Question 1

The heart

Accepted Answer

A)  is a four-chambered muscular pump. 
B)  is posterior to the trachea. 
C)  is lined with an epithelial layer called the epicardium. 
D)  lies mostly to the right of the midline of the sternum. 
E)  has a superior apex and an inferior base. 
A)  is a four-chambered muscular pump. 
B)  is posterior to the trachea. 
C)  is lined with an epithelial layer called the epicardium. 
D)  lies mostly to the right of the midline of the sternum. 
E)  has a superior apex and an inferior base.

Question 2

Aortic stenosis results from

Accepted Answer

A)  a hole in the interatrial septum. 
B)  a weakening of heart muscle. 
C)  a narrowed opening through the aortic valve. 
D)  low oxygen levels. 
E)  leakage from the AV valves. 
A)  a hole in the interatrial septum. 
B)  a weakening of heart muscle. 
C)  a narrowed opening through the aortic valve. 
D)  low oxygen levels. 
E)  leakage from the AV valves.

Question 3

Which of the following situations would lead to a decrease in MAP?

Accepted Answer

A)  Participation in a spinning class 
B)  Participation in a 3-mile fun run 
C)  Practicing silent meditation for 20 minutes 
D)  All of the choices would lead to a decrease in MAP. 
A)  Participation in a spinning class 
B)  Participation in a 3-mile fun run 
C)  Practicing silent meditation for 20 minutes 
D)  All of the choices would lead to a decrease in MAP.

Question 4

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Accepted Answer

A)  R wave 
B)  QRS wave 
C)  P wave 
D)  S wave 
E)  T wave 
A)  R wave 
B)  QRS wave 
C)  P wave 
D)  S wave 
E)  T wave

Question 5

Oxygen-poor blood passes through the ________.

Accepted Answer

A)  right AV (tricuspid) and pulmonary valves 
B)  right AV (tricuspid) valve only 
C)  left AV (mitral) and aortic valves 
D)  left AV (mitral) valve only 
E)  pulmonary and aortic valves 
A)  right AV (tricuspid) and pulmonary valves 
B)  right AV (tricuspid) valve only 
C)  left AV (mitral) and aortic valves 
D)  left AV (mitral) valve only 
E)  pulmonary and aortic valves

Question 6

An incompetent pulmonary semilunar valve could result in less blood reaching the

Accepted Answer

A)  lungs. 
B)  heart muscle. 
C)  right ventricle. 
D)  aorta. 
E)  right atrium. 
A)  lungs. 
B)  heart muscle. 
C)  right ventricle. 
D)  aorta. 
E)  right atrium.

Question 7

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity)?

Accepted Answer

A)  Preload 
B)  Stroke volume 
C)  End-diastolic volume 
D)  All of the choices are correct. 
A)  Preload 
B)  Stroke volume 
C)  End-diastolic volume 
D)  All of the choices are correct.

The heart

Aortic stenosis results from

Which of the following situations would lead to a decrease in MAP?

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Oxygen-poor blood passes through the ________.

An incompetent pulmonary semilunar valve could result in less blood reaching the

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity)?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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Exam 20: Cardiovascular System: the Heart

The heart

Aortic stenosis results from

Which of the following situations would lead to a decrease in MAP?

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.

Oxygen-poor blood passes through the ________.

An incompetent pulmonary semilunar valve could result in less blood reaching the

Which of the following factors would be altered as a result of cardiac tamponade (fluid accumulation in the pericardial cavity)?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters