Laxatives and Purging Agents — MCQs

Colonoscopy performed on a 25 year old woman with eating disorder showed dark brown to black pigmentary deposit in the lining of the large intestine. Histopathology of biopsy revealed pigment laden macrophages within the lamina propria. On probing, the woman revealed use of laxatives for 9 months to lose weight. What could be the probable laxative agent that could have caused these findings?

Portocaval encephalopathy is treated with

Constipation is a possible side effect of drugs taken by the oral route. Which of the following medications is least likely to cause constipation?

Which of the following is not considered a prokinetic agent?

Which is not a dietary fiber ?

Prucalopride is a

Which of the following drugs is NOT effective against chemotherapy-induced vomiting?

Which of the following drugs cause relaxation of the lower esophageal sphincter (LES)?

Alosetron is:

All the drugs given below can be used to protect gastric ulcer except?