Structure to function

Question 1

3 key transports done via cardio system

Answer 1

1. move material in
2. cell to cell
3. move waste out

Question 2

what occurs when one side of hear works better than other

Answer 2

edema in portion served by better side

Question 3

point of highest pressure

Answer 3

aorta

Question 4

where are highest and lowest pressure generated

Answer 4

ventricles

Question 5

what is determiniant of flow through tube

Answer 5

change in pressure from one end to the other

Question 6

difference and similarity between systemic and pulmonary pressureq

Answer 6

systemic has higher pressure, but both have same gradient

Question 7

name of 3 layers of heart wall and casing

Answer 7

epicardium, myocardium, endocardium + pericardial sac

Question 8

3 functions of collagen matrix in heart

Answer 8

1. form/framework
2. strength
3. electrical insulation

Question 9

pathway of cardiac impulse

Answer 9

SAnode>SVnode>bundle of His> Purkinje fibers>ventricles

Question 10

2 functions of intercalcated discs

Answer 10

1. force transfer

2. gap jcts. for communication - passes action potential

Question 11

where blood passes in ventricular septal defect

Answer 11

from L to R ventricle

Question 12

where does blood go in eisenmengers syndrome

Answer 12

extra (oxygenated) blood goes to lungs