Lec: Appetite control (1)

Question 1

exercise can increase the secretion of:

Answer 1

• irisin &

- growth hormone

Question 2

Irisin is produced by:

Answer 2

muscle

Question 3

Irisin acts on _____ to increase its metabolism of ____&_____.

Answer 3

• white fat

- triglycerides & glucose

Question 4

Growth Hormone is from the?

Answer 4

anterior pituitary

Question 5

__ calories/24 hrs. for 1 pound of resting muscle

Answer 5

50

Question 6

__ calories/24 hrs. for 1 pound of fat

Answer 6

1

Question 7

Growth hormone stimulates production of ____ ____ to increase _____.

Answer 7

• growth factors

- mitosis

Question 8

Mitosis increases ___ __, & __ __.

Answer 8

• muscle mass

- bone strength

Question 9

Increased muscle mass, increases __ __ __.

Answer 9

basal metabolic rate

Question 10

exercise may decrease __ __ __.

Answer 10

myostatin gene expression

Question 11

myostatin is a __ __ produced in __ & __ __.

Answer 11

• growth factor

- skeletal & cardiac muscle

Question 12

myostatin provides __ __ control on muscle __.

Answer 12

• negative feedback control

- growth

Question 13

myostatin inhibits __ __ & __ __.

Answer 13

• myoblast differentiation

- protein synthesis

Question 14

myostatin in excess may contribute to __ __ (__) & __ __.

Answer 14

• muscle degeneration (sarcopenia)

- insulin resistance

Question 15

too little myostatin = overly enlarged __ & __ __.

Answer 15

• heart

- skeletal muscle

Question 16

sateity center of the brain:

Answer 16

ventral medial hypothalamus

Question 17

feeding center of the brain:

Answer 17

lateral hypothalamus

Question 18

orexigenic signals->

Answer 18

stimulate feeding

Question 19

anorexigenic signal->

Answer 19

inhibit feeding

Question 20

orexis:

Answer 20

appetite in greek

Question 21

hormones & NT’s from:

Answer 21

• digestive track
• adipose tissue
• immune system
• brain

Question 22

in individuals with appetite & weight control malfunctions, causes can include:

Answer 22

• psychological

- neural

Question 23

psychologically using food as a substitute for other pleasures may be the result of (3):

Answer 23

• life experience (such as prior abuse: psych, or physical)
• an increased risk for addictive behavior
• diets & eating customs defined by social cultures
• or lack of other pleasurable stimuli in one’s life

Question 24

food addictions may be due to:

Answer 24

• genetic mutations involved in the neural pleasure pathways in the brain
• or poorly developed anatomical pleasure pathways

Question 25

neural stimulation of the satiety center->

Answer 25

stop eating (inhibits the feeding center)

Question 26

damage of the satiety center->

Answer 26

eat excessively

Question 27

stimulation of feeding center->

Answer 27

eating

Question 28

damage of the feeding center->

Answer 28

not eat