A histamine receptor antagonist such as cimetidine (Tagamet)or ranitidine (Zantac)is ordered for an infant with gastroesophageal reflux.The purpose of this is to:
A)Prevent reflux.
B)Prevent hematemesis.
C)Reduce gastric acid production.
D)Increase gastric acid production.

Question

Quizplus · Accepted Answer

The mechanism of action of histamine receptor antagonists is to reduce the amount of acid present in gastric contents and may prevent esophagitis.Preventing reflux and hematemesis and increasing gastric acid production are not the modes of action of histamine receptor antagonists.

A Histamine Receptor Antagonist Such as Cimetidine (Tagamet)or Ranitidine (Zantac)is