RN Pharmacology Latest Actual Exam Comprehensive Questions (Frequently Tested) and Complete Solutions Graded A+

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RN Pharmacology LATEST 2026\2027
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ACTUAL
EXAM 242 QUESTIONS AND ANSWERS
WITH RATIONALES (VERIFIED
ANSWERS) ALREADY GRADED A+

A provider prescribes phenobarbital for a client who has a seizure disorder. The
medication has a long half-life of 4 days. How many times per day should the nurse
expect to administer this medication?
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A. One
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B. Two




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C. Three



D. Four - CORRECT ANSWER A. Medications with long half-lives remain at their
therapeutic levels between doses for long periods of time. The nurse should expect to
administer this medication once a day.



A staff educator is reviewing medication dosages and factors that influence medication
metabolism with a group of nurses at an in-service presentation. Which of the following
factors should the educator include as a reason to administer lower medication
dosages? (Select all that apply.)
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A. Increased renal secretion

B. Increased medication-metabolizing enzymes



C. Liver failure



D. Peripheral vascular disease



E. Concurrent use of medication the same pathway metabolizes - CORRECT ANSWER

C. Liver failure decreases metabolism and thus increases the concentration of a
medication. This requires decreasing the dosage.
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E. When the same pathway metabolizes two medications, they compete for metabolism,
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thereby increasing the concentration of one or both medications. This requires




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decreasing the dosage of one or both medications.



A nurse is preparing to administer

eye drops to a client. Which of the

following actions should the

nurse take? (Select all that apply.)



A.have the client lie on her side.



B.Ask the client to look up
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at the ceiling.
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C.Tell the client to blink when the drops enter her eye.



D.Drop the medication into

the center of the client's

conjunctival sac.



E.Instruct the client to close her eye gently after instillation - CORRECT ANSWER
B. The client should look upward to keep the drops from falling onto her cornea.

D. The nurse should drop the medication into

the center of the conjunctival sac to promote
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distribution.
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E. The client should close her eye gently to

promote distribution of the medication



A nurse is completing discharge teaching for a client who has a new prescription for
transdermal patches. Which of the following statements should the nurse identify
as an indication that the client understands the instructions?



A."I will clean the site with an

alcohol swab before

I apply the patch."
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B."I will rotate the application sites weekly."

C."I will apply the patch to an area of skin with no hair."



D."I will place the new patch on the site of the old patch. - CORRECT ANSWER C. The
client should apply the patch to a hairless area of skin to promote absorption of the
medication.



A nurse reviewing a client's medical record notes a new prescription for verifying the

trough level of the client's medication. Which of the following actions should the

nurse take?
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A.Obtain a blood specimen
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immediately prior to




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administering the next dose

of medication.



B.Verify that the client has

been taking the medication

for 24 hr before obtaining a

blood specimen.



C.Ask the client to pr ovide a urine specimen after the
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next dose of medication.
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