Cardiovascular System Exam

Question 1

Major vessel that exits the heart to deliver oxygenated blood to the body

Answer 1

aorta

Question 2

Pulmonary vessels of the heart deliver blood to and from the what

Answer 2

Lungs

Question 3

Cardiac muscle is _____ and _____

Answer 3

Striated and involuntary

Question 4

Recording of the electrical activity of the heart is

Answer 4

ECG - electrocardiogram

Question 5

Another name for the aortic and pulmonary valves

Answer 5

Semilunar valves

Question 6

What valve allows blood to flow into the lungs from the right ventricle

Answer 6

Pulmonary

Question 7

Vessel that travels along the central aspect of each side of the neck from the mandible to the shoulder

Answer 7

Jugular

Question 8

Sympathetic nervous system affects a patients cardiac output:
Strike volume and heart rate?

Answer 8

SV: increases
HR: increases

Question 9

Valve that separates the left atrium and the left ventricle

Answer 9

Bicuspid (mitral)

Question 10

Part of the cardiac cycle when the ventricles are contracting

Answer 10

Depolarization (systole)

Question 11

Part of the cardiac cycle when the ventricles are relaxing

Answer 11

Repolarization (diastole)

Question 12

Part of the cardiac cycle that causes a “dub” sound is due to what

Answer 12

Pulmonary and aortic

Question 13

Muscular layer of the heart that makes up most of the hearts mass

Answer 13

Myocardium

Question 14

General arteries carry blood in which direction

Answer 14

Away from heart

Question 15

Caudal part of the outermost layer of the heart is attached loosely to the what

Answer 15

Diaphragm

Question 16

What happens to the bypasses in the fetal circulation after a newborn takes its first breath

Answer 16

Closes / constricts

Question 17

In a healthy heart the heartbeat is initiated by the what?

Answer 17

SA Node

Question 18

From superficial to deep, what is the order of the layers of the heart

Answer 18

Fibrous pericardium, serous pariatal, visceral, myocardium, endocardium

Question 19

The wave on an electrocardiogram that is associated with the atrial wall depolarization is the what

Answer 19

P wave

Question 20

______ is the amount of blood that is ejected from the heart with each cardiac contraction

Answer 20

Stroke volume

Question 21

Where does deoxygenated blood enter the heart?

Answer 21

Right atrium

Question 22

The blood vessels are the smallest. They are thin walled and have no muscle layer in them

Answer 22

Capillaries

Question 23

In what vessels does oxygen and nutrient exchange occur?

Answer 23

Capillaries

Question 24

What is the name of the fibrous strands that anchor the leaflets of the AV valves to keep them from prolapsing into the atria

Answer 24

Chordae tendenae

Question 25

What vessel/s does deoxygenated blood enter the heart through?

Answer 25

Vena cava

Question 26

What is the bypass in fetal circulation that lies between the right and the left atria which allows blood from the right atrium to flow directly into the left atrium

Answer 26

Foramen ovale

Question 27

The bundle of his runs down the _______ to the bottom of the right and left ventricles

Answer 27

Interventricular septum

Question 28

What is the only vein in the body that carries oxygenated blood?

Answer 28

Pulmonary

Question 29

What is the only artery in the body that carries deoxygenated blood?

Answer 29

Pulmonary

Question 30

The major vessel that carries oxygenated blood from the lungs to the heart

Answer 30

Pulmonary vein

Question 31

The SA Node is located in the wall of which chamber

Answer 31

Right atria

Question 32

How does the flight or fight response affect cardiac output

Answer 32

In creases it

Question 33

Where does the blood drop off CO2 and pick up oxygen

Answer 33

Lungs

Question 34

Where are the coronary arteries and veins located

Answer 34

Heart

Question 35

The muscular structure that separates the left and right ventricles in the interventricular ________

Answer 35

Septum

Question 36

What generates a T wave

Answer 36

Ventricular Repolarization (diastole)

Question 37

What generates the QRS complex

Answer 37

Ventricular contraction (systole)

Question 38

What vessel is under the greatest amount of pressure from the contractions of the heart?

Answer 38

Aorta

Question 39

Which valve delegates the right atrium from the right ventricle

Answer 39

Tricuspid

Question 40

How does general anesthesia affect cardiac output

Answer 40

Decreases it

Question 41

The cranial and caudal vena cava empty into the heart where

Answer 41

Right atrium

Question 42

In what order do the electrical impulses flow through out the heart

Answer 42

SA Node, AV Node, Bundle of HIS, perkinji fibers

Question 43

Where does the fetus receive oxygen from

Answer 43

Placenta - mother

Question 44

The part of the cardiac cycle that causes the "Lub" sound is due to what

Answer 44

Tricuspid and mitral valves (av valves)

Question 45

What attaches the chordae tendonae to the interventricular septum

Answer 45

Papillary muscles

Question 46

What is known as the pace maker of the heart

Answer 46

SA Node

Question 47

Oxygen and carbon dioxide exchange occurs via what membrane process

Answer 47

Diffusion

Question 48

The space between the lungs where the heart is located

Answer 48

Mediastinum

Question 49

Valvular insufficiency or stenosis may cause a

Answer 49

Murmur

Question 50

The simple squamous epithelium that lines the lumen of the blood vessels is called the

Answer 50

Endothelium

Question 51

The rate of alternating stretching and recoiling of elastic fibers in an artery as blood passes through with each heart beat

Answer 51

Pulse

Question 52

The measurement of the amount of pressure that the flowing blood exerts on arterial walls is

Answer 52

Blood pressure

Question 53

What type of muscle is present in the walls of vessels

Answer 53

Smooth