Question 1

The sinoatrial node is sometimes called the pacemaker of the heart.

Accepted Answer

A) True 
 B)False

Question 2

Every blood vessel in the body has the tunica media layer.

Accepted Answer

A) True 
 B)False

Question 3

Match the structure with the description.
-Blood vessel into which blood in the right ventricle is pushed

Accepted Answer

A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava 
A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava

Question 4

The cardiac output will always be larger than the stroke volume.

Accepted Answer

A) True 
 B)False

Question 5

The last blood vessel of pulmonary circulation is the

Accepted Answer

A)  pulmonary artery 
B)  pulmonary vein 
C)  aorta 
D)  superior vena cava 
A)  pulmonary artery 
B)  pulmonary vein 
C)  aorta 
D)  superior vena cava

Question 6

The Purkinje fibers and the bundle of His are involved in the contraction of the ventricles.

Accepted Answer

A) True 
 B)False

Question 7

The apex of the heart lies on the diaphragm muscle.

Accepted Answer

A) True 
 B)False

Question 8

Match the structure with the description.
-Blood vessel that returns blood to the right atrium

Accepted Answer

A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava 
A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava

Question 9

The ductus venosus connects the umbilical vein directly to the inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 10

The T wave tracing measures atrial repolarization.

Accepted Answer

A) True 
 B)False

Question 11

The first blood vessel of systemic circulation is the

Accepted Answer

A)  pulmonary artery 
B)  pulmonary vein 
C)  aorta 
D)  superior vena cava 
A)  pulmonary artery 
B)  pulmonary vein 
C)  aorta 
D)  superior vena cava

Question 12

Match the structure with the description.
-Valve that blood in the left ventricle passes through

Accepted Answer

A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava 
A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
E) Tricuspid valve
F)Mitral valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Aorta
J)Pulmonary artery
K)Pulmonary vein
L)Inferior vena cava

Question 13

In general,as blood volume in the arteries increases,the blood pressure increases.

Accepted Answer

A) True 
 B)False

Question 14

Smooth muscle cells called precapillary sphincters guard the entrances to capillaries and determine the amount of blood that will flow into each capillary.

Accepted Answer

A) True 
 B)False

Question 15

Match each term with its definition or description.
-Discharging chambers of the heart

Accepted Answer

A) Atria 
B) Ventricles 
C) Tricuspid valve 
D) Bicuspid valve 
E) Chordae tendineae
F)Semilunar
G)Parietal pericardium
H)Myocardium
I)Epicardium
J)Endocardium 
A) Atria 
B) Ventricles 
C) Tricuspid valve 
D) Bicuspid valve 
E) Chordae tendineae
F)Semilunar
G)Parietal pericardium
H)Myocardium
I)Epicardium
J)Endocardium

Question 16

The "pacemaker" for the heart is usually the

Accepted Answer

A)  sinoatrial node 
B)  Purkinje fibers 
C)  bundle of His 
D)  atrioventricular bundle 
A)  sinoatrial node 
B)  Purkinje fibers 
C)  bundle of His 
D)  atrioventricular bundle

Question 17

The hepatic portal system sends blood through two sets of capillary beds rather than the usual one set of capillaries.

Accepted Answer

A) True 
 B)False

Question 18

Chordae tendineae

Accepted Answer

A)  are attached to the semilunar valves 
B)  are attached to the atrioventricular valves 
C)  are attached to the walls of the atria 
D)  both b and c 
A)  are attached to the semilunar valves 
B)  are attached to the atrioventricular valves 
C)  are attached to the walls of the atria 
D)  both b and c

Question 19

The innermost layer of an artery or vein is called the

Accepted Answer

A)  tunica intima 
B)  tunica media 
C)  endothelium 
D)  both a and c above 
A)  tunica intima 
B)  tunica media 
C)  endothelium 
D)  both a and c above

Question 20

The AV node initiates the contraction of the atria.

Accepted Answer

A) True 
 B)False

Exam 13: Cardiovascular System

The sinoatrial node is sometimes called the pacemaker of the heart.

Every blood vessel in the body has the tunica media layer.

Match the structure with the description. -Blood vessel into which blood in the right ventricle is pushed

The cardiac output will always be larger than the stroke volume.

The last blood vessel of pulmonary circulation is the

The Purkinje fibers and the bundle of His are involved in the contraction of the ventricles.

The apex of the heart lies on the diaphragm muscle.

Match the structure with the description. -Blood vessel that returns blood to the right atrium

The ductus venosus connects the umbilical vein directly to the inferior vena cava.

The T wave tracing measures atrial repolarization.

The first blood vessel of systemic circulation is the

Match the structure with the description. -Valve that blood in the left ventricle passes through

In general,as blood volume in the arteries increases,the blood pressure increases.

Smooth muscle cells called precapillary sphincters guard the entrances to capillaries and determine the amount of blood that will flow into each capillary.

Match each term with its definition or description. -Discharging chambers of the heart

The "pacemaker" for the heart is usually the

The hepatic portal system sends blood through two sets of capillary beds rather than the usual one set of capillaries.

Chordae tendineae

The innermost layer of an artery or vein is called the

The AV node initiates the contraction of the atria.

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Growth and Development

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