irculation ch 22

Question 2

Tone =

Question 3

The higher the pressure, the higher the action potentials

Question 4

B.P. too low
heart rate, TPR , & Venous return is higher

Answer 4

B.P. too high Heart Rate & TPR go down

Question 5

acetylcholine has what relationship with the heart

Answer 5

with more of it, it slows down the heart

Question 6

Norepinephrine constricts the heart

Answer 6

yes

Question 7

MAP= CO * TPR

Answer 7

CO= HR * SV

Question 8

Varicose veins

Answer 8

Damaged valves, so blood pools

Question 9

plasma

Question 10

One of the primary drivers of P Cap

Answer 10

albumin

Question 11

Erythrocytes

Answer 11

no nucleus
lasts 120 days
1.2 million blood cells created /sec

Question 12

sickle cell disease

Answer 12

cells get stuck, like intertube traffic on a lazy river
it hurts

Question 13

why does sickle cell disease stay around

Answer 13

ppl with malaria survive, it was environmentally advantageous

Question 14

anemia

Question 15

Polycythemia

Answer 15

too many red blood cells
thicker blood
you need to acclimate to higher elevation

Question 16

Normoxidative

Question 17

von hipple limdow

Question 18

why do we destroy hip1Alpha in normoxidative conditions