function Flashcards
1
Q
6 functions intergumentary system
A
protection thermoregulation Vit D production sensation absorption excretion
2
Q
5 ways skin protects us
A
physical barrier sebum anti-microbial sweat - contains lysozyme desquamation removes microbes nerve sensors induce protective reflexes
3
Q
2 control centres for body temp are
A
hypothalamus
vasomotor centre of medulla oblongata
4
Q
what controls sweat glands/BVs to regulate body temp
A
ANS
5
Q
other heat producing organs are
A
liver
muscles
digestive tract
6
Q
heat loss also via
A
respiration
7
Q
heat maintenance via which tissue
A
adipose - insulation
8
Q
what is a pyrogen
A
fever-inducing substance
9
Q
normal body temp
A
36.7 C
10
Q
hypothermia
A
rectal temp below 35 - death @ 25C
11
Q
hyperthermia
A
above 37.5, death @44C
12
Q
how is vit C synthesized
A
UV light activates Vit D precursor in skin
kidneys turn precursor to CALCITRIOL
13
Q
effect of calcitriol on body
A
acts as hormone
increases uptake of calcium and phophorous in blood
supports bone density
14
Q
vit D stored in
A
liver
15
Q
skin absorbs
A
lipid-soluble molecules Vits A, D, E, K meds - corticostaeroids O2, CO2 toxins
