HESI PN PHARMACOLOGY RETAKE EXAM ALL
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES |ALREADY GRADED A+
Cephalexin monohydrate (Keflex) .....ANSWER.....An antibiotic
prescribed for clients with postoperative infections, requiring
assessment for penicillin allergy due to cross-allergy risks.
Cytosine arabinoside (Arc-C) .....ANSWER.....An antimetabolite
used in chemotherapy that can cause stomatitis and mucosal
ulcerations as signs of toxicity.
Acetaminophen (Tylenol) overdose assessment
.....ANSWER.....Most important to assess for pain in the flank
area.
Naproxen dosing frequency .....ANSWER.....Typically prescribed
every 8 hours, with a peak effect occurring in one to two hours.
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Oral metronidazole (Flagyl) instructions .....ANSWER.....The nurse
should instruct the client to increase fluid intake, avoid drinking
alcohol, use condoms until treatment is completed, and ensure all
sexual partners are treated.
Cross-allergy .....ANSWER.....A phenomenon where an allergy to
one drug (e.g., penicillins) may indicate an allergy to another
related drug (e.g., cephalosporins).
Antimetabolite toxicity signs .....ANSWER.....Key signs include
stomatitis and mucosal ulcerations.
Nonsteroidal anti-inflammatory drugs (NSAIDs) response
.....ANSWER.....Individual responses to NSAIDs are variable, and
alternative medications may be indicated if effectiveness is not
achieved.
Hydration before chemotherapy .....ANSWER.....It is important to
hydrate the client with IV fluids before and after the infusion of
cytosine arabinoside.