Question 1

The correct sequence of heart wall layers from superficial to deep is epicardium, endocardium, and myocardium.

Accepted Answer

A) True 
 B)False

Question 2

The term for pain caused by deficient blood delivery to the heart wall is

Accepted Answer

A)   ischemia.
B)   angina pectoris.
C)   myocardial infarct.
D)   pericarditis.

Question 3

The atrioventricular valves cannot be inverted because attachment of ________.

Accepted Answer

The answer of The atrioventricular valves cannot be inverted because...

Question 4

The ________ valve prevents backflow of blood from the left ventricle to the left atrium.

Accepted Answer

mitral, le...

Question 5

Contraction of these structures tightens the chordae tendineae, preventing valve prolapse.

Accepted Answer

A)   trabeculae carneae
B)   pectinate muscles
C)   crista terminalis
D)   papillary muscles
E)   atrioventricular bundle

Question 6

Which structure develops from the embryological chamber called the sinus venosus?

Accepted Answer

A)   sinoatrial (S
A)   node
B)   the right ventricle
C)   the left atrium
D)   the pulmonary trunk

Question 7

If the beating heart makes a "lub-dup" sound, the "dup" sound is caused by

Accepted Answer

A)   the apex of the heart hitting the anterior chest wall.
B)   a stenotic atrioventricular valve.
C)   the large force of the contracting ventricles.
D)   vibrations that result from the semilunar valves slamming shut.

Question 8

Contraction of the ventricles begins at the apex and proceeds superiorly.

Accepted Answer

A) True 
 B)False

Question 9

Gap junctions and fasciae adherens are associated with ________ that join adjacent cardiac muscle cells.

Accepted Answer

The answer of Gap junctions and fasciae adherens are associated...

Question 10

The tricuspid valve is closed

Accepted Answer

A)   while the ventricle is in diastole.
B)   by movement of blood from atrium to ventricle.
C)   while the atrium is contracting.
D)   when the ventricle is in systole.

Question 11

In the pericardial sac, the ________ lies directly deep to the fibrous pericardium.

Accepted Answer

A)   pericardial cavity
B)   visceral layer of serous pericardium
C)   parietal layer of the serous pericardium
D)   epicardium

Question 12

The ________ artery supplies the left atrium and the posterior part of the left ventricle.

Accepted Answer

The answer of The ________ artery supplies the left atrium...

Question 13

What structures anchor the chordae tendineae?

Accepted Answer

A)   trabeculae carneae
B)   papillary muscles
C)   pectinate muscles
D)   semilunar valves

Question 14

Clinically, the posterior interventricular artery is referred to as the

Accepted Answer

A)   left artery ascending.
B)   left artery descending.
C)   posterior descending artery.
D)   posterior ascending artery.

Question 15

How did the sinoatrial (SA)  node most likely get its name?

Accepted Answer

A)   It is on the side of the atrium.
B)   It lies at the opening of the coronary sinus.
C)   It is damaged by sinus infections (head colds) .
D)   It develops from the sinus venosus and lies in an atrium.

Question 16

This blood vessel is located in the anterior interventricular sulcus.

Accepted Answer

A)   anterior cardiac vein
B)   great cardiac vein
C)   middle cardiac vein
D)   small cardiac vein

Question 17

At which corner point of the heart does one listen for the sound of the closing aortic semilunar valve?

Accepted Answer

A)   superior right
B)   inferior right
C)   superior left
D)   inferior left

Question 18

The electrical event that begins each heartbeat occurs at the sinoatrial (SA) node.

Accepted Answer

A) True 
 B)False

Question 19

Figure 19.1
Use the diagram above to answer the following questions.
-Identify the letter that indicates the left common carotid artery.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 20

Irregular ridges in the walls of the ventricles are called ________.

Accepted Answer

The answer of Irregular ridges in the walls of the...

Exam 19: The Heart

The electrical event that begins each heartbeat occurs at the sinoatrial (SA) node.

Correct AnswerverifiedShow Answer

Clinically, the posterior interventricular artery is referred to as the

Correct AnswerverifiedShow Answer

Contraction of the ventricles begins at the apex and proceeds superiorly.

Correct AnswerverifiedShow Answer

Which structure develops from the embryological chamber called the sinus venosus?

Correct AnswerverifiedShow Answer

The correct sequence of heart wall layers from superficial to deep is epicardium, endocardium, and myocardium.

Correct AnswerverifiedShow Answer

What structures anchor the chordae tendineae?

Correct AnswerverifiedShow Answer

How did the sinoatrial (SA) node most likely get its name?

Correct AnswerverifiedShow Answer

The atrioventricular valves cannot be inverted because attachment of ________.

Correct AnswerverifiedShow Answer

At which corner point of the heart does one listen for the sound of the closing aortic semilunar valve?

Correct AnswerverifiedShow Answer

In the pericardial sac, the ________ lies directly deep to the fibrous pericardium.

Correct AnswerverifiedShow Answer

Irregular ridges in the walls of the ventricles are called ________.

Correct AnswerverifiedShow Answer

Contraction of these structures tightens the chordae tendineae, preventing valve prolapse.

Correct AnswerverifiedShow Answer

Gap junctions and fasciae adherens are associated with ________ that join adjacent cardiac muscle cells.

Correct AnswerverifiedShow Answer

The ________ valve prevents backflow of blood from the left ventricle to the left atrium.

Correct Answerverifiedmitral, le...View AnswerShow Answer

The tricuspid valve is closed

Correct AnswerverifiedShow Answer

The term for pain caused by deficient blood delivery to the heart wall is

Correct AnswerverifiedShow Answer

This blood vessel is located in the anterior interventricular sulcus.

Correct AnswerverifiedShow Answer

The ________ artery supplies the left atrium and the posterior part of the left ventricle.

Correct AnswerverifiedShow Answer

If the beating heart makes a "lub-dup" sound, the "dup" sound is caused by

Correct AnswerverifiedShow Answer

Figure 19.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the left common carotid artery.

Correct AnswerverifiedShow 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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
mitral, le...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified