Obesity & Bariatric

Question 1

Describe the energy balance equation

Answer 1

energy intake - energy expense = delta weight

Question 2

Describe ghrelin

Answer 2

• hunger hormone
• increased levels after weight loss
• normal circadian fluctuations

Question 3

What can happen to metabolism after weight loss

Answer 3

metabolism slows the longer the weight loss is maintained

Question 4

What does a mutation in the FTO gene result in

Answer 4

Obesity, normal functioning stores fat in beige adipocytes, dysfunctioning stores fat in yellow fat which is kept longer

Question 5

What does the presence of the ankyrin-B gene result in

Answer 5

obesity d/t glucose storage prioritization rather than usage

Question 6

Describe the etiology of obesity

Answer 6

Question 7

Describe the lifestyle modification considerations in obesity

Answer 7

Question 8

Describe the medication considerations in managing obesity

Answer 8

Question 9

Describe the surgical considerations in managing obesity

Answer 9

Question 10

Describe the 3 major bariatric surgeries & a few complications

Answer 10

Question 11

Describe some early & late post-op bariatric surgery complications

Answer 11

Question 12

What is obesity hypoventilation syndrome aka Pickwickian syndrome characterised by

Answer 12

• restrictive respiratory pattern
• chronic hypoxemia with respiratory acidosis
• secondary to chest wall heaviness causing inability of proper lung expansion d/t obesity
• tx with CPAP & bari surgery