. Beta-adrenoceptor-blocking drugs (Atenolol, Metoprolol)

B. Myotropic coronary dilators (Dipyridamole)

C. Calcium channel blockers (Nifedipine, Nimodipine)

D. Potassium channel openers (Minoxidil)

Expert Explanatory Rationale

Correct Answer: Myotropic coronary dilators (Dipyridamole)

Question 4 of 5

A nurse is preparing to give an antibiotic to a patient who reports being allergic to antibiotics. Before giving the medication, what will the nurse do first?

A. Ask whether the patient has taken this antibiotic for other infections

B. Question the patient about allergies to other medications

C. Request an order for a lower dose of the antibiotic

D. Request an order for an antihistamine

Expert Explanatory Rationale

Correct Answer: Ask whether the patient has taken this antibiotic for other infections

Question 5 of 5

All of the following statements regarding diuretics are true, EXCEPT:

A. Carbonic anhydrase inhibition leads to increased reabsorption of NaHCO3

B. Loop diuretics decrease Na+ reabsorption at the loop of Henle by competing for the Cl- site on the Na+/K+/2Cl- cotransporter

C. In general, the potency of a diuretic is determined by where it acts in the renal tubule

D. Hydrochlorothiazide decreases urinary calcium excretion

Expert Explanatory Rationale

Correct Answer: Carbonic anhydrase inhibition leads to increased reabsorption of NaHCO3

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