Question 1

A life-threatening condition in which excess fluid in the pericardial cavity compresses the heart leading to decreased ventricular filling is called

Accepted Answer

A)  paroxysmal tachycardia
B)  myocardial infarction
C)  cardiac tamponade
D)  ventricular fibrillation
E)  atherosclerosisF) All of the above
G) B) and E)

Question 2

The heart valve found between the left ventricle and the large artery exiting the left ventricle is the

Accepted Answer

A)  bicuspid valve
B)  tricuspid valve
C)  aortic valve
D)  pulmonary valve
E)  mitral valveF) C) and D)
G) All of the above

Question 3

The normal pacemaker of the heart is the

Accepted Answer

A)  Purkinje fibers
B)  bundle of His
C)  atrioventricular (AV) node
D)  sinoatrial (S
A)  node
E)  atrioventricular (AV) bundleF) A) and B)
G) C) and E)

Question 4

The muscular wall of the left ventricle is thicker than the right ventricle because it

Accepted Answer

A)  holds a greater volume of blood.
B)  pumps blood to the lungs.
C)  pumps blood throughout the entire body.
D)  pumps blood through a smaller valve.
E)  pumps blood through the coronary circulation.F) All of the above
G) B) and E)

Question 5

A fluttering of the heart is called

Accepted Answer

A)  cardiac arrest
B)  a palpitation
C)  paroxysmal tachycardia
D)  ventricular fibrillation
E)  cardiomegalyF) A) and B)
G) None of the above

Question 6

The bulk of the structure of the heart consists of the

Accepted Answer

A)  epicardium
B)  endocardium
C)  myocardium
D)  serous pericardium
E)  fibrous pericardiumF) D) and E)
G) None of the above

Question 7

Atherosclerosis is a condition in which

Accepted Answer

A)  the arteries are "hardened" by calcium deposits in the walls.
B)  fatty deposits called plaques partially block the arteries.
C)  vitamin B12 is not properly absorbed due to lack of intrinsic factor.
D)  oxygen-carrying capacity of the blood is reduced.
E)  the right side of the heart pumps harder than the left side.F) B) and E)
G) B) and D)

Question 8

The acronym CAD stands for

Accepted Answer

A)  coronary artery disease
B)  cardiac artery disorder
C)  cholesterol arteriolar disorder
D)  chronic arterial distention
E)  coronary aneurysm diseaseF) D) and E)
G) None of the above

Question 9

The autonomic nervous system initiates the impulses that lead to contraction of the four chambers of the heart.

Accepted Answer

A) True 
 B)False

Question 10

Valvular stenosis is a congenital condition consisting of four defects including the aorta emerging from both ventricles

Accepted Answer

A) True 
 B)False

Question 11

Blood flow through the heart is driven by pressure differences between the chambers.

Accepted Answer

A) True 
 B)False

Question 12

Oxygen is sent to the myocardium through the cardiac arteries.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following represents the correct sequence of structures in the cardiac action potential conduction system?

Accepted Answer

A)  Purkinje fibers, AV node, right and left bundle branches, SA node, bundle of His
B)  AV node, SA node, bundle of His, Purkinje fibers, right and left bundle branches
C)  SA node, bundle of His, AV node, Purkinje fibers, right and left bundle branches
D)  SA node, AV node, Purkinje fibers, bundle of His, right and left bundle branches
E)  SA node, AV node, bundle of His, right and left bundle branches, Purkinje fibersF) A) and E)
G) A) and C)

Question 14

The two upper chambers of the heart are separated from each other by the

Accepted Answer

A)  interventricular septum
B)  interatrial septum
C)  parietal pericardium
D)  visceral pericardium
E)  coronary sulcusF) C) and E)
G) B) and E)

Question 15

Which of the following statements accurately describes the normal orientation of the heart in the thoracic cavity?

Accepted Answer

A)  Located along midline with base oriented inferiorly and apex oriented superiorly.
B)  Three-fourths of the heart lies to the right of midline.
C)  Three-fourths of the heart lies to the left of midline.
D)  Apex of the heart is directed inferiorly and to the left of midline.
E)  Two-thirds of the heart lies to the right of midline.F) B) and E)
G) B) and D)

Question 16

All arteries contain oxygenated blood and all veins contain non-oxygenated blood.

Accepted Answer

A) True 
 B)False

Question 17

Oxygenated blood is transported from the lungs through the pulmonary veins into the

Accepted Answer

A)  left atrium
B)  left ventricle
C)  right atrium
D)  right ventricle
E)  none of the choices is correctF) B) and C)
G) C) and D)

Question 18

The "good" form of cholesterol that consists of lipoproteins that carry cholesterol from the tissues to the liver for elimination are called

Accepted Answer

A)  chylomicrons
B)  LDLs
C)  VLDLs
D)  HDLs
E)  bile saltsF) None of the above
G) A) and C)

Question 19

Any irregular heart rhythm is an arrhythmia.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a risk factor for the development of coronary artery disease?

Accepted Answer

A)  high blood pressure
B)  diabetes
C)  genetic predisposition
D)  all of the choices are correct
E)  none of the choices is correctF) A) and E)
G) B) and C)

Exam 15: The Cardiovascular System: Heart

The "good" form of cholesterol that consists of lipoproteins that carry cholesterol from the tissues to the liver for elimination are called

Correct AnswerverifiedShow Answer

Which of the following statements accurately describes the normal orientation of the heart in the thoracic cavity?

Correct AnswerverifiedShow Answer

The muscular wall of the left ventricle is thicker than the right ventricle because it

Correct AnswerverifiedShow Answer

A life-threatening condition in which excess fluid in the pericardial cavity compresses the heart leading to decreased ventricular filling is called

Correct AnswerverifiedShow Answer

Oxygen is sent to the myocardium through the cardiac arteries.

Correct AnswerverifiedShow Answer

The acronym CAD stands for

Correct AnswerverifiedShow Answer

The two upper chambers of the heart are separated from each other by the

Correct AnswerverifiedShow Answer

Any irregular heart rhythm is an arrhythmia.

Correct AnswerverifiedShow Answer

The heart valve found between the left ventricle and the large artery exiting the left ventricle is the

Correct AnswerverifiedShow Answer

The autonomic nervous system initiates the impulses that lead to contraction of the four chambers of the heart.

Correct AnswerverifiedShow Answer

The bulk of the structure of the heart consists of the

Correct AnswerverifiedShow Answer

All arteries contain oxygenated blood and all veins contain non-oxygenated blood.

Correct AnswerverifiedShow Answer

A fluttering of the heart is called

Correct AnswerverifiedShow Answer

Which of the following is a risk factor for the development of coronary artery disease?

Correct AnswerverifiedShow Answer

Valvular stenosis is a congenital condition consisting of four defects including the aorta emerging from both ventricles

Correct AnswerverifiedShow Answer

Oxygenated blood is transported from the lungs through the pulmonary veins into the

Correct AnswerverifiedShow Answer

Blood flow through the heart is driven by pressure differences between the chambers.

Correct AnswerverifiedShow Answer

Atherosclerosis is a condition in which

Correct AnswerverifiedShow Answer

Which of the following represents the correct sequence of structures in the cardiac action potential conduction system?

Correct AnswerverifiedShow Answer

The normal pacemaker of the heart is the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified