Question 1

The semilunar valves open when the pressure in the

Accepted Answer

A)  atria exceeds that in the ventricles 
B)  ventricles exceeds that in the atria 
C)  aorta and pulmonary trunk exceeds that in the ventricles 
D)  ventricles exceeds that in the aorta and pulmonary trunk 
A)  atria exceeds that in the ventricles 
B)  ventricles exceeds that in the atria 
C)  aorta and pulmonary trunk exceeds that in the ventricles 
D)  ventricles exceeds that in the aorta and pulmonary trunk

Question 2

When baroreceptors in the aortic arch and internal carotid arteries are stretched,the cardiac center sends out _____ impulses to _____ heart rate.

Accepted Answer

A)  parasympathetic; increase 
B)  parasympathetic; decrease 
C)  sympathetic; increase 
D)  sympathetic; decrease 
A)  parasympathetic; increase 
B)  parasympathetic; decrease 
C)  sympathetic; increase 
D)  sympathetic; decrease

Question 3

The greatest deflection from the baseline on an electrocardiogram is the

Accepted Answer

A)  P 
B)  Q 
C)  R 
D)  T 
A)  P 
B)  Q 
C)  R 
D)  T

Question 4

The superior vena cava enters the heart on the right side.

Accepted Answer

A) True 
 B)False

Question 5

The correct sequence for impulse transmission through the following components of the conduction system of the heart is which of the following?
1)conducting myofibers
2)atrioventricular bundle
3)sinoatrial node
4)bundle branches
5)atrioventricular node

Accepted Answer

A)  3, 5, 2, 4, 1 
B)  1, 2, 3, 4, 5 
C)  1, 3, 5, 2, 4 
D)  2, 4, 3, 5, 1 
E)  5, 3, 2, 4, 1 
A)  3, 5, 2, 4, 1 
B)  1, 2, 3, 4, 5 
C)  1, 3, 5, 2, 4 
D)  2, 4, 3, 5, 1 
E)  5, 3, 2, 4, 1

Question 6

The P wave on an electrocardiogram represents the

Accepted Answer

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

Question 7

The valve at the exit of the right ventricle is the _____ valve.

Accepted Answer

A)  tricuspid 
B)  bicuspid 
C)  pulmonary semilunar 
D)  aortic semilunar 
A)  tricuspid 
B)  bicuspid 
C)  pulmonary semilunar 
D)  aortic semilunar

Question 8

The heart lies within the

Accepted Answer

A)  mediastinum 
B)  pleural cavity 
C)  pericardial space 
D)  interventricular sulcus 
A)  mediastinum 
B)  pleural cavity 
C)  pericardial space 
D)  interventricular sulcus

Question 9

Which of the following regarding the pericardium is true?

Accepted Answer

A)  The fibrous layer adheres to the heart muscle. 
B)  A thin layer of serous fluid is formed between the fibrous pericardium and parietal pericardium. 
C)  The visceral layer of the serous pericardium is attached to the myocardium. 
D)  The pericardial cavity is the space between the lungs, occupied by the heart. 
E)  The fibrous layer is called the epicardium. 
A)  The fibrous layer adheres to the heart muscle. 
B)  A thin layer of serous fluid is formed between the fibrous pericardium and parietal pericardium. 
C)  The visceral layer of the serous pericardium is attached to the myocardium. 
D)  The pericardial cavity is the space between the lungs, occupied by the heart. 
E)  The fibrous layer is called the epicardium.

Question 10

An atrioventricular valve prevents blood flowing from a(n)

Accepted Answer

A)  atrium into a ventricle 
B)  ventricle into an atrium 
C)  ventricle to a large vessel 
D)  large vessel to a ventricle 
A)  atrium into a ventricle 
B)  ventricle into an atrium 
C)  ventricle to a large vessel 
D)  large vessel to a ventricle

Question 11

The fibrous pericardial sac is lined with a serous membrane.

Accepted Answer

A) True 
 B)False

Question 12

The internal surface of the ventricles is marked by a series of ridges called

Accepted Answer

A)  chordae tendineae 
B)  trabeculae carneae 
C)  pectinate muscles 
D)  interventricular septa 
A)  chordae tendineae 
B)  trabeculae carneae 
C)  pectinate muscles 
D)  interventricular septa

Question 13

Inflammation of a valve is indicated by the word

Accepted Answer

A)  mitral stenosis 
B)  valvulitis 
C)  valvuloplasty 
D)  endocarditis 
E)  cardiomyopathy 
A)  mitral stenosis 
B)  valvulitis 
C)  valvuloplasty 
D)  endocarditis 
E)  cardiomyopathy

Question 14

About 70% of the blood that is pumped from the heart during contraction enters the ventricles while the atria

Accepted Answer

A)  are contracting and ventricles are relaxing 
B)  and ventricles are all contracting 
C)  and ventricles are all relaxing 
D)  are relaxing and ventricles are contracting 
A)  are contracting and ventricles are relaxing 
B)  and ventricles are all contracting 
C)  and ventricles are all relaxing 
D)  are relaxing and ventricles are contracting

Question 15

Parasympathetic stimulation generally increases cardiac output.

Accepted Answer

A) True 
 B)False

The semilunar valves open when the pressure in the

When baroreceptors in the aortic arch and internal carotid arteries are stretched,the cardiac center sends out _ impulses to _ heart rate.

The greatest deflection from the baseline on an electrocardiogram is the

The superior vena cava enters the heart on the right side.

The correct sequence for impulse transmission through the following components of the conduction system of the heart is which of the following? 1)conducting myofibers 2)atrioventricular bundle 3)sinoatrial node 4)bundle branches 5)atrioventricular node

The P wave on an electrocardiogram represents the

The valve at the exit of the right ventricle is the _____ valve.

The heart lies within the

Which of the following regarding the pericardium is true?

An atrioventricular valve prevents blood flowing from a(n)

The fibrous pericardial sac is lined with a serous membrane.

The internal surface of the ventricles is marked by a series of ridges called

Inflammation of a valve is indicated by the word

About 70% of the blood that is pumped from the heart during contraction enters the ventricles while the atria

Parasympathetic stimulation generally increases cardiac output.

Introduction to the Human Body

Chemistry, Matter, and Life

Cell Structure and Function

Tissues and Membranes

Integumentary System

Skeletal System

Muscular System

Nervous System

Sensory System

Endocrine System

Cardiovascular System: Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Body Defense

Respiratory System

Digestive System

Metabolism and Nutrition

Urinary System and Body Fluids

Reproductive System

Development

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Exam 11: Cardiovascular System: The Heart

The semilunar valves open when the pressure in the

When baroreceptors in the aortic arch and internal carotid arteries are stretched,the cardiac center sends out _____ impulses to _____ heart rate.

The greatest deflection from the baseline on an electrocardiogram is the

The superior vena cava enters the heart on the right side.

The correct sequence for impulse transmission through the following components of the conduction system of the heart is which of the following? 1)conducting myofibers 2)atrioventricular bundle 3)sinoatrial node 4)bundle branches 5)atrioventricular node

The P wave on an electrocardiogram represents the

The valve at the exit of the right ventricle is the _____ valve.

The heart lies within the

Which of the following regarding the pericardium is true?

An atrioventricular valve prevents blood flowing from a(n)

The fibrous pericardial sac is lined with a serous membrane.

The internal surface of the ventricles is marked by a series of ridges called

Inflammation of a valve is indicated by the word

About 70% of the blood that is pumped from the heart during contraction enters the ventricles while the atria

Parasympathetic stimulation generally increases cardiac output.

Introduction to the Human Body

Chemistry, Matter, and Life

Cell Structure and Function

Tissues and Membranes

Integumentary System

Skeletal System

Muscular System

Nervous System

Sensory System

Endocrine System

Cardiovascular System: Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Body Defense

Respiratory System

Digestive System

Metabolism and Nutrition

Urinary System and Body Fluids

Reproductive System

Development

Filters

When baroreceptors in the aortic arch and internal carotid arteries are stretched,the cardiac center sends out _ impulses to _ heart rate.