Topic 9 part 2

Question 1

Hypothalamus

Answer 1

monitoring levels of glucose

Question 2

Hormones

Answer 2

Gherilin

• Increases eating (reduced after gastric bypass)

Leptin

• produced by fat cells signals, reduces hunger

Insulin

• Secreted by the pancreas, regulates satiety & food intake

Question 3

Empty stomach

Answer 3

Sends signals to the brain to stimulate hunger

Question 4

Stretch rectors

Answer 4

Detect fullness & send satiety signals to the brain

Question 5

Reward system - dopamine

Answer 5

The brian rewards system plays a role, especially for highly palatable foods, releases of dopamine reinforce behaviors

Question 6

Environmental & psychological influences

Answer 6

Sight, smell, stress

Question 7

Ozempic (Glucagon-like peptide I)

Answer 7

Lower hunger drive

• mimics GLP - I hormone

Reduced cravings

• Also dampens the brain’s response to food-related cues

Question 8

Social/environmental factors on hunger

Answer 8

Biological factors alone do not explain our eating behaviors

Culturally learned preferences & habits

Social norms/social rules

Food-related cues

Stress

Question 9

Social Motives

Answer 9

Need for achievement

• Desire to accomplish goals by setting high standards and striving to meet them

Need for affiliation

• Desire to have positive interaction with others and be in close, friendly relationships