Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not an atrioventricular valve?

Accepted Answer

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

Question 3

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.

Question 4

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

Accepted Answer

The passage of a normal impulse through ...

Question 5

Semilunar valves open into:

Accepted Answer

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

Question 6

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.

Question 7

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 8

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

Accepted Answer

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

Question 9

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 10

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.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

The right atrioventricular valve is also called the:

Accepted Answer

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

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.

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

One of the heart valves is the mitral va...

Question 20

The cardiac cycle is one complete heartbeat.

Accepted Answer

A) True 
 B)False

Exam 28: Heart

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIOne of the heart valves is the mitral va...View AnswerShow Answer

Semilunar valves open into:

Correct AnswerverifiedShow Answer

All of the following are true statements except:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIThe passage of a normal impulse through ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The right atrioventricular valve is also called the:

Correct AnswerverifiedShow Answer

Which of the following is not an atrioventricular valve?

Correct AnswerverifiedShow Answer

The cardiac cycle is one complete heartbeat.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not true of the atria?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
One of the heart valves is the mitral va...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The passage of a normal impulse through ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified