Question 1

Figure 21.5
   
Using the figure above, identify the labeled part.
-Label B: ______________________________

Accepted Answer

Internodal pathways

Question 2

Figure 21.4
   
Using the figure above, identify the labeled part.
-Label EE: ______________________________

Accepted Answer

Left common carotid artery

Question 3

A gurgling sound of blood caused by regurgitation in the heart is called a ________.

Accepted Answer

murmur

Question 4

The right ventricle

Accepted Answer

A) has thinner muscular walls than does the left ventricle. 
B) receives blood from the left atrium through the tricuspid valve. 
C) pumps blood out of the heart to the systemic circuit. 
D) sends blood out through the aortic semilunar valve. 
E) is connected to the pulmonary veins. 
A) has thinner muscular walls than does the left ventricle. 
B) receives blood from the left atrium through the tricuspid valve. 
C) pumps blood out of the heart to the systemic circuit. 
D) sends blood out through the aortic semilunar valve. 
E) is connected to the pulmonary veins.

Question 5

Blood travels from the left atrium to the left ventricle through the

Accepted Answer

A) semilunar valve. 
B) fossa ovalis. 
C) mitral valve. 
D) tricuspid valve. 
E) conus arteriosus. 
A) semilunar valve. 
B) fossa ovalis. 
C) mitral valve. 
D) tricuspid valve. 
E) conus arteriosus.

Question 6

Blood vessels traveling away from the heart are

Accepted Answer

A) arterioles. 
B) venules. 
C) capillaries. 
D) arteries. 
E) All of the answers are correct. 
A) arterioles. 
B) venules. 
C) capillaries. 
D) arteries. 
E) All of the answers are correct.

Question 7

Blood that is transported to and from all of the tissues of the body with the exception of the lungs is in the

Accepted Answer

A) arterial circuit. 
B) pulmonary circuit. 
C) systemic circuit. 
D) portal circuit. 
E) venous circuit. 
A) arterial circuit. 
B) pulmonary circuit. 
C) systemic circuit. 
D) portal circuit. 
E) venous circuit.

Question 8

Which of the following is true of the coronary arteries

Accepted Answer

A) They branch off the pulmonary veins. 
B) Together they supply part of the heart muscle with oxygen. 
C) They originate at the base of the aorta and are the first branches off this vessel. 
D) They open and close in pulsation with the contraction and relaxation of the heart ventricles. 
E) None of the answers are correct. 
A) They branch off the pulmonary veins. 
B) Together they supply part of the heart muscle with oxygen. 
C) They originate at the base of the aorta and are the first branches off this vessel. 
D) They open and close in pulsation with the contraction and relaxation of the heart ventricles. 
E) None of the answers are correct.

Question 9

Figure 21.3
   
Using the figure above, identify the labeled part.
-Label B: ______________________________

Accepted Answer

Left pulmo

Question 10

What is the likely diagnosis for a person who goes to the hospital for tests to determine the cause of angina pectoris

Accepted Answer

The cause of angina pectoris is diagnose

Question 11

Which of the following is true of the contraction of the heart

Accepted Answer

A) The ventricles contract first, followed by the atria. 
B) The contractions do not occur in any specific repeatable sequence each time. 
C) Cardiac contractions are coordinated by specialized conductive cardiac muscle fibers. 
D) The muscle obtains the beat from the pacemaker region exclusively. 
E) None of the answers are correct. 
A) The ventricles contract first, followed by the atria. 
B) The contractions do not occur in any specific repeatable sequence each time. 
C) Cardiac contractions are coordinated by specialized conductive cardiac muscle fibers. 
D) The muscle obtains the beat from the pacemaker region exclusively. 
E) None of the answers are correct.

Question 12

When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)

Accepted Answer

A) coronary thrombosis. 
B) pulmonary embolism. 
C) angina pectoris. 
D) myocardial infarction. 
E) None of the answers are correct. 
A) coronary thrombosis. 
B) pulmonary embolism. 
C) angina pectoris. 
D) myocardial infarction. 
E) None of the answers are correct.

Question 13

Figure 21.4
   
Using the figure above, identify the labeled part.
-Label F: ______________________________

Accepted Answer

The answer of Figure 21.4
   
Using the figure...

Question 14

Cardiac muscle differs from other muscle tissue in

Accepted Answer

A) no ways; it is not unusual. 
B) having striations. 
C) having fibers connected to one another at intercalated discs. 
D) having fewer mitochondria. 
E) having larger sized fibers than other striated muscles. 
A) no ways; it is not unusual. 
B) having striations. 
C) having fibers connected to one another at intercalated discs. 
D) having fewer mitochondria. 
E) having larger sized fibers than other striated muscles.

Question 15

The main pacemaker region of the heart is

Accepted Answer

A) electrically active nodal tissue located in the wall of the left ventricle. 
B) in the interventricular septum. 
C) able to cause the atria and ventricles to contract simultaneously. 
D) able to cause the muscle to begin to contract at the apex. 
E) in the wall of the right atrium. 
A) electrically active nodal tissue located in the wall of the left ventricle. 
B) in the interventricular septum. 
C) able to cause the atria and ventricles to contract simultaneously. 
D) able to cause the muscle to begin to contract at the apex. 
E) in the wall of the right atrium.

Question 16

Valves of the heart open and close due to

Accepted Answer

A) contraction of papillary muscles. 
B) timing sequences. 
C) electrical signals. 
D) pressure changes. 
E) None of the answers are correct. 
A) contraction of papillary muscles. 
B) timing sequences. 
C) electrical signals. 
D) pressure changes. 
E) None of the answers are correct.

Question 17

Figure 21.1
   
Using the figure above, identify the labeled part.
-Label G: ______________________________

Accepted Answer

The answer of Figure 21.1
   
Using the figure...

Question 18

Figure 21.5
   
Using the figure above, identify the labeled part.
-Label C: ______________________________

Accepted Answer

Atrioventr

Question 19

During their period of systole, the inner volume of the atrial chambers

Accepted Answer

A) does not change. 
B) decreases. 
C) remains the same, but the auricles enlarge rapidly. 
D) increases, as does the volume in the auricles. 
E) None of the answers are correct. 
A) does not change. 
B) decreases. 
C) remains the same, but the auricles enlarge rapidly. 
D) increases, as does the volume in the auricles. 
E) None of the answers are correct.

Question 20

Figure 21.3
   
Using the figure above, identify the labeled part.
-Label N: ______________________________

Accepted Answer

The answer of Figure 21.3
   
Using the figure...

Exam 21: The Cardiovascular System: The Heart

Figure 21.5 Using the figure above, identify the labeled part. -Label B: ______________________________

Figure 21.4 Using the figure above, identify the labeled part. -Label EE: ______________________________

A gurgling sound of blood caused by regurgitation in the heart is called a ________.

The right ventricle

Blood travels from the left atrium to the left ventricle through the

Blood vessels traveling away from the heart are

Blood that is transported to and from all of the tissues of the body with the exception of the lungs is in the

Which of the following is true of the coronary arteries

Figure 21.3 Using the figure above, identify the labeled part. -Label B: ______________________________

What is the likely diagnosis for a person who goes to the hospital for tests to determine the cause of angina pectoris

Which of the following is true of the contraction of the heart

When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)

Figure 21.4 Using the figure above, identify the labeled part. -Label F: ______________________________

Cardiac muscle differs from other muscle tissue in

The main pacemaker region of the heart is

Valves of the heart open and close due to

Figure 21.1 Using the figure above, identify the labeled part. -Label G: ______________________________

Figure 21.5 Using the figure above, identify the labeled part. -Label C: ______________________________

During their period of systole, the inner volume of the atrial chambers

Figure 21.3 Using the figure above, identify the labeled part. -Label N: ______________________________

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Vessels and Circulation

The Lymphoid System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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