Question 1

Which of the following are functions of the cardiovascular system?

Accepted Answer

Combat hemorrhage and blood loss.

Answer

Digest, adsorb, and eliminate ingested substances.

Answer

Produce heat, maintain posture, and produce movement.

Answer

Regulate the reproductive process and help the body adapt during stress.

Question 2

Which of the following is NOT a characteristic of blood?

Accepted Answer

Its pH is slightly acid.

Answer

It is a viscous fluid that is thicker and more adhesive than water.

Answer

It is slightly warmer than normal body temperature.

Answer

Its color varies from bright scarlet red to dull maroon.

Question 3

Blood cells are mainly formed where?

Accepted Answer

Red bone marrow

Answer

Hepatic portal system

Answer

Liver and spleen

Answer

Aortic and coronary sinus

Question 4

Which of the following transports oxygen and carbon dioxide to and from body cells?

Accepted Answer

Erythrocytes

Answer

Leukocytes

Answer

Fibroblasts

Answer

Platelets

Question 5

Which of the following contains hemoglobin?

Accepted Answer

Erythrocytes

Answer

Leukocytes

Answer

Fibroblasts

Answer

Platelets

Question 6

Which of the following serves as part of the body’s immune response?

Accepted Answer

Leukocytes

Answer

Platelets

Answer

Erythrocytes

Answer

Red blood cells

Question 7

Neutrophils, eosinophils, basophils, monocytes, and lymphocytes are all types of what?

Accepted Answer

Leukocytes

Answer

Platelets

Answer

Red blood cells

Answer

Erythrocytes

Question 8

Which of the following is another term for thrombocytes?

Accepted Answer

Platelets

Answer

Erythrocytes

Answer

Leukocytes

Answer

Red blood cells

Question 9

What straw-colored liquid helps transport blood cells?

Accepted Answer

Plasma

Answer

Cytosol

Answer

Lymph

Answer

Interstitial fluid

Question 10

Which of the following blood types is called the universal donor?

Accepted Answer

Type O

Answer

Type A

Answer

Type AB

Answer

Type B

Question 11

What determines whether blood is bright red or dull brick red in color?

Accepted Answer

Oxygen content

Answer

White blood cell count

Answer

Platelet count

Answer

Iron content

Question 12

Which of the following is a term used to describe blood cell production?

Accepted Answer

Hematopoiesis

Answer

Hyperemia

Answer

Remodeling

Answer

Ossification

Question 13

The surfaces of which of the following may contain proteins that are used to classify blood types  A, B, AB, and O?

Accepted Answer

Erythrocytes

Answer

Platelets

Answer

Leukocytes

Answer

Fibroblasts

Question 14

Which of the following can release substances that activate blood clotting?

Accepted Answer

Platelets

Answer

Erythrocytes

Answer

Leukocytes

Answer

Red blood cells

Question 15

Which of the following vitamins is needed for blood to coagulate?

Accepted Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin E

Answer

Vitamin C

Question 16

What percentage of blood is plasma?

Accepted Answer

55%

Answer

10%

Answer

90%

Answer

25%

Question 17

Which of the following blood types does NOT have antigen A and antigen B?

Accepted Answer

Type O

Answer

Type AB

Answer

Type A

Answer

Type B

Question 18

Which of the following blood types is called the universal recipient?

Accepted Answer

Type AB

Answer

Type B

Answer

Type O

Answer

Type A

Question 19

Which of the following is the muscular layer of the heart?

Accepted Answer

Myocardium

Answer

Epicardium

Answer

Endocardium

Answer

Pericardium

Question 20

Which of the following are the superior heart chambers?

Accepted Answer

Atria

Answer

Varicosities

Answer

Ventricles

Answer

Aneurysm

Question 21

Which of the following are the inferior heart chambers?

Accepted Answer

Ventricles

Answer

Aneurysm

Answer

Atria

Answer

Varicosities

Question 22

Which of the following are located between the right and left heart chambers and between the ventricles and some of the great vessels?

Accepted Answer

Heart valves

Answer

Carotid bifurcations

Answer

Coronary sinuses

Answer

Atrioventricular septum

Question 23

Which of the following valves is the right atrioventricular valve?

Accepted Answer

Tricuspid valve

Answer

Aortic valve

Answer

Pulmonary valve

Answer

Mitral valve

Question 24

Which of the following valves is also called the bicuspid valve?

Accepted Answer

Mitral valve

Answer

Pulmonary valve

Answer

Aortic valve

Answer

Tricuspid valve

Question 25

Which of the following valves is located between the aorta and the left ventricle?

Accepted Answer

Aortic valve

Answer

Mitral valve

Answer

Tricuspid valve

Answer

Pulmonary valve

Question 26

Which of the following valves is located between the pulmonary trunk and the right ventricle?

Accepted Answer

Pulmonary valve

Answer

Aortic valve

Answer

Tricuspid valve

Answer

Mitral valve

Question 27

What creates the sounds of a beating heart?

Accepted Answer

Closure of the valves

Answer

Superior vena cava and pulmonary veins emptying into the atria

Answer

Nerve impulses along the conduction system

Answer

Closure of the ventricles

Question 28

What is the sequence of events from the beginning of one heartbeat to the beginning of the next called?

Accepted Answer

Cardiac cycle

Answer

Cardiac pulse

Answer

Cardiac circuit

Answer

Cardiac pattern

Question 29

Which of the following is the number of cardiac cycles that occur in 1 minute?

Accepted Answer

Heart rate

Answer

Blood pressure

Answer

Heart murmur

Answer

Conduction system

Question 30

Which of the following generates the heartbeat and sets its pace?

Accepted Answer

SA node

Answer

Bundle of His

Answer

AV node

Answer

Purkinje fibers

Question 31

Which of the following parts of the heart’s conduction system is located in the interventricular septum?

Accepted Answer

Bundle of His

Answer

SA node

Answer

AV node

Answer

Purkinje fibers

Question 32

Tachycardia is heartbeat of how many beats per minute?

Accepted Answer

More than 100

Answer

Fewer than 50

Answer

60 to 70

Answer

72 to 80

Question 33

Bradycardia is heartbeat of how many beats per minute?

Accepted Answer

Fewer than 50

Answer

72 to 80

Answer

60 to 70

Answer

More than 100

Question 34

Receives blood from all parts of the body except the lungs

Accepted Answer

Right atrium

Answer

Left ventricle

Answer

Left atrium

Answer

Right ventricle

Question 35

Delivers blood to the right ventricle

Accepted Answer

Right atrium

Answer

Left ventricle

Answer

Right ventricle

Answer

Left atrium

Question 36

Receives blood from the superior and inferior vena cavae and the coronary sinus

Accepted Answer

Right atrium

Answer

Right ventricle

Answer

Left atrium

Answer

Left ventricle

Question 37

Receives blood from the pulmonary veins

Accepted Answer

Left atrium

Answer

Right ventricle

Answer

Right atrium

Answer

Left ventricle

Question 38

Delivers blood into left ventricle

Accepted Answer

Left atrium

Answer

Left ventricle

Answer

Right ventricle

Answer

Right atrium

Question 39

Receives blood from the right atrium

Accepted Answer

Right ventricle

Answer

Left atrium

Answer

Left ventricle

Answer

Right atrium

Question 40

Pumps blood through the pulmonary trunk and into the pulmonary arteries

Accepted Answer

Right ventricle

Answer

Left atrium

Answer

Right atrium

Answer

Left ventricle

Question 41

Contains the thickest heart wall

Accepted Answer

Left ventricle

Answer

Right ventricle

Answer

Left atrium

Answer

Right atrium

Question 42

Pumps blood into the aorta

Accepted Answer

Left atrium

Answer

Left ventricle

Answer

right atrium

Answer

Right ventricle

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