Food and Hunger Homeostasis for Exam 4

Question 1

Diabetes mellitus

Answer 1

Type 1, pancreas stops producing insulin, juvenile onset
get energy from fat storage
chronically undernourished

Question 2

insulin by itself does

Answer 2

not signal satiety(fullness)

Question 3

What is Ventromedial Hypothalmus(VMH)

Answer 3

Lesions cause subjects to maintain a higher weight set zone,
the VMH tells us to stop eating,
if damaged causes higher weight set zone

Question 4

Paraventricular Nucleuse(PVN)

Answer 4

axons pass through the VMH

Question 5

What is the The Fiber of Passage Problem

Answer 5

axons in different area coming through, if one is damaged it might damage the other area of the brain

Question 6

What is the Lateral Hypothalmus(LH)

Answer 6

tells us to eat more,
lesions cause subjects to maintain a lower weight set zone,
if damaged they lose more weight

Question 7

What is leptin

Answer 7

produced and secreted by fat cells into the blood stream

Question 8

What happens if there is a deficit of leptin

Answer 8

deficits in the production or sensitivity of leptin cause a false underreporting of body fat, and will cause us to eat if damaged

Question 9

What is Ghrelin

Answer 9

appetite stimulant

Question 10

What is PYY

Answer 10

appetite supressant