Certified Gastroenterology RN Certified Gastroenterology RN MCQ 3

Question 1

A patient with an upper GI bleed has a blood urea nitrogen of 45 mg/dL with a normal creatinine. What best explains this finding?

Accepted Answer

Digested blood proteins being absorbed in the GI tract

Answer

Blood in the upper GI tract is digested and absorbed as protein, raising BUN out of proportion to creatinine.

Question 2

Which patient statement indicates correct understanding of split-dose bowel prep for colonoscopy?

Accepted Answer

"I'll drink the second half of the prep four to six hours before my procedure."

Answer

Split-dose prep with the second dose taken 4-6 hours before the procedure produces superior colon cleansing.

Question 3

A patient with ulcerative colitis develops fever, tachycardia, abdominal distension, and more than six bloody stools daily. Which complication should the nurse anticipate?

Accepted Answer

Toxic megacolon

Answer

Systemic toxicity with colonic distension in severe ulcerative colitis signals toxic megacolon, which risks perforation.

Question 4

Before an ERCP, the nurse reviews the patient's history. Which finding poses the greatest post-procedure risk?

Accepted Answer

History of post-ERCP pancreatitis

Answer

Prior post-ERCP pancreatitis is one of the strongest predictors of recurrent pancreatitis after the procedure.

Question 5

A patient taking sucralfate for a duodenal ulcer should be taught to take the medication at which time?

Accepted Answer

One hour before meals on an empty stomach

Answer

Sucralfate needs an acidic, empty stomach to form its protective barrier over the ulcer.

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Certified Gastroenterology RN MCQ 3