Cardiovascular

Question 1

the left side of the heart

Answer 1

Propels blood to the systemic circulation

Question 2

the right side of the heart

Answer 2

Propels blood to the pulmonary circulation

Question 3

The apex of the heart can be localized at the

Answer 3

5th intercostal space left midclavicular line

Question 4

It is the connective tissue that covers the outer surface of the heart.

Answer 4

epicardium

Question 5

This major vessel that drains the deoxygenated blood from the head and upper limbs to the right atrium is the

Answer 5

Superior vena cava

Question 6

The pulmonary veins empty into which cardiac chamber

Answer 6

Left atrium

Question 7

The pulmonary trunk arises from which cardiac chamber?

Answer 7

Right ventricle

Question 8

The aorta arises from which cardiac chamber?

Answer 8

Left ventricle

Question 9

The inferior vena cava empty into which cardiac chamber

Answer 9

Right atrium

Question 10

true about the ventricles?

Answer 10

The left ventricle is thicker than the right ventricle.

Question 11

The mitral valve is located between the

Answer 11

Left atrium and left ventricle

Question 12

These are connective tissue strings that helps keep the AV valves in place

Answer 12

Chordae tendineae

Question 13

What is the purpose of cardiac skeleton?

Answer 13

Serve as attachment site for cardiac muscles

Question 14

Which layer of the cardiac wall is capable of contracting?

Answer 14

Myocardium

Question 15

The pacemaker of the heart is the

Answer 15

SA node

Question 16

true about the AV node?

Answer 16

It has a slower rate of action potential compared to the SA node.

Question 17

cardiac events that occur from the onset of contraction to the beginning of the next

Answer 17

Cardiac Cycle

Question 18

This event in the cardiac cycle is characterized with the closure of AV valves and opening of the semilunar valves

Answer 18

Ventricular systole

Question 19

This event in the cardiac cycle is characterized with the closure of semilunar valves and opening of the AV valves

Answer 19

Ventricular diastole

Question 20

This sound is produced by closure of the AV valves

Answer 20

S1

Question 21

This sound is produced by closure of the semilunar valves

Answer 21

S2

Question 22

This is the volume of blood pumped by the heart every minute

Answer 22

Cardiac output

Question 23

This is the volume of blood pumped by the heart every contraction

Answer 23

Stroke volume

Question 24

This is the degree at which to which the ventricular walls are stretched at the end of the diastole

Answer 24

Preload

Question 25

This is the pressure against which the ventricles must pump blood

Answer 25

Afterload

Question 26

This states that the force or tension developed in a muscle fiber depends on the extent to which the fiber is stretched

Answer 26

Starling's law

Question 27

What is the effect of increased preload to the cardiac output?

Answer 27

Increase cardiac output

Question 28

What is the effect of decreased venous return to the cardiac output?

Answer 28

Decrease cardiac output

Question 29

If the afterload is increased,

Answer 29

the heart has to do more work to eject blood during systole.

Question 30

Stimulation of the parasympathetic nerve fibers will result in

Answer 30

Decreased heart rate and decreased stroke volume

Question 31

Stimulation of the sympathetic nerve fibers will result in

Answer 31

Increased heart rate and increased stroke volume

Question 32

The baroreceptors are sensitive to the changes in

Answer 32

blood pressure

Question 33

The baroreceptors are located in the

Answer 33

aorta and carotid arteries

Question 34

The cardioregulatory center of the body is found in the

Answer 34

Medulla oblongata

Question 35

The chemoreceptors in the regulation of the heart is sensitive to the changes in

Answer 35

pH

Question 36

This term refers to the pressure wave that results from the ejection of blood from the left ventricle into the aorta

Answer 36

Pulse

Question 37

This term refers to the difference between the systolic and diastolic pressure

Answer 37

Pulse pressure

Question 38

In assessing the blood pressure, the pressure at which the last Korotkoff sound is heard corresponds to the

Answer 38

Diastolic pressure

Question 39

In assessing the blood pressure, the pressure at which the first Korotkoff sound is heard corresponds to the

Answer 39

Systolic pressure

Question 40

These are the blood vessels that carry blood away from the heart

Answer 40

Arteries

Question 41

These are the blood vessels that carry blood toward the heart

Answer 41

Veins

Question 42

function of the capillaries?

Answer 42

Its function is for exchange of substances between the blood and tissue.

Question 43

The innermost layer of the blood vessel is the

Answer 43

Tunica intima

Question 44

The outermost layer of the blood vessel is the

Answer 44

Tunica adventitia

Question 45

Which layer of the artery consists of smooth muscle cells arranged circularly?

Answer 45

Tunica media

Question 46

What is the main blood supply to the brain?

Answer 46

Circle of Willis

Question 47

The 3 branches of the aortic arch are the following:

Answer 47

brachiocephalic artery, left common carotid artery, left subclavian artery

Question 48

The coronary arteries branch from which part of the aorta?

Answer 48

Ascending aorta

Question 49

Blood pressure measurements are normally taken through which artery?

Answer 49

Brachial artery

Question 50

At what level of the vertebrae will the common iliac artery bifurcate into external and internal iliac arteries?

Answer 50

L5

Question 51

the vessel that collects blood from the head and neck?

Answer 51

Jugular veins

Question 52

When the internal jugular vein joins with the subclavian veins, it will become the

Answer 52

Superior vena cava

Question 53

This vein in the upper extremity serves as the usual site for blood extraction and connects the cephalic and basilic veins

Answer 53

Median cubital vein

Question 54

The hepatic vein empties into the

Answer 54

Inferior vena cava

Question 55

This vein drains the medial side of the leg and thigh and empties into the femoral vein

Answer 55

Great saphenous vein

Question 56

Left coronary artery major branches

Answer 56

Anterior interventricular artery Circumflex artery Left marginal artery

Question 57

Atrial contraction in ECG reflects as

Answer 57

P wave