Question 1

The ________ valve of the heart has three valves with chordae tendineae.

Accepted Answer

The answer of The ________ valve of the heart has...

Question 2

Which of the following is not part of the conduction system of the heart?

Accepted Answer

A)   AV node
B)   bundle of His
C)   AV valve
D)   SA nodeE) A) and B)
F) B) and D)

Question 3

A)

B)

C)

D)

Figure 17.3
Using Figure 17.3, match the following:
-Normal sinus rhythm.

Accepted Answer

The answer of A)

B)

C)

D)

Figure 17.3
Using Figure 17.3, match the...

Question 4

Blood in the heart chambers provides some nutrients to the heart muscle cells.

Accepted Answer

A) True 
 B)False

Question 5

Figure 17.2
Using Figure 17.2, match the following:
-Ventricular repolarization.

Accepted Answer

The answer of  
Figure 17.2
Using Figure 17.2, match the...

Question 6

A patient was admitted to the hospital with chest pains. On admission, his pulse was 110 and blood pressure was 96/64. According to his history, his normal pulse rate is usually between 80 and 88 and his blood pressure runs from 120/70 to 130/80. Explain why these changes in BP and HR occur.

Accepted Answer

Increased heart rate (measured by taking...

Question 7

Autonomic regulation of heart rate is via two reflex centers found in the pons.

Accepted Answer

A) True 
 B)False

Question 8

The pacemaker rhythm that determines heart rate is called ________ rhythm.

Accepted Answer

The answer of The pacemaker rhythm that determines heart rate...

Question 9

During the period of ventricular filling ________.

Accepted Answer

A)   pressure in the heart is at its peak
B)   blood flows mostly passively through the atria and the open AV valves into the ventricles
C)   the atria remain in diastole
D)   it is represented by the P wave on the ECGE) None of the above
F) A) and B)

Question 10

An older woman complains of shortness of breath and intermittent fainting spells. Her doctor runs various tests and finds that the AV node is not functioning properly. What is the suggested treatment?

Accepted Answer

The suggested treatm...

Question 11

Match the following:
A) Endocardium
B) Myocardium
C) Epicardium
D) Parietal layer
-Serous layer covering the heart muscle.

Accepted Answer

The answer of Match the following:
A) Endocardium
B) Myocardium
C) Epicardium
D) Parietal...

Question 12

Heart murmurs or rubs are considered to be ________ sounds.

Accepted Answer

The answer of Heart murmurs or rubs are considered to...

Question 13

Match the following:
A) Quiescent period
B) Ischemia
C) Fibrillation
D) Infarction
E) Ectopic focus
-Total heart relaxation.

Accepted Answer

The answer of Match the following:
A) Quiescent period
B) Ischemia
C) Fibrillation
D)...

Question 14

Figure 17.1
Using Figure 17.1, match the following:
-Bundle branches.

Accepted Answer

The answer of  
Figure 17.1
Using Figure 17.1, match the...

Question 15

The left ventricular wall of the heart is thicker than the right wall in order to ________.

Accepted Answer

A)   accommodate a greater volume of blood
B)   expand the thoracic cage during diastole
C)   pump blood with greater pressure
D)   pump blood through a smaller valveE) A) and D)
F) B) and C)

Question 16

Which of the following factors does not influence heart rate?

Accepted Answer

A)   skin color
B)   age
C)   gender
D)   body temperatureE) B) and C)
F) None of the above

Question 17

Match the following:
A) Mitral valve
B) Pulmonary valve
C) Aortic valve
D) Tricuspid valve
-Prevents backflow into the left ventricle.

Accepted Answer

The answer of Match the following:
A) Mitral valve
B) Pulmonary valve
C)...

Question 18

Match the following:
A) Quiescent period
B) Ischemia
C) Fibrillation
D) Infarction
E) Ectopic focus
-A condition of rapid and irregular or out-of-phase contraction of heart muscle cells.

Accepted Answer

The answer of Match the following:
A) Quiescent period
B) Ischemia
C) Fibrillation
D)...

Question 19

Damage to the ________ is referred to as heart block.

Accepted Answer

A)   SA node
B)   AV valves
C)   AV bundle
D)   AV nodeE) A) and D)
F) A) and C)

Question 20

What is the functional importance of the intercalated discs of cardiac muscle? What is the functional importance of the fibrous skeleton of the heart?

Accepted Answer

Intercalated discs contain anchoring des...

Exam 17: The Cardiovascular System: the Heart

An older woman complains of shortness of breath and intermittent fainting spells. Her doctor runs various tests and finds that the AV node is not functioning properly. What is the suggested treatment?

Correct AnswerverifiedThe suggested treatm...View AnswerShow Answer

Match the following: A) Mitral valve B) Pulmonary valve C) Aortic valve D) Tricuspid valve -Prevents backflow into the left ventricle.

Correct AnswerverifiedShow Answer

During the period of ventricular filling ________.

Correct AnswerverifiedShow Answer

Blood in the heart chambers provides some nutrients to the heart muscle cells.

Correct AnswerverifiedShow Answer

Which of the following is not part of the conduction system of the heart?

Correct AnswerverifiedShow Answer

The left ventricular wall of the heart is thicker than the right wall in order to ________.

Correct AnswerverifiedShow Answer

A) B) C) D) Figure 17.3 Using Figure 17.3, match the following: -Normal sinus rhythm.

Correct AnswerverifiedShow Answer

The ________ valve of the heart has three valves with chordae tendineae.

Correct AnswerverifiedShow Answer

A patient was admitted to the hospital with chest pains. On admission, his pulse was 110 and blood pressure was 96/64. According to his history, his normal pulse rate is usually between 80 and 88 and his blood pressure runs from 120/70 to 130/80. Explain why these changes in BP and HR occur.

Correct AnswerverifiedIncreased heart rate (measured by taking...View AnswerShow Answer

Damage to the ________ is referred to as heart block.

Correct AnswerverifiedShow Answer

Which of the following factors does not influence heart rate?

Correct AnswerverifiedShow Answer

Heart murmurs or rubs are considered to be ________ sounds.

Correct AnswerverifiedShow Answer

Match the following: A) Quiescent period B) Ischemia C) Fibrillation D) Infarction E) Ectopic focus -Total heart relaxation.

Correct AnswerverifiedShow Answer

Autonomic regulation of heart rate is via two reflex centers found in the pons.

Correct AnswerverifiedShow Answer

Match the following: A) Endocardium B) Myocardium C) Epicardium D) Parietal layer -Serous layer covering the heart muscle.

Correct AnswerverifiedShow Answer

Match the following: A) Quiescent period B) Ischemia C) Fibrillation D) Infarction E) Ectopic focus -A condition of rapid and irregular or out-of-phase contraction of heart muscle cells.

Correct AnswerverifiedShow Answer

Figure 17.2 Using Figure 17.2, match the following: -Ventricular repolarization.

Correct AnswerverifiedShow Answer

The pacemaker rhythm that determines heart rate is called ________ rhythm.

Correct AnswerverifiedShow Answer

What is the functional importance of the intercalated discs of cardiac muscle? What is the functional importance of the fibrous skeleton of the heart?

Correct AnswerverifiedIntercalated discs contain anchoring des...View AnswerShow Answer

Figure 17.1 Using Figure 17.1, match the following: -Bundle branches.

Correct AnswerverifiedShow Answer

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The suggested treatm...
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Increased heart rate (measured by taking...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Intercalated discs contain anchoring des...
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Correct Answer
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