Question 1

The Purkinje fibers:

Accepted Answer

A)  send electrical signals to the bundle of His. 
B)  are rapid conduction fibers that supply the ventricular myocardium. 
C)  are the specialized cells of the SA node. 
D)  are responsible for the P wave (ECG). 
A)  send electrical signals to the bundle of His. 
B)  are rapid conduction fibers that supply the ventricular myocardium. 
C)  are the specialized cells of the SA node. 
D)  are responsible for the P wave (ECG). B

Question 2

Blood flows from the vena cava to the pulmonary artery. Which structure is not included in this blood path?

Accepted Answer

A)  right ventricle 
B)  tricuspid valve 
C)  pulmonic semilunar valve 
D)  pulmonary veins 
A)  right ventricle 
B)  tricuspid valve 
C)  pulmonic semilunar valve 
D)  pulmonary veins D

Question 3

What is the cause of the heart sounds "lubb-dupp?"

Accepted Answer

A)  vibrations caused by closure of valves 
B)  firing of the sinoatrial (S
A)  node 
C)  movement of blood through the valves 
D)  flow of blood through the coronary vessels 
A)  vibrations caused by closure of valves 
B)  firing of the sinoatrial (S
A)  node 
C)  movement of blood through the valves 
D)  flow of blood through the coronary vessels A

Question 4

Oxygenated blood is found in which structure?

Accepted Answer

A)  right ventricle 
B)  right atrium 
C)  pulmonary artery 
D)  pulmonary veins 
A)  right ventricle 
B)  right atrium 
C)  pulmonary artery 
D)  pulmonary veins

Question 5

Which of the following is a sling-like structure that supports the heart?

Accepted Answer

A)  endocardium 
B)  epicardium 
C)  pericardium 
D)  myocardium 
A)  endocardium 
B)  epicardium 
C)  pericardium 
D)  myocardium

Question 6

Which structure is considered the pacemaker of the heart?

Accepted Answer

A)  the SA node 
B)  the AV node 
C)  the atrial conducting fibers 
D)  the Purkinje fibers 
A)  the SA node 
B)  the AV node 
C)  the atrial conducting fibers 
D)  the Purkinje fibers

Question 7

This term includes the venae cavae, pulmonary artery, pulmonary veins, and aorta.

Accepted Answer

A)  the great vessels 
B)  the inferior chamber 
C)  the angina pectoris 
D)  the base 
A)  the great vessels 
B)  the inferior chamber 
C)  the angina pectoris 
D)  the base

Question 8

Which chamber of the heart works the hardest?

Accepted Answer

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

Question 9

Which of the following is responsible for the opening and closing of heart valves?

Accepted Answer

A)  oxygen saturation of the blood in the heart chambers 
B)  hematocrit (HCT) 
C)  pressure within the heart chambers 
D)  tugging on the cusps 
A)  oxygen saturation of the blood in the heart chambers 
B)  hematocrit (HCT) 
C)  pressure within the heart chambers 
D)  tugging on the cusps

Question 10

The mitral valve is:

Accepted Answer

A)  a semilunar valve that sees oxygenated blood. 
B)  the right atrioventricular (AV) valve. 
C)  a cuspid valve. 
D)  a tricuspid valve. 
A)  a semilunar valve that sees oxygenated blood. 
B)  the right atrioventricular (AV) valve. 
C)  a cuspid valve. 
D)  a tricuspid valve.

The Purkinje fibers:

Blood flows from the vena cava to the pulmonary artery. Which structure is not included in this blood path?

What is the cause of the heart sounds "lubb-dupp?"

Oxygenated blood is found in which structure?

Which of the following is a sling-like structure that supports the heart?

Which structure is considered the pacemaker of the heart?

This term includes the venae cavae, pulmonary artery, pulmonary veins, and aorta.

Which chamber of the heart works the hardest?

Which of the following is responsible for the opening and closing of heart valves?

The mitral valve is:

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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Exam 16: Anatomy of the Heart

The Purkinje fibers:

Blood flows from the vena cava to the pulmonary artery. Which structure is not included in this blood path?

What is the cause of the heart sounds "lubb-dupp?"

Oxygenated blood is found in which structure?

Which of the following is a sling-like structure that supports the heart?

Which structure is considered the pacemaker of the heart?

This term includes the venae cavae, pulmonary artery, pulmonary veins, and aorta.

Which chamber of the heart works the hardest?

Which of the following is responsible for the opening and closing of heart valves?

The mitral valve is:

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters