CH 19 Cardio Vascular System

Question 1

Cardiac Muscle Cells

Answer 1

Short, Single Nucleus, Branching Serrated by Intercalated discs

Question 2

Parietal Pericardium

Answer 2

Serous membrane not directly touching heart

Question 3

Visceral

Answer 3

Serous membrane directly touching heart

Question 4

Pericardial Cavity

Answer 4

is the space between parietal and visceral pericardial tissues; contains small fluid.

Question 5

Serous Pericardium

Answer 5

is a sac-like tissue covering heart.

Question 6

Cardiac tamponade

Answer 6

condition when heart movement is restricted

Question 7

Epicardium

Answer 7

Outer layer of heart wall

Question 8

Myocardium

Answer 8

middle, muscular layer

Question 9

Endocardium

Answer 9

Inner layer exposed to blood

Question 10

Atrioventricular Valves

Answer 10

Tricuspid/Mitral

Question 11

Semilunar Valves

Answer 11

Pulmonary/Aortic

Question 12

Right Coronary Artery

Answer 12

Supplies blood to R Atrium and posterior ventricles

Question 13

Left Coronary Artery

Answer 13

Supplies blood to L Atrium and anterior ventricles septum

Question 14

Atherosclerosis

Answer 14

Lipid deposits in arteries

Question 15

Coronary Artery Disease (CAD)

Answer 15

Heart attack

Question 16

Diastole

Answer 16

heart relaxes and pushes blood into places

Question 17

Auscultation

Answer 17

sound of heart valves closing

Question 18

S1

Answer 18

“Lubb’’ sound Ventricular contraction , produced by closure of AV Valves

Question 19

S2

Answer 19

“dupp” sound produced by closure of semilunar valves

Question 20

Cardiac Output

Answer 20

amount of blood pumped by the left ventricle

Question 21

Cardiac Output Formula

Answer 21

Co = HR x Sv

Question 22

Pacemaker

Answer 22

cells that control the rhythm of the heart

Question 23

Sinoatrial (SA) node

Answer 23

embedded in posterior wall of R. atrium

Question 24

Internodal pathways

Answer 24

distribute signal to both atria

Question 25

Atriventricular (AV) node

Answer 25

located between the junction of atria and ventricles;

Question 26

AV bundle and bundle branches

Answer 26

carry signal toward heart apex

Question 27

Purkinje fibers

Answer 27

carry signal to both ventricles

Question 28

Bradycardia

Answer 28

below 60 BPM

Question 29

Tachycardia

Answer 29

Above 100 BPM

Question 30

Electrocardiogram

Answer 30

Device to record heart rhythm

detects abnormal heart rhythm

Question 31

P Wave

Answer 31

indicates Atrial depolrization

Question 32

QRS Complex Wave

Answer 32

Indicates ventricle contraction

Question 33

T wave

Answer 33

indicates ventricle replorization