Question 1

Match each term with its corresponding description or definition.
-The discharging chambers of the heart

Accepted Answer

A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium 
A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium

Question 2

The QRS complex in an electrocardiogram results from

Accepted Answer

A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria. 
A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria.

Question 3

The T wave in an electrocardiogram results from

Accepted Answer

A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria. 
A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria.

Question 4

Match each structure in the heart with its corresponding description or function.
-Heart chamber into which blood returning from the lungs enters

Accepted Answer

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

Question 5

Cor pulmonale is a type of heart failure that is actually caused by a lung problem.

Accepted Answer

A) True 
 B)False

Question 6

The cardiac output is always larger than the stroke volume.

Accepted Answer

A) True 
 B)False

Question 7

What is congestive heart failure, and what is pulmonary edema?

Accepted Answer

Congestive heart failure (CHF), also kno

Question 8

Which component of the conduction system actually contracts the ventricles?

Accepted Answer

A)  Purkinje fibers 
B)  Sinoatrial node 
C)  Atrioventricular node 
D)  Bundle of His 
A)  Purkinje fibers 
B)  Sinoatrial node 
C)  Atrioventricular node 
D)  Bundle of His

Question 9

A mitral valve prolapse is an example of an incompetent atrioventricular valve.

Accepted Answer

A) True 
 B)False

Question 10

Match each structure in the heart with its corresponding description or function.
-Blood vessel attached to the right ventricle

Accepted Answer

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

Question 11

The bundle of His conducts impulses from the sinoatrial node to the atrioventricular node.

Accepted Answer

A) True 
 B)False

Question 12

Trace a drop of blood from the superior vena cava to the aorta. Include all the heart chambers, valves, and blood vessels through which the blood passes.

Accepted Answer

Sure! When a drop of blood enters the su

Question 13

The QRS complex of an electrocardiogram occurs with the depolarization of the ventricles.

Accepted Answer

A) True 
 B)False

Question 14

Explain why extreme tachycardia might restrict blood flow to the heart.

Accepted Answer

Extreme tachycardia, or a very rapid hea

Question 15

The apex of the heart lies _____, pointing toward the _____ lung.

Accepted Answer

A)  just below the clavicle; right 
B)  on the diaphragm; left 
C)  just below the clavicle; left 
D)  on the diaphragm; right 
A)  just below the clavicle; right 
B)  on the diaphragm; left 
C)  just below the clavicle; left 
D)  on the diaphragm; right

Question 16

Match each disorder of the circulatory system with its definition or description.
-A heart valve that is narrower than normal

Accepted Answer

A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale 
A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale

Question 17

An automatic external defibrillator requires training as an EMT or a paramedic for it to be effective.

Accepted Answer

A) True 
 B)False

Question 18

Explain the conduction system of the heart.

Accepted Answer

The conduction system of the heart is a

Question 19

Match each disorder of the circulatory system with its definition or description.
-Any abnormality of heart rhythm

Accepted Answer

A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale 
A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale

Question 20

The average cardiac output for a resting adult is about 2 L of blood.

Accepted Answer

A) True 
 B)False

Exam 14: Heart

Match each term with its corresponding description or definition. -The discharging chambers of the heart

The QRS complex in an electrocardiogram results from

The T wave in an electrocardiogram results from

Match each structure in the heart with its corresponding description or function. -Heart chamber into which blood returning from the lungs enters

Cor pulmonale is a type of heart failure that is actually caused by a lung problem.

The cardiac output is always larger than the stroke volume.

What is congestive heart failure, and what is pulmonary edema?

Which component of the conduction system actually contracts the ventricles?

A mitral valve prolapse is an example of an incompetent atrioventricular valve.

Match each structure in the heart with its corresponding description or function. -Blood vessel attached to the right ventricle

The bundle of His conducts impulses from the sinoatrial node to the atrioventricular node.

Trace a drop of blood from the superior vena cava to the aorta. Include all the heart chambers, valves, and blood vessels through which the blood passes.

The QRS complex of an electrocardiogram occurs with the depolarization of the ventricles.

Explain why extreme tachycardia might restrict blood flow to the heart.

The apex of the heart lies _____, pointing toward the _____ lung.

Match each disorder of the circulatory system with its definition or description. -A heart valve that is narrower than normal

An automatic external defibrillator requires training as an EMT or a paramedic for it to be effective.

Explain the conduction system of the heart.

Match each disorder of the circulatory system with its definition or description. -Any abnormality of heart rhythm

The average cardiac output for a resting adult is about 2 L of blood.

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Blood

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Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Growth, Development, and Aging

Genetics and Genetic Diseases

Filters

The apex of the heart lies _, pointing toward the _ lung.