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Chapter 36: Drugs Used in Gastrointestinal Disorders

Which of the following drugs is clinically used for acid-peptic disease, but also has the potential to treat diarrhea by binding enterotoxins?

a. Bismuth

b. Cimetidine

c. Omeprazole

d. Misoprostol

Which of the following drugs used in irritable bowel syndrome has its antispasmodic action via inhibition of muscarinic receptors in the gastrointestinal system?

a. Crofelemer

b. Hyoscyamine

c. Linaclotide

d. Lubiprostone

Which of the following drugs is a mu opioid receptor antagonist that is used to treat constipation?

a. Docusate

b. Magnesium citrate

c. Methylnaltrexone

d. Polyethylene glycol

Which of the following drugs increases gastrointestinal motility by stimulating motilin receptors?

a. Metoclopramide

b. Dronabinol

c. Plecanatide

d. Erythromycin

Which of the following drugs inhibits the cystic fibrosis transmembrane conductance regulator channel?

a. Crofelemer

b. Linaclotide

c. Lubiprostone

d. Psyllium

Which of the following drugs used to treat diarrhea associated with irritable bowel syndrome inhibits serotonin type 3 receptors in the gastrointestinal system?

a. Ondansetron

b. Alosetron

c. Granisetron

d. Palonosetron

Which of the following drugs produces its antiemetic action by inhibiting neurokinin receptors?

a. Ondansetron

b. Dexamethasone

c. Aprepitant

d. Scopolamine

Which of the following drugs used in the treatment of inflammatory bowel disease acts via 5-aminosalicylic acid (5-ASA)?

a. Azathioprine

b. Vedolizumab

c. Sulfasalazine

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