Question 1

Mitral valve prolapse (MVP)generates a murmur associated with the __________ heart sound that occurs when the __________.

Accepted Answer

A)  lubb (S1);atria contract 
B)  dupp (S2);atria relax 
C)  lubb (S1);ventricles contract 
D)  dupp (S2);ventricles relax 
E)  lubb (S1);ventricles relax 
A)  lubb (S1);atria contract 
B)  dupp (S2);atria relax 
C)  lubb (S1);ventricles contract 
D)  dupp (S2);ventricles relax 
E)  lubb (S1);ventricles relax

Question 2

Congestive heart failure (CHF)of the right ventricle __________.

Accepted Answer

A)  can cause pulmonary edema 
B)  can cause systemic edema 
C)  increases the ejection fraction of the right ventricle 
D)  reduces the ejection fraction of the left ventricle 
E)  increases cardiac output in both ventricles 
A)  can cause pulmonary edema 
B)  can cause systemic edema 
C)  increases the ejection fraction of the right ventricle 
D)  reduces the ejection fraction of the left ventricle 
E)  increases cardiac output in both ventricles

Question 3

Cells of the sinoatrial node __________ during the pacemaker potential.

Accepted Answer

A)  depolarize fast 
B)  depolarize slow 
C)  repolarize slow 
D)  repolarize fast 
E)  depolarize slow and repolarize fast 
A)  depolarize fast 
B)  depolarize slow 
C)  repolarize slow 
D)  repolarize fast 
E)  depolarize slow and repolarize fast

Question 4

The ventricles are the thicker more powerful chambers of the heart.They pump blood to the lungs and body.

Accepted Answer

A) True 
 B)False

Question 5

When the left ventricle contracts,the __________ valve closes and the __________ valve is pushed open.

Accepted Answer

A)  mitral;pulmonary 
B)  right AV;pulmonary 
C)  right AV;aortic 
D)  mitral;aortic 
E)  aortic;pulmonary 
A)  mitral;pulmonary 
B)  right AV;pulmonary 
C)  right AV;aortic 
D)  mitral;aortic 
E)  aortic;pulmonary

Question 6

When the aortic semilunar valve closes and blood bounces off of it,it produces the __________ heart sound that is ultimately related to when the __________.

Accepted Answer

A)  lubb (S1);atria contract 
B)  dupp (S2);atria relax 
C)  lubb (S1);ventricles contract 
D)  dupp (S2);ventricles relax 
E)  lubb (S1);ventricles relax 
A)  lubb (S1);atria contract 
B)  dupp (S2);atria relax 
C)  lubb (S1);ventricles contract 
D)  dupp (S2);ventricles relax 
E)  lubb (S1);ventricles relax

Question 7

The area where the major vessels lead to and from the heart's chambers is called the __________ of the heart.The pointy,inferior portion is called the ___________.

Accepted Answer

A)  apex;base 
B)  atrium;ventricle 
C)  ventricle;atrium 
D)  base;apex 
E)  endocardium;epicardium 
A)  apex;base 
B)  atrium;ventricle 
C)  ventricle;atrium 
D)  base;apex 
E)  endocardium;epicardium

Question 8

The right atrioventricular valve (tricuspid)regulates the opening between the _________ and the _________.

Accepted Answer

A)  right atrium;left atrium 
B)  right atrium;right ventricle 
C)  right atrium;left ventricle 
D)  left atrium;left ventricle 
E)  left ventricle;right ventricle 
A)  right atrium;left atrium 
B)  right atrium;right ventricle 
C)  right atrium;left ventricle 
D)  left atrium;left ventricle 
E)  left ventricle;right ventricle

Question 9

The apex of the heart is found __________ of the midline of the body.

Accepted Answer

A)  to the right 
B)  to the left 
C)  in the center 
A)  to the right 
B)  to the left 
C)  in the center

Question 10

Opening and closing of the heart valves is caused by _________.

Accepted Answer

A)  breathing 
B)  gravity 
C)  valves contracting and relaxing 
D)  osmotic gradients 
E)  pressure gradients 
A)  breathing 
B)  gravity 
C)  valves contracting and relaxing 
D)  osmotic gradients 
E)  pressure gradients

Question 11

Ventricular pressure increases the fastest during ventricular filling.

Accepted Answer

A) True 
 B)False

Question 12

The chordae tendinae of the AV valves are anchored to the __________ of the ventricles.

Accepted Answer

A)  papillary muscles 
B)  pectinate muscles 
C)  trabeculae carnae 
D)  interventricular septum 
E)  interatrial septum 
A)  papillary muscles 
B)  pectinate muscles 
C)  trabeculae carnae 
D)  interventricular septum 
E)  interatrial septum

Question 13

Mitral valve prolapse causes blood to leak back into the __________ when the ventricles contract.

Accepted Answer

A)  left atrium 
B)  right atrium 
C)  aorta 
D)  pulmonary trunk 
E)  pulmonary arteries 
A)  left atrium 
B)  right atrium 
C)  aorta 
D)  pulmonary trunk 
E)  pulmonary arteries

Question 14

Which is the correct sequence of events of the cardiac cycle?

Accepted Answer

A)  Ventricular filling → isovolumetric contraction → isovolumetric relaxation → ventricular ejection 
B)  Ventricular filling → isovolumetric relaxation → isovolumetric contraction → ventricular ejection 
C)  Ventricular filling → ventricular ejection → isovolumetric contraction → isovolumetric relaxation 
D)  Ventricular filling → isovolumetric relaxation → ventricular ejection → isovolumetric contraction 
E)  Ventricular filling → isovolumetric contraction → ventricular ejection → isovolumetric relaxation 
A)  Ventricular filling → isovolumetric contraction → isovolumetric relaxation → ventricular ejection 
B)  Ventricular filling → isovolumetric relaxation → isovolumetric contraction → ventricular ejection 
C)  Ventricular filling → ventricular ejection → isovolumetric contraction → isovolumetric relaxation 
D)  Ventricular filling → isovolumetric relaxation → ventricular ejection → isovolumetric contraction 
E)  Ventricular filling → isovolumetric contraction → ventricular ejection → isovolumetric relaxation

Question 15

The pacemaker potential is a result of _________.

Accepted Answer

A)  Na+ inflow 
B)  Na+ outflow 
C)  K+ inflow 
D)  K+ outflow 
E)  Ca2+ inflow 
A)  Na+ inflow 
B)  Na+ outflow 
C)  K+ inflow 
D)  K+ outflow 
E)  Ca2+ inflow

Question 16

Which of the following belong to the pulmonary circuit?

Accepted Answer

A)  Aorta and venae cavae 
B)  Aorta and pulmonary veins 
C)  Pulmonary arteries and venae cavae 
D)  Venae cavae and pulmonary veins 
E)  Pulmonary arteries and pulmonary veins 
A)  Aorta and venae cavae 
B)  Aorta and pulmonary veins 
C)  Pulmonary arteries and venae cavae 
D)  Venae cavae and pulmonary veins 
E)  Pulmonary arteries and pulmonary veins

Question 17

The __________ performs the work of the heart.

Accepted Answer

A)  fibrous skeleton 
B)  pericardial cavity 
C)  endocardium 
D)  myocardium 
E)  epicardium 
A)  fibrous skeleton 
B)  pericardial cavity 
C)  endocardium 
D)  myocardium 
E)  epicardium

Question 18

Electrical signals pass between cardiomyocytes through the _____.

Accepted Answer

A)  gap junctions 
B)  desmosomes 
C)  tight junctions 
D)  hemidesmosomes 
A)  gap junctions 
B)  desmosomes 
C)  tight junctions 
D)  hemidesmosomes

Question 19

The pulmonary circuit is supplied by both the right and the left sides of the heart.

Accepted Answer

A) True 
 B)False

Question 20

When sodium channels are fully open,the membrane of the ventricular cardiomyocyte _________.

Accepted Answer

A)  sharply hyperpolarizes 
B)  sharply repolarizes 
C)  sharply depolarizes 
D)  plateaus 
E)  has no reponse 
A)  sharply hyperpolarizes 
B)  sharply repolarizes 
C)  sharply depolarizes 
D)  plateaus 
E)  has no reponse

Exam 19: The Circulatory System: Heart

Mitral valve prolapse (MVP)generates a murmur associated with the __________ heart sound that occurs when the __________.

Congestive heart failure (CHF)of the right ventricle __________.

Cells of the sinoatrial node __________ during the pacemaker potential.

The ventricles are the thicker more powerful chambers of the heart.They pump blood to the lungs and body.

When the left ventricle contracts,the __________ valve closes and the __________ valve is pushed open.

When the aortic semilunar valve closes and blood bounces off of it,it produces the __________ heart sound that is ultimately related to when the __________.

The area where the major vessels lead to and from the heart's chambers is called the __________ of the heart.The pointy,inferior portion is called the ___________.

The right atrioventricular valve (tricuspid)regulates the opening between the _________ and the _________.

The apex of the heart is found __________ of the midline of the body.

Opening and closing of the heart valves is caused by _________.

Ventricular pressure increases the fastest during ventricular filling.

The chordae tendinae of the AV valves are anchored to the __________ of the ventricles.

Mitral valve prolapse causes blood to leak back into the __________ when the ventricles contract.

Which is the correct sequence of events of the cardiac cycle?

The pacemaker potential is a result of _________.

Which of the following belong to the pulmonary circuit?

The __________ performs the work of the heart.

Electrical signals pass between cardiomyocytes through the _____.

The pulmonary circuit is supplied by both the right and the left sides of the heart.

When sodium channels are fully open,the membrane of the ventricular cardiomyocyte _________.

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Genetics of Cellular Function

Histology

The Integumentary System

Bone Tissue

The Skeletal System

Joints

The Muscular System

Muscular Tissue

Nervous Tissue

The Spinal Cord,spinal Nerves,and Somatic Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System and Visceral Reflexes

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Blood Vessels and Circulation

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

Fluid, electrolyte, and Acidbase Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Atlas a General Orientation to Human Anatomy

Filters

Mitral valve prolapse (MVP)generates a murmur associated with the heart sound that occurs when the .

When the left ventricle contracts,the valve closes and the valve is pushed open.

When the aortic semilunar valve closes and blood bounces off of it,it produces the heart sound that is ultimately related to when the .

The area where the major vessels lead to and from the heart's chambers is called the of the heart.The pointy,inferior portion is called the _.

The right atrioventricular valve (tricuspid)regulates the opening between the _ and the _.