lecture 8 thermoregulation and pyrexia

Question 1

high temp means enzymes

Answer 1

denature

Question 2

what must you bare in mind when taking a temp

Answer 2

changes throughout the day

Question 3

when are you coolest ;)

Answer 3

morning

Question 4

when do women have higher temp

Answer 4

menstration, ew gross

Question 5

what type of receptors are there more of

Answer 5

cold

Question 6

what fibers transmit temp

Answer 6

A delta and C fibers

Question 7

what regulates temp

Answer 7

anterior hypothalamus

Question 8

metabollic processes are …thermic

Answer 8

exothermic

Question 9

where is brown adipose tissue found

Answer 9

scapula

Question 10

what is brown adipose tissue rich in

Answer 10

mitochondria and blood supply

Question 11

what receptors does brown adipose tissue have

Answer 11

beta 3

Question 12

how does brown adipose tissue produce heat

Answer 12

uncouples lactam transfer chain

create heat

Question 13

a release of what increases BMR

Answer 13

catecholamines

Question 14

what is the main determinant of BMR

Answer 14

thyroxine

Question 15

what is hypothermia

Answer 15

core temp below 35

Question 16

can hypothyroidism cause hypo or hyperthermia

Answer 16

hypothermia

Question 17

is you have lots of infections or excema how can you lose heat

Answer 17

vasodilation

Question 18

what does a hypothermia ECG show

Answer 18

slow and irregular

J wave

Question 19

hyperthermia

Answer 19

above 38

Question 20

when do you get pyrexia

Answer 20

viral infection

Question 21

what happens in pyrexia

Answer 21

altered set point

Question 22

pyrogenesis drugs

Answer 22

paracetamol iburofen

Question 23

what does less prostoglandins mean

Answer 23

stops heat increase