Pharmacology (GI tract) Flashcards
______ secrete somatostatin and are closely associated with parietal cells.
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
B. D cells
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
________ secrete gastrin and are deep within gastric glands.
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
D. G cells
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
_______ secrete pepsinogen and are activated by an acidic environment.
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
A. Chief cells
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
Which of the following secrete histamine?
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
C. Enterochromaffin-like
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
Which of the following provides a physical and chemical border that prevents autodigestion?
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
E. Mucus cells
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
Which of the following makes the lumen of stomach 2.5 million times more acidic by secreted gastric acid?
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. Parietal cells
E. Mucus cells
D. Parietal cells
Chief cells = secrete pepsinogen
D cells = secrete somatostatin
Enterochromaffin-like = secrete histamin
G cells = secrete gastrin
Parietal cells = secrete gastric acid
Mucus cells = secrete mucus and HCO3-
Which of the following releases somatostatin and creates negative feedback to inhibit gastric acid, gastrin and pepsinogen secretion?
A. Chief cells
B. D cells
C. Enterochromaffin-like
D. G cells
E. Mucus cells
B. D cells
Which of the following secretes gastrin?
A. Parietal cells
B. G cells
B. G cells
Parietal cells = gastric acid
G cells = gastrin
Which of the following secretes gastric acid?
A. Parietal cells
B. G cells
A. Parietal cells
Parietal cells = gastric acid
G cells = gastrin
Gastrin secretion will lead to acid secretion by which cells?
A. ECL cells
B. G cells
C. Parietal cells
D. Chief cells
E. D cells
C. Parietal cells
Autonomic stimulation of which cells will lead to the secretion of gastrin?
A. ECL cells
B. G cells
C. Parietal cells
D. Chief cells
E. D cells
B. G cells
Acid secretion stimulates which cells to secrete pepsinogen?
A. ECL cells
B. G cells
C. Parietal cells
D. Chief cells
E. D cells
D. Chief cells
Somatostatin secretion will inhibit secretions from all of the following EXCEPT?
A. G cells
B. Parietal cells
C. Mucus cells
D. Chief cells
C. Mucus cells
What are the 2 drugs that treat GERD?
Omeprazole and Cimetidine
Which of the following is a proton-pump inhibitor (PPI) used to treat GERD?
A. Cimetidine
B. Omeprazole
C. Celecoxib
D. Loperamide
E. Docusate
B. Omeprazole
Cimetidine = H2 receptor antagonist
Omeprazole = proton-pump inhibitor