Cardiovascular System

Question 1

This is also known as the heart muscle.

Answer 1

Myocardium

Question 2

Contains pericardial fluid that prevents heart friction.

Answer 2

Serous pericardium

Question 3

Protects and anchors the heart, prevents overfilling of the heart with blood.

Answer 3

Fibrous pericardium

Question 4

Valves that prevent back flow of blood into the the ventricles.

Answer 4

Semilunar valves

Question 5

This is the measurement of the amount of pressure during contraction.

Answer 5

Systole - Systolic numerator

Question 6

This is the measurement of the amount of pressure during relaxation.

Answer 6

Diastole - Diastolic denominator

Question 7

This valve separates the right atrium and ventricle.

Answer 7

Tricuspid Valve

Question 8

This valve separates the left atrium and ventricle.

Answer 8

Bicuspid Valve

Question 9

All arteries contain oxygenated blood except the pulmonary artery. True or False.

Answer 9

True

Question 10

All veins contain deoxygenated blood except the pulmonary vein. True or False.

Answer 10

True

Question 11

Baroreceptors modifies heart rate. True or False

Answer 11

False - Cardio Regulatory Center modifies heart rate.

Question 12

Baroreceptors monitor blood pressure. True or False.

Answer 12

True

Question 13

In response to a decrease in blood pressure, the baroreceptor reflexes _____ heart rate.

A. Increase
B. Decrease

Answer 13

A. Increase

Question 14

When blood pressure increases, the baroreceptors reflexes ______ heart rate.

A. Increase
B. Decrease

Answer 14

B. Decrease

Question 15

Name all types of blood vessels.

Answer 15

Arteries
Veins
Capillaries

Question 16

These vessels carry blood away from the heart and toward the capillaries. This is where exchange between the blood and interstitial fluid occurs.

Answer 16

Arteries

Question 17

These vessels carry blood from the capillaries toward the heart.

Answer 17

Veins

Question 18

Blood vessels except capillaries have three layers. Name all three.

Answer 18

1. Tunica intima - Inner
2. Tunica media - Middle
3. Tunica adventitia - Outer

Question 19

This layer of a blood vessel consists of endothelium (simple squamous epithelium), basement membrane, and internal elastic lamina.

Answer 19

Tunica intima - Inner

Question 20

This layer of blood vessel contains circular smooth muscle and collagen fibers.

Answer 20

Tunica media - Middle

Question 21

This layer of the blood vessel acts as the connective tissue.

Answer 21

Tunica adventitia - Outer

Question 22

The thickness and the composition of the layers vary with blood vessel type and diameter. True or False.

Answer 22

True

Question 23

These are the smallest arteries, and are deeper in the body, protected at all cost.

Answer 23

Arterioles

Question 24

These are the thoroughfare channels carry blood from arterioles to venules.

Answer 24

Capillaries

Question 25

Veins ____, Arteries ______ A. drain, pump B. pump, drain

Answer 25

B. pump, drain

Question 26

This condition is the deposition of material in the arterial walls forming plaques, this is one of the effects of aging of the arteries.

Answer 26

Altherosclerosis

Question 27

This is a result from a loos of elasticity in the aorta, large arteries, and coronary arteries.

Answer 27

Arteriosclerosis

Question 28

This circulation involves arteries carrying blood from the left ventricle of the heart to all parts of the body.

Answer 28

Systemic circulation

Question 29

This circulation involves the movement of blood to and from the lungs.

Answer 29

Pulmonary circulation

Question 30

Pulmonary trunk arises from _____ ventricle and divides to form the pulmonary arteries which project to the lungs. A. Right B. Left

Answer 30

A. Right

Question 31

This artery divides to form the right common carotid and the right subclavian arteries.

Answer 31

Brachiocephalic artery

Question 32

Which jugular vein drains the dural venous sinuses and the veins of the anterior head, face, and neck.

Answer 32

The internal jugular vein

Question 33

Which jugular vein together with the vertebral veins drain the posterior head and neck.

Answer 33

The external jugular vein

Question 34

This is a measure of the force extended by blood against the blood vessel wall.

Answer 34

Blood pressure

Question 35

It is the difference between systolic and diastolic pressures.

Answer 35

Pulse pressure

Question 36

It is the measure of the change in volume of blood vessels produced by a change in pressure.

Answer 36

Vascular compliance

Question 37

Pulse pressure waves travel through the vascular system _____ than the blood flows. A. Higher B. Slower C. Faster D. Lower

Answer 37

C. Faster

Question 38

These hormones causes vasoconstriction in most tissues.

Answer 38

Epinephrine and norepinephrine

Question 39

Epinephrine causes vasodilation in which muscles?

Answer 39

Skeletal and cardiac muscles

Question 40

Exercising muscles all throughout the body ______ blood flow. A. Increases B. Decreases

Answer 40

A. Increases

Question 41

Increase in blood flow, lowers peripheral resistance. True or False.

Answer 41

True

Question 42

This collects blood from the upper body, such as the head, neck, thorax, and upper limbs.

Answer 42

Superior Vena Cava

Question 43

This collects blood from the lower body, such as the abdomen, pelvis, and lower limbs.

Answer 43

Inferior Vena Cava

Question 44

It is your body's largest vein.

Answer 44

Inferior Vena Cava

Question 45

What are the three layers of the Heart Wall?

Answer 45

1. Epicardium 2. Myocardium 3. Endocardium

Question 46

This layer of the heart wall contains blood vessels, and is the outer layer.

Answer 46

Epicardium

Question 47

It is the middle layer of the heart wall that is composed of contractile tissues.

Answer 47

Myocardium

Question 48

It is the innermost layer of the heart wall and composes the valves, inner lining of the chambers, and contains vessels and nerves.

Answer 48

Endocardium

Question 49

What is the considered normal blood pressure for most adults?

Answer 49

120/80

Question 50

A normal resting heart rate should be ______. A. 45 - 80 beats per minute B. 60 - 80 beats per minute C. 45 - 100 beats per minute D. 60 - 100 beats per minute

Answer 50

D. 60 - 100 beats per minute