The Cardiovascular System

Question 1

About how many times a minute does the average heart beat?

Answer 1

72

Question 2

About how many times a day does the average heart beat?

Answer 2

100,000

Question 3

What are the main parts of the cardiovascular system?

Answer 3

heart, blood vessels, blood

Question 4

Where is your heart located?

Answer 4

bony thorax

Question 5

Which bones surround your heart?

Answer 5

sternum, ribs, thoracic vertebrae

Question 6

How is your heart positioned?

Answer 6

in the center, but the top base tilted to the right shoulder and the bottom apex pointed to the left hip

Question 7

What are some functions of the cardiovascular system?

Answer 7

transport oxygen, transport carbon dioxide, transport nutrients (glucose), transport hormones, pump blood

Question 8

What is the name of the double layered sac that surrounds the heart?

Answer 8

pericardium

Question 9

What are the 3 layers of the heart?

Answer 9

epicardium-outer layer of heart
myocardium-bulk of heart muscle that contracts
endocardium-inner layer of heart (lines the chambers)

Question 10

What kind of blood is in the right side of the heart?

Answer 10

deO2 blood

Question 11

What kind of blood is in the left side of the heart?

Answer 11

O2 blood

Question 12

Where does the right side of the heart send blood to?

Answer 12

the lungs

Question 13

Where does the left side of the heart send blood to?

Answer 13

the body

Question 14

Which valve is between the right atria and ventricle?

Answer 14

tricuspid

Question 15

Which valve is between the left atria and ventricle

Answer 15

mitral (bicuspid)

Question 16

Which valve is between the right ventricle and the pulmonary artery?

Answer 16

pulmonary semilunar valve

Question 17

Which valve is between the left ventricle and the aorta

Answer 17

aortic semilunar valve

Question 18

Where does the pulmonary artery send blood to?

Answer 18

the lungs to get O2

Question 19

Where does the pulmonary vein send blood to?

Answer 19

the left side of the heart to be pumped to the body

Question 20

What kind of blood is in the pulmonary artery?

Answer 20

deO2

Question 21

What kind of blood is in the pulmonary vein?

Answer 21

O2

Question 22

Which chamber of the heart is the thickest and why?

Answer 22

left ventricle because it has hardest job (pumping blood to entire body)

Question 23

What direction does blood flow in arteries?

Answer 23

away from the heart

Question 24

What direction does blood flow in veins?

Answer 24

to the heart

Question 25

Which blood vessels have valves?

Answer 25

veins

Question 26

Which direction should blood flow in the heart?

Answer 26

from the atrium to the ventricles to the greater arteries

Question 27

Which vessels are in contact with cells?

Answer 27

capillaries

Question 28

Capillaries carry which type of blood?

Answer 28

O2 and deO2

Question 29

smaller veins are called?

Answer 29

venules

Question 30

Smaller arteries are called?

Answer 30

arterioles

Question 31

Where does blood from the superior vena cava come from and go to?

Answer 31

comes from the upper body and goes to the R.A.

Question 32

Where does blood from the inferior vena cava come from and go to?

Answer 32

comes from the lower body and goes to the R.A.

Question 33

The largest artery in the body is the?

Answer 33

aorta

Question 34

What can cause a heart valve defect?

Answer 34

congenital (something you are born with), age related changes, infection

Question 35

What is stenosis of the valve?

Answer 35

thickening or stiffening of the valves

Question 36

What is regurgitation?

Answer 36

backflow of blood

Question 37

What is valve atresia

Answer 37

when the valve is not formed or underdeveloped

Question 38

What is cardiac output?

Answer 38

the rhythmic relaxing and contracting of the heart

Question 39

What is diastole?

Answer 39

part of the cardiac cycle when the heart is relaxing and filling with blood

Question 40

What is systole?

Answer 40

part of the cardiac cycle when the heart is contracting

Question 41

Is the pressure greater during systole or diastole?

Answer 41

systole

Question 42

What do the two blood pressure numbers represent? (120/80)

Answer 42

systolic pressure/diastolic pressure

Question 43

When the valves close in the heart, what sounds do they make?

Answer 43

The typical heart sounds "lubb-dupp, lubb-dupp"

Question 44

What is a heart murmur?

Answer 44

A defect of one of the heart valves that causes abnormal heart sounds

Question 45

What does your pacemaker do?

Answer 45

sets the rhythm of your heart

Question 46

Where is the pacemaker found?

Answer 46

in the right atrium

Question 47

What is an AED?

Answer 47

a portable automated external defibrillator that analyzes the rhythm of the heart and applies a shock when needed to "reset" the pacemaker

Question 48

What is pulse?

Answer 48

alternating surges of pressure in an artery that occur with each contraction and relaxation of the left ventricle

Question 49

What are 4 major arteries that pulse can be taken at?

Answer 49

carotid (neck), brachial (elbow), radial (wrist), temporal (in front of ear)

Question 50

What are 4 major arteries that pulse can be taken at?

Answer 50

carotid (neck), brachial (elbow), radial (wrist), temporal (in front of ear)

Question 51

What is a blood pressure cuff called?

Answer 51

sphygmomanometer

Question 52

What are the sounds that you hear through the stethoscope when you take blood pressure called?

Answer 52

sounds of Korotkoff (these are the sounds of the resumption of blood flow in the arm)

Question 53

What are the sounds that you hear through the stethoscope when you take blood pressure called?

Answer 53

sounds of Korotkoff (these are the sounds of the resumption of blood flow in the arm)

Question 54

Differentiate between pulmonary blood flow and systemic blood flow

Answer 54

Pulmonary blood flow is to and from the lungs, systemic blood flow is to and from the body

Question 55

After blood passes through a large artery where does it go next?

Answer 55

smaller arteries called arterioles