Unit 10

Question 1

What are the 4 prescription medications available in Canada for treatment of overweight and obesity?

Answer 1

1. Xenical (orlistat)
2. Contrave (naltrexon and bupropin)
3. Wegovy and Ozempic (semaglutide)
4. Saxenda (liraglutide)

Question 2

How does Xenical (orlistat) work?

Answer 2

One capsule you take at each meal, Blocks fat absorption in the intestine, may lead to diarrhea and fatty stools

Question 3

How does Contrave work?

Answer 3

works on 2 separate areas of the brain that control hunger and cravings, oral tablet

Question 4

How does Wegovy and Ozempic work?

Answer 4

GLP-1 (satiety hormone) recpetor agonist, thus stops you from feeling hungry, self-inject once a week

Question 5

How does Saxenda work?

Answer 5

GLP-1 (satiety hormone) recpetor agonist, thus stops you from feeling hungry, self-inject daily

Question 6

What are two examples of weight loss programs?

Answer 6

Weight Watchers, jenny craig

Question 7

What are some examples of how obesity changes the biology of the body making it harder to loss weight or maintain it?

Answer 7

• Full year after significant weight loss participants had 20% higher ghrelin, body acted as if it was starving
• post weight loss muscle biopsy shows that you burn 20-25% less energy during low-intensity exercise and daily activities
• caloric deprivation increase the reward value of high calorie foods

Question 8

What are some more invasive/drastic measure to combat obesity and overweight?

Answer 8

• prolonged fasting
• bariatric surgery
• liposuction

Question 9

What are the 3 types of bariatric surgery?

Answer 9

1. Gastric band
2. Gastric bypass - effective, bypasses first section of intestine
3. Sleeve gastrectomy - hunger cells removed (ghrelin producing cells)

Question 10

True/false: liposuction is cosmetic surgery

Answer 10

true

Question 11

What are some things that people who maintain their weight loss do?

Answer 11

• exercise regularly
• make small and comfortable changes in diet and physical activity
• eat breakfast
• choose low-fat food
• keep track of their wight, dietary intake, and PA level

Question 12

What do those who regain weight do?

Answer 12

• exercise little
• use popular/fad diets
• make drastic unpleasant changes to their diet and PA levels
• take diet supplements
• cope with problems and stress by eating

Question 13

What is the difference between liquid calories and solid food categories?

Answer 13

body does not detect liquid calories the same wait it does solid food calories, and the mechanisms that control hunger and thirst are different so liquid calories don’t resolve hunger