Cardiovascular system

Question 1

Functions of the heart

Answer 1

1.Generating blood pressure
2.Routing blood
3.Regulating blood supply

Question 2

true or false, The heart consists of TWO ATRIA and TWO VENTRICLES

Answer 2

True

Question 3

a doubled-walled sac around the heart composed of

Answer 3

Pericardium

Question 4

(found in the pericardium) superficial

Answer 4

Fibrous pericardium

Question 5

(found in the pericardium) a deep two layer

Answer 5

Serous pericardium

Question 6

Layers of the Heart

Answer 6

EME

Epicardium
Myocardium
Endocardium

Question 7

Provides protection against the friction of rubbing
organs

Answer 7

Epicardium

Question 8

Cardiac muscle layer forming the bulk of the heart

Answer 8

Myocardium

Question 9

Endothelial layer over crisscrossing, interlacing layer of connective tissue

Answer 9

Endocardium

Question 10

RECEIVING chambers of the heart

Answer 10

Atria

Question 11

DISCHARGING chambers of the heart

Answer 11

Ventricles

Question 12

Exits the RIGHT VENTRICLE carrying blood to the PULMONARY circulatory

Answer 12

Pulmonary Trunk

Question 13

Exits the LEFT VENTRICLE carrying blood to the SYSTEMIC circulation

Answer 13

Aorta

Question 14

Each atrium has a flap called an

Answer 14

Auricle

Question 15

Separates the atria from the ventricles

Answer 15

coronary sulcus

Question 16

separate the right and left ventricles

Answer 16

interventricular grooves

Question 17

The ____ separates the ATRIA FROM EACH OTHER

Answer 17

Interatrial septum

Question 18

Separates the ventricles

Answer 18

Interventricular septum

Question 19

Anchor AV valves to papillary muscles

Answer 19

Chordae tendinae

Question 20

Separates the RIGHT ATRIUM and the ventricle

Answer 20

Tricuspid valve

Question 21

Separates the LEFT ATRIUM and the ventricle

Answer 21

Bicuspid valve

Question 22

Prevent backflow of blood intro the ventricles

Answer 22

Semilunar valves

Question 23

Lies between the left ventricle and the aorta

Answer 23

Aortic semilunar valve

Question 24

Lies between the right ventricle and the aorta

Answer 24

Pulmonary semilunar valve

Question 25

is contraction of the atria

Answer 25

Atrial systole

Question 26

is contraction of the ventricles

Answer 26

Ventricular Systole

Question 27

is relaxation of the atria

Answer 27

Atrial diastole

Question 28

is relaxation of the ventricles

Answer 28

Ventricular Diastole

Question 29

(True or false)Heart sounds (lub-dup) are associated with closing of heart valves

Answer 29

True

Question 30

(true or false) First sound occurs as AV valves close and signifies beginning of systole

Answer 30

TRUE

Question 31

(True or False)Second sound occurs when SL valves close at the beginning of ventricular diastole

Answer 31

True

Question 32

is a summative description of all the events that occur during one single heartbeat.

Answer 32

cardiac cycle