Homeostasis

Question 1

Basal metabolic rate

Answer 1

energy expenditure at rest

largest proportion of daily energy usage

Question 2

Anabolic

Answer 2

formation of substances

Question 3

Catabolic

Answer 3

breakdown of substances

Question 4

resting metabolic rate

Answer 4

amount of calories needed to sustain daily resting metabolism
BMR is less than RMR

Question 5

RMR is increased by

Answer 5

Thyroid
growth hormone
testosterone
epi
NE

Question 6

What influences RMR

Answer 6

Gender- males higher than female
age- younger higher than older
where you live
malnutrition

Question 7

Set point

Answer 7

normal range for the physiologically controlled variable

Question 8

Sensors

Answer 8

monitor the controlled variable

Question 9

Comparator

Answer 9

interprets input from sensors

initiates counter response

Question 10

effectors

Answer 10

Mechanisms that restore the set point to its normal level

Question 11

Gain

Answer 11

capacity of a system to restore a controlled variable to its set point after error
higher gain the better a system is at restoring a controlled variable to its set point

Question 12

useful positive feedback

Answer 12

Blood clotting
uterine contraction during child birth
estrogen effets on the pituitary-hypothalamus before ovulation
action potential
Ca induced Ca release in the heart