The nurse is reviewing medication prescriptions.
Which is an appropriate dosage and frequency of cimetidine?
800 mg PO at bedtime.
150 mg PO b.i.d.
20 mg PO b.i.d.
300 mg PO at bedtime.
The Correct Answer is A
800 mg PO at bedtime is an appropriate dosage and frequency of cimetidine for the treatment of gastric ulcer. Cimetidine is a histamine H antagonist that reduces the secretion of gastric acid.
Choice B is wrong because 150 mg PO b.i.d. is too low of a dose for cimetidine. The usual adult dose for duodenal ulcer is 800 mg PO once a day at bedtime or 300 mg PO four times a day.
Choice C is wrong because 20 mg PO b.i.d. is not a valid dose for cimetidine.
The lowest available tablet strength is 100 mg.
Choice D is wrong because 300 mg PO at bedtime is also too low of a dose for cimetidine.
The usual adult dose for gastric ulcer is 800 mg PO once a day at bedtime or 300 mg PO four times a day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
This is because somatropin is a growth hormone that can cause slipped capital femoral epiphysis, a condition where the head of the femur slips off the neck of the bone and causes severe pain and disability. The prescriber should be notified immediately if this occurs.
Choice B is wrong because upper respiratory infection lasting more than 6 days is not a serious adverse effect of somatropin and does not require immediate attention from the prescriber.
Choice C is wrong because dry skin accompanied by pruritus is not a common or serious side effect of somatropin and may be due to other causes.
Choice D is wrong because nosebleeds are not a common or serious side effect of somatropin and may be due to other causes.
Normal ranges for growth hormone levels are 0.4 to 10 ng/mL for males and 1 to 14 ng/mL for females.
Correct Answer is C
Explanation
This statement indicates that the patient understands the common side effect of codeine and how to prevent accidents while taking it.
Choice A is wrong because the patient should not take the medication anytime he starts to cough, but only as prescribed by the doctor.
Taking too much codeine can lead to overdose, addiction, or respiratory depression.
Choice B is wrong because this medication may not make the patient anxious and nervous, but rather sedated and relaxed.
Anxiety and nervousness are more likely to occur with decongestants, which are stimulants.
Choice D is wrong because diarrhea is not a common side effect of codeine.
In fact, codeine may cause constipation, so the patient should increase fluid and fiber intake while taking it.
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