cardiovascular

Question 1

average size of the heart

Answer 1

14 cm long, 9 cm wide

Question 2

serous membrane of connective tissue covered with epithelium and including blood capillaries, lymph capillaries and nerve fibers

Answer 2

epicardium

Question 3

forms a protective outer covering; secretes serous fluid

Answer 3

epicardium

Question 4

cardiac muscle tissue seperated by connective tissues and including blood capillaries, lymph capillaries and nerve fibers

Answer 4

myocardium

Question 5

contracts to pump blood from the heart chambers

Answer 5

myocardium

Question 6

membrane of epithelium and underlying connective tissue, including blood vessels and specialized muscle fibers

Answer 6

endocardium

Question 7

forms a protective inner lining of the chambers and valves

Answer 7

endocardium

Question 8

receives blood from inf and sup vena cava and coronary sinus

Answer 8

right atrium

Question 9

receives blood from pulmonary veins

Answer 9

left atrium

Question 10

receives blood from right atrium

Answer 10

right ventricle

Question 11

receives blood from left atrium

Answer 11

left ventricle

Question 12

prevents blood from moving from right vent into right atr5 during ventrivular contraction

Answer 12

tricuspid valve

Question 13

prevents blood from moving from the pulmonary trunk into right vent during ventricular relaxation

Answer 13

pulmonary valve

Question 14

prevents blood from moving from left vent into left atr during ventr contraction

Answer 14

mitral valve

Question 15

prevents blood from moving from aorta into left vent during vent relaxation

Answer 15

aortic valve

Question 16

blood flows passively into ventricles

Answer 16

atrial systole/ventricular diastole

Question 17

remaining 30% of the blood pushed into ventricles

Answer 17

atrial systole/ventricular diastole

Question 18

a-v valves open

Answer 18

atrial systole/ventricular diastole

Question 19

semilunar valves closed

Answer 19

atrial systole/ventricular diastole

Question 20

ventricles relaxed

Answer 20

atrial systole/ventricular diastole

Question 21

ventricular pressure increases

Answer 21

atrial systole/ventricular diastole

Question 22

a-v valves close

Answer 22

ventricular systole/atrial diastole

Question 23

atria relaxed

Answer 23

ventricular systole/atrial diastole

Question 24

blood flows into atria

Answer 24

ventricular systole/atrial diastole

Question 25

ventricular pressure increase

Answer 25

ventricular systole/atrial diastole

Question 26

semilunar valves open

Answer 26

ventricular systole/atrial diastole

Question 27

blood flows into pulmonary trunk and aorta

Answer 27

ventricular systole/atrial diastole

Question 28

first heart sound

Answer 28

lubb

Question 29

occurs during ventricular systole

Answer 29

lubb

Question 30

a-v valves closing

Answer 30

lubb

Question 31

second heart sound

Answer 31

dupp

Question 32

occurs during ventricular diastole

Answer 32

dupp

Question 33

pulmonary and aortic semilunar valves closing

Answer 33

dupp

Question 34

abnormal heart sound

Answer 34

murmur

Question 35

atrial depolarization

Answer 35

p wave

Question 36

ventricular depolarization

Answer 36

qrs wave

Question 37

ventricular repolarization

Answer 37

t wave

Question 38

rapid, uncoordinated depolarization of ventricles

Answer 38

ventricular fibrillation

Question 39

rapid heartbeat

Answer 39

tachycardia

Question 40

rapid rate of atrial depolarization

Answer 40

atrial flutter

Question 41

impulses that decrease heart action

Answer 41

parasympathetic

Question 42

impulses that increase heart action

Answer 42

sympathetic

Question 43

carries blood away from the vent of the heart

Answer 43

arteries

Question 44

receives blood from the arteries

Answer 44

arterioles

Question 45

carry blood to the capillaries

Answer 45

arterioles

Question 46

site of exchange of substances between blood and body cells

Answer 46

capillaries

Question 47

receives blood from the capillaries

Answer 47

venules

Question 48

carry blood toward vent of the heart

Answer 48

veins

Question 49

smallest diameter blood vessels

Answer 49

capillaries

Question 50

leaky capillaries

Answer 50

sinusoids

Question 51

extensions of inning lining of arterioles

Answer 51

capillaries

Question 52

serves as blood reservoir

Answer 52

vein

Question 53

carries blood under relatively low pressure

Answer 53

vein

Question 54

force the blood exerts against the inner walls of the blood vessels

Answer 54

blood pressure

Question 55

maximum pressure

Answer 55

systolic pressure

Question 56

minimum pressure

Answer 56

diastolic pressure

Question 57

alternate expanding and recoiling of the arterial wall

Answer 57

pulse

Question 58

pressure in the right atrium

Answer 58

central venous pressure

Question 59

consists of vessels that carry blood from the heart to the lungs back to the heart

Answer 59

pulmonary circuit

Question 60

composed of vessels that lead from the heart to all body parts

Answer 60

systemic circuit

Question 61

includes the system of veins that return blood to the right atrium

Answer 61

systemic circuit

Question 62

also known as the circle of willis

Answer 62

cerebral arterial circle

Question 63

formed by anterior and posterior cerebral arteries, which join the internal carotid arteries

Answer 63

cerebral arterial circle