Question 1

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 2

Figure 21.3
   
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label B.

Accepted Answer

A)  Left common carotid arteries 
B)  Pulmonary arteries 
C)  Left subclavian artery 
D)  Pulmonary veins 
E)  Venae cavae 
A)  Left common carotid arteries 
B)  Pulmonary arteries 
C)  Left subclavian artery 
D)  Pulmonary veins 
E)  Venae cavae

Question 3

Figure 21.4
   
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label W.

Accepted Answer

A)  Interventricular septum 
B)  Papillary muscle 
C)  Moderator band 
D)  Pectinate muscle 
E)  Interatrial septum 
A)  Interventricular septum 
B)  Papillary muscle 
C)  Moderator band 
D)  Pectinate muscle 
E)  Interatrial septum

Question 4

Figure 21.4
   
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label U.

Accepted Answer

A)  Bicuspid valve 
B)  Left atrioventricular (mitral) valve 
C)  Right atrioventricular (tricuspid) valve 
D)  Aortic valve 
E)  Pulmonary valve 
A)  Bicuspid valve 
B)  Left atrioventricular (mitral) valve 
C)  Right atrioventricular (tricuspid) valve 
D)  Aortic valve 
E)  Pulmonary valve

Question 5

Figure 21.3
   
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label A.

Accepted Answer

A)  Pulmonary vein 
B)  Left subclavian artery 
C)  Pulmonary artery 
D)  Aortic arch 
E)  Brachiocephalic trunk 
A)  Pulmonary vein 
B)  Left subclavian artery 
C)  Pulmonary artery 
D)  Aortic arch 
E)  Brachiocephalic trunk

Question 6

Figure 21.1
   
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label D.

Accepted Answer

A)  Pulmonary artery 
B)  Superior vena cava 
C)  Pulmonary vein 
D)  Inferior vena cava 
E)  Bronchus of lung 
A)  Pulmonary artery 
B)  Superior vena cava 
C)  Pulmonary vein 
D)  Inferior vena cava 
E)  Bronchus of lung

Question 7

The superior end of the right ventricle, which tapers to a smooth-walled pouch and ends at the pulmonary valve is called (the)________.

Accepted Answer

A)  auricle 
B)  conus arteriosus 
C)  aortic sinus 
D)  ligamentum arteriosum 
E)  fossa ovalis 
A)  auricle 
B)  conus arteriosus 
C)  aortic sinus 
D)  ligamentum arteriosum 
E)  fossa ovalis

Question 8

Blood exiting the left ventricle must pass through the ________ valve.

Accepted Answer

A)  left atrioventricular (mitral) 
B)  pulmonary 
C)  right atrioventricular (tricuspid) 
D)  bicuspid 
E)  aortic 
A)  left atrioventricular (mitral) 
B)  pulmonary 
C)  right atrioventricular (tricuspid) 
D)  bicuspid 
E)  aortic

Question 9

The left atrium receives oxygen-rich blood from the ________.

Accepted Answer

A)  coronary arteries 
B)  venae cavae 
C)  pulmonary veins 
D)  descending aorta 
E)  pulmonary arteries 
A)  coronary arteries 
B)  venae cavae 
C)  pulmonary veins 
D)  descending aorta 
E)  pulmonary arteries

Question 10

Cardiac muscle cells differ from skeletal muscle fibers in that the cardiac muscle cells are uniquely interconnected by (the)________.

Accepted Answer

A)  sarcoplasmic reticulum 
B)  Z discs 
C)  gap junctions 
D)  intercalated discs 
E)  T tubules 
A)  sarcoplasmic reticulum 
B)  Z discs 
C)  gap junctions 
D)  intercalated discs 
E)  T tubules

Valves of the heart open and close due to ________.

Figure 21.3 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Figure 21.4 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label W.

Figure 21.4 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label U.

Figure 21.3 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label A.

Figure 21.1 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

The superior end of the right ventricle, which tapers to a smooth-walled pouch and ends at the pulmonary valve is called (the)________.

Blood exiting the left ventricle must pass through the ________ valve.

The left atrium receives oxygen-rich blood from the ________.

Cardiac muscle cells differ from skeletal muscle fibers in that the cardiac muscle cells are uniquely interconnected by (the)________.

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 Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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Exam 21: The Cardiovascular System: The Heart

Valves of the heart open and close due to ________.

Figure 21.3 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Figure 21.4 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label W.

Figure 21.4 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label U.

Figure 21.3 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label A.

Figure 21.1 Using the above figure, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

The superior end of the right ventricle, which tapers to a smooth-walled pouch and ends at the pulmonary valve is called (the)________.

Blood exiting the left ventricle must pass through the ________ valve.

The left atrium receives oxygen-rich blood from the ________.

Cardiac muscle cells differ from skeletal muscle fibers in that the cardiac muscle cells are uniquely interconnected by (the)________.

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 Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

Filters