Question 1

The outermost layer of the pericardial sac is the ____.&#8203;&#10;A) &#8203;visceral pericardium&#10;B) &#8203;serous pericardium&#10;C) &#8203;myocardium&#10;D) &#8203;fibrous pericardium

Accepted Answer

D

Question 2

Blood flow from the lower portions of the body return to the heart via the ____ vena cava.&#8203;&#10;A) &#8203;anterior&#10;B) &#8203;medial&#10;C) &#8203;inferior&#10;D) &#8203;lateral

Accepted Answer

C

Question 3

The coronary arteries supply blood to the ____.&#8203;&#10;A) &#8203;heart&#10;B) &#8203;lungs&#10;C) &#8203;kidneys&#10;D) &#8203;liver

Accepted Answer

A

Question 4

The bundle of ____ distributes the electrical charge over the medial surfaces of the ventricles.&#8203;&#10;A) &#8203;His&#10;B) &#8203;Purkinje&#10;C) &#8203;sinoatrium&#10;D) &#8203;myoatrium

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The answer of The bundle of ____ distributes the electrical...

Question 5

The atrioventricular node is known as the pacemaker.&#8203;

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The answer of The atrioventricular node is known as the...

Question 6

Cords called the chordae ____ connect the pointed ends of the cusps of the AV valves to the papillary muscles.&#8203;&#10;A) &#8203;ligaments&#10;B) &#8203;tendineae&#10;C) &#8203;muscles&#10;D) &#8203;ligamentum

Accepted Answer

The answer of Cords called the chordae ____ connect the...

Question 7

The second layer of the wall of the heart, the ____, makes up the bulk of the heart.&#8203;&#10;A) &#8203;epicardium&#10;B) &#8203;myocardium&#10;C) &#8203;endocardium&#10;D) &#8203;pericardium

Accepted Answer

The answer of The second layer of the wall of...

Question 8

The groove that separates the atria from the ventricles is called the coronary ____.&#8203;&#10;A) &#8203;gyrus&#10;B) &#8203;trabecula&#10;C) &#8203;sulcus&#10;D) &#8203;pectinati

Accepted Answer

The answer of The groove that separates the atria from...

Question 9

The ____ circulation is the blood circulatory route that supplies the myocardium of the heart.&#8203;&#10;A) &#8203;cerebral&#10;B) &#8203;coronary&#10;C) &#8203;pulmonary&#10;D) &#8203;renal

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The answer of The ____ circulation is the blood circulatory...

Question 10

The outermost layer of the pericardial sac is the serous pericardium&#8203;

Accepted Answer

The answer of The outermost layer of the pericardial sac...

Question 11

The ____ circulation supplies the brain with oxygen and nutrients and disposes of waste.&#8203;&#10;A) &#8203;cerebral&#10;B) &#8203;coronary&#10;C) &#8203;pulmonary&#10;D) &#8203;renal

Accepted Answer

The answer of The ____ circulation supplies the brain with...

Question 12

The irregular ridges and folds of the ventricles are called the ____.&#8203;&#10;A) &#8203;trabeculae carneae&#10;B) &#8203;auricles&#10;C) &#8203;sulci&#10;D) &#8203;gyri

Accepted Answer

The answer of The irregular ridges and folds of the...

Question 13

The tunica ____ of arteries and veins is composed of a single layer of endothelial cells.&#8203;&#10;A) &#8203;media&#10;B) &#8203;adventitia&#10;C) &#8203;myomedia&#10;D) &#8203;intima

Accepted Answer

The answer of The tunica ____ of arteries and veins...

Question 14

The ____ vena cava brings blood from the upper parts of the body, the head, neck, and arms to the heart.&#8203;&#10;A) &#8203;inferior&#10;B) &#8203;medial&#10;C) &#8203;lateral&#10;D) &#8203;superior

Accepted Answer

The answer of The ____ vena cava brings blood from...

Question 15

The atrioventricular valve between the left atrium and the left ventricle is known as the ____ valve.&#8203;&#10;A) &#8203;tricuspid&#10;B) &#8203;bicuspid&#10;C) &#8203;pulmonary&#10;D) &#8203;aortic

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The answer of The atrioventricular valve between the left atrium...

Question 16

Systole is the term used to refer to the phase of relaxation.&#8203;

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The answer of Systole is the term used to refer...

Question 17

The pulmonary semilunar valve is found in the right ventricle.&#8203;

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The answer of The pulmonary semilunar valve is found in...

Question 18

Oxygenated blood returns to the heart from the lungs via four pulmonary ____.&#8203;&#10;A) &#8203;arteries&#10;B) &#8203;arterioles&#10;C) &#8203;veins&#10;D) &#8203;venules

Accepted Answer

The answer of Oxygenated blood returns to the heart from...

Question 19

The outermost layer of the wall of the heart is the ____.&#8203;&#10;A) &#8203;serous pericardium&#10;B) &#8203;epicardium&#10;C) &#8203;endocardium&#10;D) &#8203;myocardium

Accepted Answer

The answer of The outermost layer of the wall of...

Question 20

The left ventricle has walls that are thicker than the right ventricle.&#8203;

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The answer of The left ventricle has walls that are...

Question 21

A ____ is an abnormal heart sound akin to a fluttering or a humming sound.&#8203;&#10;A) &#8203;stenosis&#10;B) &#8203;thrombosis&#10;C) &#8203;pectoris&#10;D) &#8203;murmur

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The answer of A ____ is an abnormal heart sound...

Question 22

The heart beats about ____________________ times per minute.&#8203;

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The answer of The heart beats about ____________________ times per...

Question 23

A narrowed opening through the valves of the heart is called a(n) ____.&#8203;&#10;A) &#8203;infarct&#10;B) &#8203;stenosis&#10;C) &#8203;embolus&#10;D) &#8203;thrombus

Accepted Answer

The answer of A narrowed opening through the valves of...

Question 24

The presence of ____ keeps blood from backflowing in the heart.&#8203;&#10;A) &#8203;atria&#10;B) &#8203;ventricles&#10;C) &#8203;valves&#10;D) &#8203;septa

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The answer of The presence of ____ keeps blood from...

Question 25

Heart disease present at birth is known as ____________________ heart disease.&#8203;

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The answer of Heart disease present at birth is known...

Question 26

The mitral valve is also called the ____.&#8203;&#10;A) &#8203;bicuspid&#10;B) &#8203;tricuspid&#10;C) &#8203;aortic semilunar&#10;D) &#8203;pulmonary semilunar

Accepted Answer

The answer of The mitral valve is also called the...

Question 27

The right and left renal arteries supply blood to the ____.&#8203;&#10;A) &#8203;kidneys&#10;B) &#8203;stomach&#10;C) &#8203;bladder&#10;D) &#8203;heart

Accepted Answer

The answer of The right and left renal arteries supply...

Question 28

The ____ arteries supply muscles of the thorax.&#8203;&#10;A) &#8203;coronary&#10;B) &#8203;renal&#10;C) &#8203;gonadal&#10;D) &#8203;intercostal

Accepted Answer

The answer of The ____ arteries supply muscles of the...

Question 29

Any deviation from a normal heartbeat rhythm is called ____.&#8203;&#10;A) &#8203;arrhythmia&#10;B) &#8203;stenosis&#10;C) &#8203;infarction&#10;D) &#8203;thrombosis

Accepted Answer

The answer of Any deviation from a normal heartbeat rhythm...

Question 30

Microscopic vessels composed of simple squamous epithelial cells are called ____.&#8203;&#10;A) &#8203;venules&#10;B) &#8203;capillaries&#10;C) &#8203;arterioles&#10;D) &#8203;lumens

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The answer of Microscopic vessels composed of simple squamous epithelial...

Question 31

The heart is situated in the ____ surrounded by the pericardial sac.&#8203;&#10;A) &#8203;peritoneum&#10;B) &#8203;mediastinum&#10;C) &#8203;pleura&#10;D) &#8203;myocardium

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The answer of The heart is situated in the ____...

Question 32

Capillaries are connected to veins by ____.&#8203;&#10;A) &#8203;venules&#10;B) &#8203;bronchioles&#10;C) &#8203;arterioles&#10;D) &#8203;lymphatics

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The answer of Capillaries are connected to veins by ____.&#8203;&#10;A)...

Question 33

The heart is innervated by the ____________________ nervous system.&#8203;

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The answer of The heart is innervated by the ____________________...

Question 34

The ____________________ is the largest artery in the body.&#8203;

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The answer of The ____________________ is the largest artery in...

Question 35

A disease of the arteries in which cholesterol-containing masses accumulate on the inside of arterial walls is called ____________________.&#8203;

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The answer of A disease of the arteries in which...

Question 36

The ____ portal vein drains the organs of the digestive tract and then continues to the liver.&#8203;&#10;A) &#8203;hepatic&#10;B) &#8203;renal&#10;C) &#8203;urinary&#10;D) &#8203;saphenous

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The answer of The ____ portal vein drains the organs...

Question 37

The reconstruction of a diseased coronary artery by inserting a small balloon through the aorta and into a coronary artery is a procedure known as ____.&#8203;&#10;A) &#8203;atherosclerosis&#10;B) &#8203;stenosis&#10;C) &#8203;anastomosis&#10;D) &#8203;angioplasty

Accepted Answer

The answer of The reconstruction of a diseased coronary artery...

Question 38

An average cardiac cycle takes ____ seconds.&#8203;&#10;A) &#8203;2&#10;B) &#8203;0.8&#10;C) &#8203;0.2&#10;D) &#8203;8

Accepted Answer

The answer of An average cardiac cycle takes ____ seconds.&#8203;&#10;A)...

Question 39

Inadequate blood flow can cause an ____, an area of damaged cardiac tissue.&#10;A) &#8203;intercostal&#10;B) &#8203;anastomoses&#10;C) &#8203;infarct&#10;D) &#8203;embolus

Accepted Answer

The answer of Inadequate blood flow can cause an ____,...

Question 40

The hollow core of a blood vessel is called the ____.&#8203;&#10;A) &#8203;anastomosis&#10;B) &#8203;endocardium&#10;C) &#8203;lumen&#10;D) &#8203;tunic

Accepted Answer

The answer of The hollow core of a blood vessel...

Question 41

Matching&#10;Match the description with the corresponding term.&#8203;&#10;a.&#8203;SA node&#10;b.&#8203;Purkinje's fibers&#10;c.&#8203;systole&#10;d.&#8203;capillaries&#10;e.&#8203;myocardium&#10;f.&#8203;diastole&#10;g.&#8203;ventricle&#10;h.&#8203;artery&#10;i.&#8203;tunica media&#10;j.anastomosis&#10;&#8203;muscular layer of blood vessels

Accepted Answer