Question 1

The period between the filling of the ventricles and the opening of the semilunar valves is called:

Accepted Answer

A)  atrial systole. 
B)  isovolumetric ventricular contraction. 
C)  isovolumetric ventricular relaxation. 
D)  passive ventricular filling. 
A)  atrial systole. 
B)  isovolumetric ventricular contraction. 
C)  isovolumetric ventricular relaxation. 
D)  passive ventricular filling.

Question 2

The right atrioventricular valve is also called the:

Accepted Answer

A)  bicuspid. 
B)  tricuspid. 
C)  mitral. 
D)  aortic. 
A)  bicuspid. 
B)  tricuspid. 
C)  mitral. 
D)  aortic.

Question 3

Define cardiac tamponade and explain how it can affect the heart.

Accepted Answer

The answer of Define cardiac tamponade and explain how it...

Question 4

The pericardium is able to stretch in response to the contraction and relaxation of the heart.

Accepted Answer

A) True 
 B)False

Question 5

The last wave in an ECG terminates the cardiac cycle; because of this, it is called the T wave.

Accepted Answer

A) True 
 B)False

Question 6

The epicardium and the visceral layer of the serous pericardium are the same structure.

Accepted Answer

A) True 
 B)False

Question 7

Blood from the superior vena cava enters which part of the heart?

Accepted Answer

A)  Right atrium 
B)  Right ventricle 
C)  Left atrium 
D)  Left ventricle 
A)  Right atrium 
B)  Right ventricle 
C)  Left atrium 
D)  Left ventricle

Question 8

Chordae tendineae are cordlike structures that connect semilunar valves to papillary muscles.

Accepted Answer

A) True 
 B)False

Question 9

The cardiac cycle is one complete heartbeat.

Accepted Answer

A) True 
 B)False

Question 10

The base of the heart is superior to the apex of the heart.

Accepted Answer

A) True 
 B)False

Question 11

The general function of both sets of valves in the heart is to prevent blood from flowing back to the chamber it just left.

Accepted Answer

A) True 
 B)False

Question 12

The ventricle of the heart that ejects blood toward the lungs is the:

Accepted Answer

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

Question 13

Which of the following is not an atrioventricular valve?

Accepted Answer

A)  Aortic 
B)  Mitral 
C)  Bicuspid 
D)  Tricuspid 
A)  Aortic 
B)  Mitral 
C)  Bicuspid 
D)  Tricuspid

Question 14

All of the following are true statements except:

Accepted Answer

A)  the right coronary artery is dominant in about 50% of all hearts. 
B)  both atria receive their blood supply from branches of the right and left coronary arteries. 
C)  the more abundant blood supply goes to the myocardium of the left ventricle rather than the right ventricle. 
D)  only a few connections, or anastomoses, exist between the larger branches of the coronary arteries. 
A)  the right coronary artery is dominant in about 50% of all hearts. 
B)  both atria receive their blood supply from branches of the right and left coronary arteries. 
C)  the more abundant blood supply goes to the myocardium of the left ventricle rather than the right ventricle. 
D)  only a few connections, or anastomoses, exist between the larger branches of the coronary arteries.

Question 15

Which of the following is not true of the atria?

Accepted Answer

A)  They have thinner myocardial walls than do ventricles. 
B)  They are the same structure as the auricle. 
C)  They are called receiving chambers of the heart. 
D)  All of the above are true of the atria. 
A)  They have thinner myocardial walls than do ventricles. 
B)  They are the same structure as the auricle. 
C)  They are called receiving chambers of the heart. 
D)  All of the above are true of the atria.

Question 16

Residual volume refers to the blood that remains in the ventricle after the ejection period.

Accepted Answer

A) True 
 B)False

Question 17

Select one heart valve. Give its name, location, and function.

Accepted Answer

One of the heart valves is the mitral va

Question 18

Describe the passage of a normal impulse through the conduction systems of the heart.

Accepted Answer

The passage of a normal impulse through

Question 19

The sinoatrial node is in the right atrium, where the superior vena cava attaches.

Accepted Answer

A) True 
 B)False

Question 20

Semilunar valves open into:

Accepted Answer

A)  the aorta. 
B)  the pulmonary artery. 
C)  the ventricles of the heart. 
D)  both A and B. 
A)  the aorta. 
B)  the pulmonary artery. 
C)  the ventricles of the heart. 
D)  both A and B.

Exam 28: Heart

The period between the filling of the ventricles and the opening of the semilunar valves is called:

The right atrioventricular valve is also called the:

Define cardiac tamponade and explain how it can affect the heart.

The pericardium is able to stretch in response to the contraction and relaxation of the heart.

The last wave in an ECG terminates the cardiac cycle; because of this, it is called the T wave.

The epicardium and the visceral layer of the serous pericardium are the same structure.

Blood from the superior vena cava enters which part of the heart?

Chordae tendineae are cordlike structures that connect semilunar valves to papillary muscles.

The cardiac cycle is one complete heartbeat.

The base of the heart is superior to the apex of the heart.

The general function of both sets of valves in the heart is to prevent blood from flowing back to the chamber it just left.

The ventricle of the heart that ejects blood toward the lungs is the:

Which of the following is not an atrioventricular valve?

All of the following are true statements except:

Which of the following is not true of the atria?

Residual volume refers to the blood that remains in the ventricle after the ejection period.

Select one heart valve. Give its name, location, and function.

Describe the passage of a normal impulse through the conduction systems of the heart.

The sinoatrial node is in the right atrium, where the superior vena cava attaches.

Semilunar valves open into:

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