Pharmacology Made Easy 5.0 The
Gastrointestinal System Test Questions and
Correct Answers
Question 1
A nurse is teaching a client who has a new prescription for sulfasalazine. Which of the
following statements should the nurse make?
"Use sunscreen and protective clothing while taking sulfasalazine to prevent
sunburn."
"The medication can stain your contact lenses green."
"The medication can color your urine dark brown."
"Take an iron supplement when you take
Correct Answer
"Use sunscreen and protective clothing while taking sulfasalazine to prevent
sunburn."
Photosensitivity is a possible adverse effect of sulfasalazine that makes the skin
sensitive to light. The nurse should instruct the client to wear sunscreen and
protective clothing when outdoors to prevent burning.
Page 1 of 14
, Question 2
A nurse is caring for a client who has a new prescription for alosetron to treat irritable
bowel syndrome. The nurse should instruct the client to report which of the following
adverse effects of the medication?
Headache
Drowsiness
Abdominal pain
Sore throat
Correct Answer
Abdominal pain
Alosetron, a serotonin 5-HT3 receptor antagonist, can cause ischemic colitis. The
nurse should tell the client to report abdominal pain, bloody diarrhea, or rectal
bleeding, and to stop taking the medication if these manifestations occur.
Question 3
A nurse is caring for a client who is taking phenytoin for a seizure disorder and has a
new prescription for sucralfate to treat a duodenal ulcer. The nurse should instruct the
client to take the medications at least 2 hr apart for which of the following reasons?
Phenytoin increases the metabolism of sucralfate.
Phenytoin reduces the effectiveness of sucralfate.
Sucralfate increases the risk for phenytoin toxicity.
Sucralfate interferes with the absorption of
Correct Answer
Sucralfate interferes with the absorption of phenytoin.
Sucralfate decreases the absorption of phenytoin. The nurse should instruct the
client to allow at least 2 hr between taking the two medications and should monitor
the client's phenytoin levels.
Page 2 of 14
Gastrointestinal System Test Questions and
Correct Answers
Question 1
A nurse is teaching a client who has a new prescription for sulfasalazine. Which of the
following statements should the nurse make?
"Use sunscreen and protective clothing while taking sulfasalazine to prevent
sunburn."
"The medication can stain your contact lenses green."
"The medication can color your urine dark brown."
"Take an iron supplement when you take
Correct Answer
"Use sunscreen and protective clothing while taking sulfasalazine to prevent
sunburn."
Photosensitivity is a possible adverse effect of sulfasalazine that makes the skin
sensitive to light. The nurse should instruct the client to wear sunscreen and
protective clothing when outdoors to prevent burning.
Page 1 of 14
, Question 2
A nurse is caring for a client who has a new prescription for alosetron to treat irritable
bowel syndrome. The nurse should instruct the client to report which of the following
adverse effects of the medication?
Headache
Drowsiness
Abdominal pain
Sore throat
Correct Answer
Abdominal pain
Alosetron, a serotonin 5-HT3 receptor antagonist, can cause ischemic colitis. The
nurse should tell the client to report abdominal pain, bloody diarrhea, or rectal
bleeding, and to stop taking the medication if these manifestations occur.
Question 3
A nurse is caring for a client who is taking phenytoin for a seizure disorder and has a
new prescription for sucralfate to treat a duodenal ulcer. The nurse should instruct the
client to take the medications at least 2 hr apart for which of the following reasons?
Phenytoin increases the metabolism of sucralfate.
Phenytoin reduces the effectiveness of sucralfate.
Sucralfate increases the risk for phenytoin toxicity.
Sucralfate interferes with the absorption of
Correct Answer
Sucralfate interferes with the absorption of phenytoin.
Sucralfate decreases the absorption of phenytoin. The nurse should instruct the
client to allow at least 2 hr between taking the two medications and should monitor
the client's phenytoin levels.
Page 2 of 14
