RN PHARMACOLOGY LATEST EXAM
2025/2026 QUESTIONS AND ANSWERS
100% PASS
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?
A. One
B. Two
C. Three
D. Four - ANS 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 - ANS Answer:
C. Liver failure decreases metabolism and thus increases the concentration of a medication.
This requires decreasing the dosage.
E. When the same pathway metabolizes two medications, they compete for metabolism,
thereby increasing the concentration of one or both medications. This requires 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 at the ceiling.
C.Tell the client to blink when the drops enter her eye.
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,D.Drop the medication
into the center of the
client's conjunctival sac.
E.Instruct the client to close her eye gently after instillation - ANS 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 distribution.
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."
B."I will rotate the application sites weekly."
C."I will apply the patch to an area of skin with no hair."
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, D."I will place the new patch on the site of the old patch. - ANS 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?
A.Obtain a blood specimen
immediately prior to
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 next dose of medication.
D.Administer the medication,and obtain a blood specimen 30 min late - ANS A. To verify
trough levels of a medication, the
nurse should obtain a blood specimen immediately
before administering the next dose of medication.
A nurse is preparing a client's medications. Which of the following actions should the nurse take
in following legal practice
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
2025/2026 QUESTIONS AND ANSWERS
100% PASS
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?
A. One
B. Two
C. Three
D. Four - ANS 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.)
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,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 - ANS Answer:
C. Liver failure decreases metabolism and thus increases the concentration of a medication.
This requires decreasing the dosage.
E. When the same pathway metabolizes two medications, they compete for metabolism,
thereby increasing the concentration of one or both medications. This requires 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 at the ceiling.
C.Tell the client to blink when the drops enter her eye.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,D.Drop the medication
into the center of the
client's conjunctival sac.
E.Instruct the client to close her eye gently after instillation - ANS 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 distribution.
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."
B."I will rotate the application sites weekly."
C."I will apply the patch to an area of skin with no hair."
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, D."I will place the new patch on the site of the old patch. - ANS 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?
A.Obtain a blood specimen
immediately prior to
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 next dose of medication.
D.Administer the medication,and obtain a blood specimen 30 min late - ANS A. To verify
trough levels of a medication, the
nurse should obtain a blood specimen immediately
before administering the next dose of medication.
A nurse is preparing a client's medications. Which of the following actions should the nurse take
in following legal practice
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
