Cardiac (lecture)

Question 1

Short term BP regulation w/ elevated BP

Answer 1

Nervous system regulates via (antagonistic) sympathetic and (agonistic) parasympathetic responses

Question 2

Short term BP regulation w/ decreased BP

Answer 2

Nervous system regulates via (agonistic) sympathetic and (antagonistic) parasympathetic responses

Question 3

Long term BP regulation w/ elevated BP

Answer 3

Endocrine reponse

Lower RAAS

Question 4

Long term BP regulation w/ decreased BP

Answer 4

Endocrine reponse

Increase RAAS

Question 5

RAAS

Answer 5

Renin

Angiotensin I

Angiotensin II

Aldosterone

Question 6

Renin

Answer 6

Made in kidneys

Activates Angiotenisn I

Question 7

Angiotensin I

Answer 7

Made in blood stream

Activates Angiotensin II

Question 8

Angiotensin II

Answer 8

Made in lungs

Activates aldosterone

Question 9

Aldosterone

Answer 9

Made in adrenal cortex

Increases Na in blood; increased H20 via osmosis; increases plasma; increases blood pressure

Question 10

Three factors impacting TPR

Answer 10

1) Vessel diameter (*arteries, arteriosclerosis)
2) Blood viscocity (*RBC ct,
3) vessel length