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Pharm II W1

Histamineâ‚‚Blocker Therapy

QuestionAnswer
Which conditions are histamine2 blockers used to treat? Gastric ulcer, Duodenal ulcer, Gastroesophageal reflux disease
Which statement regarding the pharmacodynamics of cimetidine is accurate? The elimination half-life of cimetidine is 1.5 to 2 hours.
Which statement regarding the pharmacokinetics of ranitidine is accurate? The drug undergoes hepatic metabolism.
Which instructions would the nurse provide Mr. Evans about when to take the prescribed ranitidine? Take it at bedtime, or after evening meal.
Before administering cimetidine to a 27-year-old female patient, which patient parameters would a nurse ensure have been assessed? Hepatic function, Renal function, Pregnancy status, Fluid and electrolyte status
Which respiratory complication associated with cimetidine is a concern, as the drug increases gastric pH? Pneumonia
Which effect would a nurse anticipate may occur if a patient taking phenytoin is given cimetidine? Increased effect of phenytoin
With which medical condition would a nurse expect the health care provider to reduce the dosage of ranitidine due to potential accumulation of the drug? Kidney disease
Which outcome is anticipated as a result of histamine2 receptor blockers obstructing histamine2 receptors in the parietal cells in the stomach? Decrease in hydrogen ions and gastric acid
Which comparison between cimetidine and ranitidine is accurate? Ranitidine is more potent than cimetidine.
Which patients would a nurse determine will likely receive a dosage reduction in cimetidine for gastroesophageal reflux disease? A 71-year-old patient with hypertension A 58-year-old patient with chronic kidney disease
Which patients would a nurse recommend against use of ranitidine? A patient who is breastfeeding A patient who is in her second trimester of pregnancy
Which effect would a nurse anticipate may occur if a patient with warfarin is given cimetidine? Increased anticoagulant effect
Which teaching point will a nurse share with a 63-year-old male patient who has been prescribed ranitidine for gastroesophageal reflux disease (GERD)? Ranitidine should be separated from any other drugs the patient may be taking by at least 1 hour
Which monitoring parameters would a nurse ensure are evaluated when a 73-year-old patient who is newly prescribed cimetidine returns for a follow-up? Lung sounds Liver function Renal function Mental status change
Created by: lshanti88
 

 



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