Module 10 ML-2

Question 1

Baroreceptors relfexes onlr regulate what in the short term

Answer 1

blood pressure

Question 2

Why do they only regulate in the short term?

Answer 2

because they reset their “set point” after extended period at high blood pressure

Question 3

The long term regulation of bp depends on what

Answer 3

blood volume

Question 4

what regulates blood volume

Answer 4

the renal and CVS

Question 5

Things that increase MAP

Answer 5

decreased arterial o2
increased arterial co2
decreaed brain flow

Question 6

Pheripheral chemoreceptors

Answer 6

sense low o2, high co2, low pH

Question 7

What are pheripheral chemprecpetors also known as

Answer 7

aortic or carotid bodies

Question 8

What happens when pheripheral chemoreceptors snese a change

Answer 8

stimulaes VM brainstem nuclei and vasoconstriction occurs

Question 9

Things that also increase
MAP

Answer 9

pain in the skin, psychological stress, physical acitivty, weight gain

Question 10

Things that decrease map

Answer 10

deep bone or visceral pain, sleeping, happiness

Question 11

What is cushings phenomennon

Answer 11

elevated intracranial pressure resulting in large increase in systemic map

Question 12

what is cushings initiaed by

Answer 12

central chemorecpetors

Question 13

What do central chemoreceptors do

Answer 13

detect co2 levels in brain