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
...
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 ✔✔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.)
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 ✔✔Answer:
C, E(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)
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.
D. Drop the medication into the center of the client's conjunctival sac.
E. Instruct the client to close her eye gently after instillation ✔✔b, d, e
(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 p
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