Weight Loss Surgery Surgical Procedures and Techniques

Question 1

Which bariatric procedure involves placing an adjustable silicone band around the upper portion of the stomach?

Accepted Answer

Adjustable gastric banding

Answer

Sleeve gastrectomy

Answer

Roux-en-Y gastric bypass

Answer

Biliopancreatic diversion

Question 2

In a Roux-en-Y gastric bypass, approximately what percentage of the stomach is used to create the new pouch?

Accepted Answer

Less than 5%

Answer

50%

Answer

25%

Answer

10%

Question 3

What does the term 'malabsorptive' mean in the context of bariatric surgery?

Accepted Answer

The surgery reduces the length of intestine available for nutrient absorption

Answer

The surgery reduces hunger hormones

Answer

The surgery causes nausea when eating certain foods

Answer

The surgery increases metabolic rate

Question 4

Which bariatric procedure has the highest rate of weight loss but also the highest risk of nutritional deficiencies?

Accepted Answer

Biliopancreatic diversion with duodenal switch

Answer

Adjustable gastric banding

Answer

Sleeve gastrectomy

Answer

Roux-en-Y gastric bypass

Question 5

What is the primary mechanism by which sleeve gastrectomy causes weight loss?

Accepted Answer

Restriction of food intake and reduction of ghrelin-producing cells

Answer

Malabsorption of nutrients

Answer

Increased metabolic rate

Answer

Dumping syndrome discouraging high-calorie foods

Question 6

Which imaging study is typically performed before bariatric surgery to evaluate the esophagus, stomach, and small bowel?

Accepted Answer

Upper GI series (barium swallow)

Answer

CT scan of abdomen

Answer

Abdominal MRI

Answer

Colonoscopy