renal 6

Question 1

tf body temp is highest from 3-6 pm

Answer 1

T lowest from 3-6 am

Question 2

tf ovulation has .5 degree celcus dec in temp

Answer 2

f inc

Question 3

homeotherms

Answer 3

maintain body temp in narrow range

Question 4

major way to get heat from core to skin

Answer 4

convection

Question 5

which of the following isnt a way to eliminate heat convection conduction radiation

Answer 5

radiation

Question 6

convection

Answer 6

fluid movement

Question 7

conduction

Answer 7

diffusion and collision of particles

Question 8

bigger velocity

Answer 8

–> bigger gradient in temp (convection)

Question 9

True false being in cold water increases the amount of heat that is lost from you

Answer 9

T water has higher heat capacity than air

Question 10

wate vapour pressure on skin — with sweat and carries — because of the —-

Answer 10

inc;heat; gradient(water more pressure than air)

Question 11

where do temp sensors exist

Answer 11

pre optic area and ant hyp, entire skin surface

Question 12

tf temp sensory have merkel corpsucle

Answer 12

F have free nerve ending

Question 13

example of acral skin

Answer 13

face lip finger

Question 14

tf trunk and limbs have low conc of temp receptor

Answer 14

T

Question 15

tf acral skin have higher onc of temp receptor

Answer 15

T(fine temp discrimination

Question 16

tf when warm receptor stim there is depol and action potential

Answer 16

T ion channel open depol inc in AP

Question 17

capsaicin

Answer 17

stim warm receptor

Question 18

menthol and oil or wintergreen

Answer 18

stim cool sensation

Question 19

tf in body core thermoreceptor there are only cold thermoceptors

Answer 19

F only warm

Question 20

which is false about core thermceptors in brain in SC responds to 10 degree diff between mean can exist in muscles

Answer 20

responds to 10 degree diff between mean –> 2-4 degree

Question 21

skin therm receptors tell u to turn on heat loss mech more agresive in hot env to turn on heat loss mech more agresive in cold env to turn on heat loss mech less agresive in hot env

Answer 21

to turn on heat loss mech more agresive in hot env

Question 22

tf core body thermoceptors inc met rate same amt for diff skin thermoceptors.

Answer 22

F for higher skin thermoceptor the temp is less skin thermoceptors alter sensitivity to body core thermceptor

Question 23

Brown adipose tissue

Answer 23

inc rate of metab

Question 24

cutaenous ciruclation

Answer 24

inc blood to skin

Question 25

vasocontrict to skin

Answer 25

less heat loss

Question 26

TF ANS control cut circulation

Answer 26

T

Question 27

shivering

Answer 27

invol clonic rhythmic contractions and relaxation

Question 28

which of the following has noradrenagenic stim for cut circ of skin vasoconstrition vasodil of acral skin vasodil of non acral skin

Answer 28

vasoconstriction

Question 29

tf vasodil of acral skin involves bypassing cap

Answer 29

t

Question 30

tf vasodil of acral skin use symp ns

Answer 30

F doesnt

Question 31

kallikrein is released in vasoconstrition vasodil of acral skin vasodil of non acral skin

Answer 31

vasodil of non acral skin

Question 32

kallikrein; bradykin 1st second second 1st vasodil; comes from activated sweat gland involved in vasodil of acral skin

Answer 32

1st second

Question 33

tf brown adipose tissue only found in infants

Answer 33

F

Question 34

Infants

Answer 34

thin shell of fat and skin and more susceptible to heat loss

Question 35

which 2 inc UCP T3 and FA FA and T2 protein kinase and T3 5 deiodinase and alpha 1 receptor

Answer 35

T3 and FA

Question 36

in brown adipose tissue B3 stim by NE ultimately make Lipase (convert TG to FA) B3 stim by NE make 5' deiodinase T3 converts to T2 via 5' deiodinase

Answer 36

B3 stim by NE ultimately make Lipase (convert TG to FA)

Question 37

TF in brown adipose tissue UCP reverse gradient of H + into inner mit membrane. ATP synthase does the opposite

Answer 37

T

Question 38

Non shiver thermogenesis happens in

Answer 38

brown addpose cells

Question 39

hyperthermia

Answer 39

core temp above limits

Question 40

hyperthermia

Answer 40

hot humid env with phys activity

Question 41

tf in hyperthermia inc in core temp by less radiative heat loss less conductive heat loss more evap heat loss 1 and 2

Answer 41

1 and 2

Question 42

inc radiation and metabolism

Answer 42

cause hyperthemia

Question 43

tf in hypothermia shivering and cutaneous constriction is sufficient

Answer 43

F not sufficienct have to get out of water

Question 44

fever in hot env

Answer 44

heat loss mech off

Question 45

fever in cold env

Answer 45

heat loss mech on

Question 46

fever in---

Answer 46

fever in cold env

Question 47

inc of temp in fever

Answer 47

improve t lymph proliferation

Question 48

tf t lymphocyte proliferate greater in vitro when at 39 then 37 degrees Celsius

Answer 48

T

Question 49

heat loss neurons on

Answer 49

fever i cold

Question 50

shift balance point of temp of 37 dgress celcius

Answer 50

Fever or excersize

Question 52

tf at prox tubule k is reabs intracellularly and secondary to water and diffusion

Answer 52

F reabs paracellularly

Question 53

at the thick ascending limb K is transferred to caps at basolateral membrane by cotransport wih Cl pump channel 1 and 3

Answer 53

1 and 3

Question 54

how does K get into tubular cell at luminal membrane

Answer 54

cotransport wih 2 cl and na

Question 55

TF collecting duct and distal convoluted tubule can reabsorb and sec K

Answer 55

T

Question 56

hypokalemia (low plasma K) which cells in CD reab K

Answer 56

intercalated cells

Question 57

tf principla cell secrete K into urine

Answer 57

T

Question 58

Lot of K in diet

Answer 58

Principle cells work to take secrete K in CD andDCT

Question 59

At basolateral membrane of Principle cells K/Na atpase bring K into cell from cap K/Na atpase bring K into cap from tubular cell K channels bring K into tubular cell to be secreted

Answer 59

K/Na atpase bring K into cell from cap

Question 60

What is on the lumanal membrane of principle cells to secrete K

Answer 60

K channel

Question 61

K channels are on intercalated cells to transfer K from lumen to Tubular cell reabsorb K from tub. cell to cap take ATP to reabs K

Answer 61

reabsorb K from tub. cell to cap

Question 62

In urine

Answer 62

1-20% excreted of K

Question 63

determine amt of K goes to urine

Answer 63

principle cells of CD

Question 64

tf hyperkalemia stimulates NaK pump and inc. luminal permeability independent of Aldosterons sec.

Answer 64

T

Question 65

inc plasma K levels will: inc Na/K pump at prox tubule inc. luminal permeability of CD dec. aldosterone secretion

Answer 65

inc. luminal permeability of CD inc. ald and inc. Na k pumps on basolater side of CD cells

Question 66

aldosterone

Answer 66

insert transport proteins ## Footnote and make transporter

Question 67

acidosis inc. k excretion dec. K excretion

Answer 67

inc. K excretion

Question 68

effect of inc. tubular flow

Answer 68

inc. k excretion