Weight Loss Surgery Post-Surgery Nutrition and Diet

Question 1

How much protein should bariatric surgery patients aim to consume daily in the long term?

Accepted Answer

60–80 grams

Answer

Most bariatric programs recommend 60–80 grams of protein per day to prevent muscle loss after surgery.

Question 2

Which vitamin deficiency is most commonly seen after Roux-en-Y gastric bypass due to reduced intrinsic factor?

Accepted Answer

Vitamin B12

Answer

Vitamin B12 deficiency is common after gastric bypass because reduced stomach acid and intrinsic factor impair absorption.

Question 3

What is the recommended minimum daily fluid intake for bariatric surgery patients?

Accepted Answer

64 oz (1.9 liters)

Answer

Bariatric patients are advised to drink at least 64 oz (about 2 liters) of fluid per day to prevent dehydration.

Question 4

Why are carbonated beverages discouraged after bariatric surgery?

Accepted Answer

They may stretch the gastric pouch and cause discomfort

Answer

Carbonated beverages can expand the small gastric pouch, causing discomfort, stretching, and potentially reducing restriction.

Question 5

At what stage of the post-surgery diet progression do patients typically begin eating soft/pureed foods?

Accepted Answer

Weeks 2–4

Answer

Soft or pureed foods are generally introduced 2–4 weeks after surgery, after the clear liquid and full liquid stages.

Weight Loss Surgery Practice Test