Appetite regulation II

Question 1

What hormone is present in the duodenum/jejenum?

Answer 1

Cholecystokinin

Question 2

What is cholecystokinin used for?

Answer 2

Causes the gallbladder and pancreas to contract and secrete bile

Question 3

What three hormones are present in the large/small intestine?

Answer 3

Peptide tyrosine/tyrosine (PYY), Oxyntomodulin, Glucagon-like peptide-1

Question 4

Role of PPY?

Answer 4

It limits refeeding, and has a delayed response

Question 5

How long after feeding does PYY take effect?

Answer 5

15-120 min

Question 6

Which enzyme is exclusively secreted from adipose tissue?

Answer 6

Adiponectin

Question 7

What is adiponectin important for?

Answer 7

Glucose and fatty acid metabolism

Question 8

What is adiponectin inversely correlated with?

Answer 8

Weight

Question 9

What can adiponectin stimulate?

Answer 9

Appetite

Question 10

Where is leptin secreted from?

Answer 10

Adipose tissue

Question 11

What is leptin positively correlate with?

Answer 11

Weight/obesity

Question 12

What is leptin inversely associated with?

Answer 12

Physical activity levels

Question 13

Role of leptin?

Answer 13

Causes a decrease in food intake

Question 14

What does leptin act on?

Answer 14

Hypothalmus

Question 15

How does leptin cause a decrease in food intake?

Answer 15

Inhibits the release of neuropeptide Y

Question 16

What is neuropeptide Y and what is its role?

Answer 16

A hypothalamic neurotransmitter that stimulates appetite and hunger