PHARMACOLOGY
MODULE 7 EXAM
Actual Questions with Answers
Portage Learning
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, 7.1 What type of gastric acid is released by the parietal cells?
Correct Answer:
Hydrochloric acid / HCl
7.2 Select the substance below that is a major stimulator for the release of gastric
juices.
A. Acetylcholine
B. HCl
C. Substance P
D. Serotonin
Correct Answer:
A. Acetylcholine
Rationale:
Acetylcholine stimulates gastric secretion by acting on receptors involved in the release
of gastric juices. HCl is the acid product released, not the main stimulator.
7.3 Describe the role of gastrin in the release of gastric acid.
Correct Answer:
Gastrin binds to receptors on enterochromaffin-like cells and parietal cells, which
stimulates histamine release and promotes hydrochloric acid secretion.
7.4 Name the type of bacteria that is the primary cause of peptic ulcers.
Correct Answer:
Helicobacter pylori / H. pylori