Gastrointestinal Pharmacology

Question 1

In Mg(Al)3OH, which will cause diarrhea and which will cause constipation?

Answer 1

Mg - diarrhea

Al - constipation

Question 2

H2 blocker that will cause gynecomastia

Answer 2

Cimetidine

Question 3

Metoclopramide and domperidone blocks what receptor?

Answer 3

D2

Question 4

Antibiotic that stimulates motilin receptor

Answer 4

Erythromycin

Question 5

DOC for diabetic gastroparesis

Answer 5

Metoclopramide

Question 6

ADR of lactulose

Answer 6

Hepatic encephalopathy

Question 7

Lactulose is what type of laxative?

Answer 7

Osmotic

Magnesium oxide, magnesium citrate, sodium PO4, polyethylene glycol

Question 8

Laxative used for preparation for endoscopy?

Answer 8

Polyethylene glycol

Question 9

Docusate is what type of laxative?

Answer 9

Stool softening

Glycerine suppository, mineral oil

Question 10

Psyllium is what type of laxative

Answer 10

Bulk-forming

Methylcellulose, polycarbophil

Question 11

Bisacodyl is what type of laxative

Answer 11

Stimulant or cathartic

Aloe, senna, cascara, castor oil

Question 12

ADR of anthraquinone containing laxatives like senna

Answer 12

Melanosis coli

Colonic pigmentation due to accumulation of brown lipofuschin

Question 13

Reverses ileus caused by administration of loperamide or diphenoxylate

Answer 13

Bethanecol