Question 1

During a normal cardiac cycle that lasts 0.8 seconds,the ventricles are contracting for _____ seconds.

Accepted Answer

A)  0.1 
B)  0.2 
C)  0.3 
D)  0.4 
E)  0.5 
A)  0.1 
B)  0.2 
C)  0.3 
D)  0.4 
E)  0.5

Question 2

What is the term for the projections of myocardium that anchor atrioventricular valve cusps?

Accepted Answer

The answer of What is the term for the projections...

Question 3

The correct sequence of chambers,including the lungs,that blood flows from the venae cavae to the aorta is

Accepted Answer

A)  right atrium, right ventricle, lungs, left atrium, left ventricle, aorta 
B)  right atrium, left atrium, lungs, right ventricle, left ventricle, aorta 
C)  left atrium, left ventricle, lungs, right atrium, right ventricle, aorta 
D)  left atrium, right atrium, lungs, left ventricle, right ventricle, aorta 
A)  right atrium, right ventricle, lungs, left atrium, left ventricle, aorta 
B)  right atrium, left atrium, lungs, right ventricle, left ventricle, aorta 
C)  left atrium, left ventricle, lungs, right atrium, right ventricle, aorta 
D)  left atrium, right atrium, lungs, left ventricle, right ventricle, aorta

Question 4

Increased venous return means there is greater end diastolic volume,which results in more forceful contraction of the ventricular myocardium.

Accepted Answer

A) True 
 B)False

Question 5

The ascending aorta is continuous with the

Accepted Answer

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

Question 6

The innermost layer of the heart wall is composed of

Accepted Answer

A)  cardiac muscle 
B)  simple squamous epithelium 
C)  connective tissue 
D)  stratified squamous epithelium 
E)  vascular tissue 
A)  cardiac muscle 
B)  simple squamous epithelium 
C)  connective tissue 
D)  stratified squamous epithelium 
E)  vascular tissue

Question 7

The first heart sound is due to turbulence in the blood resulting from closure of the semilunar valves.

Accepted Answer

A) True 
 B)False

Question 8

The valve between the right atrium and 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 9

What is the term for the chamber of the heart that receives oxygenated blood from the lungs?

Accepted Answer

The answer of What is the term for the chamber...

Question 10

The muscular tissue of the heart is

Accepted Answer

A)  voluntary muscle 
B)  multinucleated and striated 
C)  lacks striations and has tapered ends 
D)  has striations and intercalated disks 
A)  voluntary muscle 
B)  multinucleated and striated 
C)  lacks striations and has tapered ends 
D)  has striations and intercalated disks

Question 11

The muscular layer of the heart wall is the

Accepted Answer

A)  epicardium 
B)  myocardium 
C)  endocardium 
D)  visceral epicardium 
A)  epicardium 
B)  myocardium 
C)  endocardium 
D)  visceral epicardium

Question 12

What is the term for the location of the cardiac center that alters heart rate?

Accepted Answer

The answer of What is the term for the location...

Question 13

Starling's law of the heart is a relationship between

Accepted Answer

A)  cardiac rate and stroke volume 
B)  stroke volume and venous return 
C)  stroke volume and contraction strength 
D)  end diastolic volume and contraction strength 
E)  end diastolic volume and venous return 
A)  cardiac rate and stroke volume 
B)  stroke volume and venous return 
C)  stroke volume and contraction strength 
D)  end diastolic volume and contraction strength 
E)  end diastolic volume and venous return

Question 14

Stroke volume is determined by

Accepted Answer

A)  cardiac rate and contraction strength 
B)  contraction strength and end diastolic volume 
C)  cardiac rate and cardiac output 
D)  cardiac rate and end diastolic volume 
E)  cardiac output and end diastolic volume 
A)  cardiac rate and contraction strength 
B)  contraction strength and end diastolic volume 
C)  cardiac rate and cardiac output 
D)  cardiac rate and end diastolic volume 
E)  cardiac output and end diastolic volume

Question 15

What is the term for the amount of blood ejected from a ventricle in one contraction?

Accepted Answer

The answer of What is the term for the amount...

Question 16

The sympathetic nervous system _____ heart rate and _____ stroke volume.

Accepted Answer

A)  increases; increases 
B)  increases; decreases 
C)  decreases; increases 
D)  decreases; decreases 
A)  increases; increases 
B)  increases; decreases 
C)  decreases; increases 
D)  decreases; decreases

Question 17

Most of the blood that is ejected from the ventricles enters the ventricles during atrial systole.

Accepted Answer

A) True 
 B)False

Question 18

The correct sequence of valves in the pathway of blood from the venae cavae to the aorta is

Accepted Answer

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

Question 19

The two valves on the left side of the heart are the

Accepted Answer

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

Question 20

If heart rate is 70 beats per minute and stroke volume is 70 ml,then the cardiac output is _____ ml/minute.

Accepted Answer

A)  140 
B)  1400 
C)  490 
D)  4900 
E)  49000 
A)  140 
B)  1400 
C)  490 
D)  4900 
E)  49000

During a normal cardiac cycle that lasts 0.8 seconds,the ventricles are contracting for _____ seconds.

What is the term for the projections of myocardium that anchor atrioventricular valve cusps?

The correct sequence of chambers,including the lungs,that blood flows from the venae cavae to the aorta is

Increased venous return means there is greater end diastolic volume,which results in more forceful contraction of the ventricular myocardium.

The ascending aorta is continuous with the

The innermost layer of the heart wall is composed of

The first heart sound is due to turbulence in the blood resulting from closure of the semilunar valves.

The valve between the right atrium and right ventricle is the _____ valve.

What is the term for the chamber of the heart that receives oxygenated blood from the lungs?

The muscular tissue of the heart is

The muscular layer of the heart wall is the

What is the term for the location of the cardiac center that alters heart rate?

Starling's law of the heart is a relationship between

Stroke volume is determined by

What is the term for the amount of blood ejected from a ventricle in one contraction?

The sympathetic nervous system _ heart rate and _ stroke volume.

Most of the blood that is ejected from the ventricles enters the ventricles during atrial systole.

The correct sequence of valves in the pathway of blood from the venae cavae to the aorta is

The two valves on the left side of the heart are the

If heart rate is 70 beats per minute and stroke volume is 70 ml,then the cardiac output is _____ ml/minute.

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

Exam 11: Cardiovascular System: The Heart

During a normal cardiac cycle that lasts 0.8 seconds,the ventricles are contracting for _____ seconds.

What is the term for the projections of myocardium that anchor atrioventricular valve cusps?

The correct sequence of chambers,including the lungs,that blood flows from the venae cavae to the aorta is

Increased venous return means there is greater end diastolic volume,which results in more forceful contraction of the ventricular myocardium.

The ascending aorta is continuous with the

The innermost layer of the heart wall is composed of

The first heart sound is due to turbulence in the blood resulting from closure of the semilunar valves.

The valve between the right atrium and right ventricle is the _____ valve.

What is the term for the chamber of the heart that receives oxygenated blood from the lungs?

The muscular tissue of the heart is

The muscular layer of the heart wall is the

What is the term for the location of the cardiac center that alters heart rate?

Starling's law of the heart is a relationship between

Stroke volume is determined by

What is the term for the amount of blood ejected from a ventricle in one contraction?

The sympathetic nervous system _____ heart rate and _____ stroke volume.

Most of the blood that is ejected from the ventricles enters the ventricles during atrial systole.

The correct sequence of valves in the pathway of blood from the venae cavae to the aorta is

The two valves on the left side of the heart are the

If heart rate is 70 beats per minute and stroke volume is 70 ml,then the cardiac output is _____ ml/minute.

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

The sympathetic nervous system _ heart rate and _ stroke volume.