CGRN GI Nutrition and Therapeutic Diets

Question 1

Which diet is most appropriate for a patient with acute diverticulitis?

Accepted Answer

Clear liquid diet

Answer

A clear liquid diet rests the bowel and reduces inflammation during acute diverticulitis flares.

Question 2

A patient with Crohn's disease is at highest risk for deficiency of which vitamin due to terminal ileum involvement?

Accepted Answer

Vitamin B12

Answer

Vitamin B12 is absorbed exclusively in the terminal ileum, which is frequently diseased in Crohn's disease.

Question 3

Which nutritional support route is preferred when a patient's GI tract is functional but oral intake is insufficient?

Accepted Answer

Enteral nutrition via nasogastric tube

Answer

Enteral nutrition is preferred over parenteral nutrition when the GI tract is functional because it preserves gut mucosal integrity.

Question 4

A low-residue diet is indicated for which patient?

Accepted Answer

Patient post-bowel resection anastomosis

Answer

A low-residue diet reduces stool bulk and is recommended after bowel anastomosis to minimize stress on the surgical site.

Question 5

Which electrolyte imbalance is most commonly associated with prolonged nasogastric suctioning?

Accepted Answer

Hypokalemia

Answer

Prolonged NG suction removes gastric fluid rich in potassium, leading to hypokalemia.

CGRN - Certified Gastroenterology Registered Nurse Practice Test