3-cardiovascular system

Question 1

what is the name for the muscular layer of the heart?

Answer 1

-myocardium

Question 2

which blood vessel brings blood back to the heart FROM the body?

Answer 2

Vena Cava

Question 3

which valve sits between the left atrium and the left ventricle?

Answer 3

-mitral

Question 4

what two factors compromise Cardiac Output?

Answer 4

-heart rate
-stroke volume

Question 5

what is the smooth internal layer of the heart called?

Answer 5

-endocardium

Question 6

Angiotensinogen combines with what to form Angiotensin 1?

Answer 6

renin

Question 7

where does the electrical signal that co-ordinates the heart originate from?

Answer 7

-sinoatrial node

Question 8

Alongside Pre-load what two other factors contribute to stroke volume?

Answer 8

-afterload
-contractility

Question 9

what is the normal resting heart rate range for an adult?

Answer 9

60 - 100 bpm

Question 10

what effect does vasodilation have on blood pressure?

Answer 10

LOWERS

Question 11

what effect does vasoconstriction have on blood pressure?

Answer 11

INCREASES