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

Adjustable gastric banding (e.g., Lap-Band) places a silicone band around the upper stomach to create a small pouch and narrow outlet.

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

The gastric pouch created in RYGB is very small, typically 15–30 mL (less than 5% of the original stomach volume).

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

Malabsorptive procedures like gastric bypass or BPD reroute the intestines to reduce the amount of nutrients and calories absorbed.

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

BPD-DS produces the greatest weight loss of all bariatric procedures but carries the highest risk of severe nutritional deficiencies due to extensive malabsorption.

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

Sleeve gastrectomy restricts intake by reducing stomach size and also lowers ghrelin levels by removing the fundus, reducing hunger.

Weight Loss Surgery Practice Test

Weight Loss Surgery Practice Test

Weight Loss Surgery Surgical Procedures and Techniques