Cardiovascular

Question 1

Senatorial (sa) node

Answer 1

In right atrium and unstable resting potential

Question 2

Av node

Answer 2

In between atrium and septum, both atriumcontract

Question 3

Bundle of his

Answer 3

Transfer signal atrium to ventricles

Question 4

Left and right bundle branch

Answer 4

Split signals to extend down interventricts septum → apex

Question 5

Purkinjee fibers

Answer 5

Transfers signal to apex and all ventricles myocardium - contract

Question 6

What does p-wave indicate?

Answer 6

Artia depolarize

Question 7

What does QRS complex indicate

Answer 7

Ventricular depolarize

Question 8

What does T wave indicate

Answer 8

Ventricles repolarize

Question 9

What is mitral stenosis

Answer 9

Mitral valve doesn’t open, trouble filling ventricle

Question 10

What is mitral insufficiency

Answer 10

Mitral valve doesn’t close, trouble back flow into atrium

Question 11

What is aortic stenosis

Answer 11

Aortic valve doesn’t open, forcing blood out L ventricle

Question 12

Aortic insufficiency

Answer 12

Aortic valve doesn’t not close, trouble backflow into L ventricle

Question 13

What dues vasodilators do?

Answer 13

Reduce peripheral resistance

Question 14

What does beta-blockers treat

Answer 14

Hypertension and dysrhythmias

Question 15

What is calcium channel blockers

Answer 15

Reduce cardiac contractility

Question 16

What does digoxin

Answer 16

Treatment for heart failure

Question 17

What is antihypertensive drugs

Answer 17

Low blood pressure

Question 18

What is adrenergic blocking drug?

Answer 18

Act on SNS centrally or on periphery

Question 19

angiotensin converting enzymes inhibitors

Answer 19

block conversion of angiotension I and angiotension ll

Question 20

what does diruetic do

Answer 20

remove excess Na+ and H2O, treay high blood pressue and congestive heart failure

Question 21

anticoagulants

Answer 21

reduce risk of blood clot formation

Question 22

what does cholesterol lowering drugs do

Answer 22

reduce low density lipoprotein and cholesterol levels

Question 23

atherosclerosis

Answer 23

atheromas in large arteries

Question 24

arteriosclerosis

Answer 24

ALL type pf arterial changes

Question 25

low density lipoprotein (LDL)

Answer 25

lazy, transport cholesterol from liver to cells

Question 26

high density lipoprotien (HDL)

Answer 26

transport cholesterol away from the peripheral cels to liver– “good” lipoprotein, healthy