Question 1

Which of the following are not tributaries of the inferior vena cava?

Accepted Answer

A)  The hepatic veins 
B)  The internal and external iliac veins 
C)  The inferior phrenic veins 
D)  The vertebral veins 
E)  The lumbar veins 
A)  The hepatic veins 
B)  The internal and external iliac veins 
C)  The inferior phrenic veins 
D)  The vertebral veins 
E)  The lumbar veins D

Question 2

What is the most important force in venous flow?

Accepted Answer

A)  Cardiac suction 
B)  The pressure generated by the heart 
C)  The skeletal muscle pump 
D)  The thoracic (respiratory)pump 
E)  The one way flow due to valves 
A)  Cardiac suction 
B)  The pressure generated by the heart 
C)  The skeletal muscle pump 
D)  The thoracic (respiratory)pump 
E)  The one way flow due to valves B

Question 3

Which of the following constitutes the principal venous drainage of the thoracic organs?

Accepted Answer

A)  The branches of the celiac trunk 
B)  The azygos system 
C)  The mesenteric circulation 
D)  The hepatic portal system 
E)  The coronary and pulmonary veins 
A)  The branches of the celiac trunk 
B)  The azygos system 
C)  The mesenteric circulation 
D)  The hepatic portal system 
E)  The coronary and pulmonary veins B

Question 4

What causes reactive hyperemia to increase tissue perfusion?

Accepted Answer

A)  Urinary controls 
B)  Neural controls 
C)  Hormonal controls 
D)  Local controls 
E)  Respiratory controls 
A)  Urinary controls 
B)  Neural controls 
C)  Hormonal controls 
D)  Local controls 
E)  Respiratory controls

Question 5

Where is the vasomotor center located?

Accepted Answer

A)  Hypothalamus 
B)  Medulla oblongata 
C)  Spinal cord 
D)  Cerebellum 
E)  Cerebral cortex 
A)  Hypothalamus 
B)  Medulla oblongata 
C)  Spinal cord 
D)  Cerebellum 
E)  Cerebral cortex

Question 6

A mean arterial pressure below 60 mmHg can cause which of the following?

Accepted Answer

A)  Neurogenic shock 
B)  Cardiogenic shock 
C)  Compensated shock 
D)  Cerebral edema 
E)  Syncope 
A)  Neurogenic shock 
B)  Cardiogenic shock 
C)  Compensated shock 
D)  Cerebral edema 
E)  Syncope

Question 7

Which of the following statements about TIAs and CVAs is true?

Accepted Answer

A)  TIAs are often early warning signs of an impending stroke. 
B)  TIAs are the result of brain tissue death caused by ischemia. 
C)  A CVA usually results from spasms of diseased cerebral arteries. 
D)  TIAs often result in blindness and paralysis. 
A)  TIAs are often early warning signs of an impending stroke. 
B)  TIAs are the result of brain tissue death caused by ischemia. 
C)  A CVA usually results from spasms of diseased cerebral arteries. 
D)  TIAs often result in blindness and paralysis.

Question 8

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Accepted Answer

A)  Compensated 
B)  Anaphylactic 
C)  Neurogenic 
D)  Cardiogenic 
E)  Septic 
A)  Compensated 
B)  Anaphylactic 
C)  Neurogenic 
D)  Cardiogenic 
E)  Septic

Question 9

Which of the following is absent in humans?

Accepted Answer

A)  Right and left common carotid arteries 
B)  Right and left brachiocephalic arteries 
C)  Right and left brachiocephalic veins 
D)  Right and left subclavian veins 
E)  Right and left subclavian arteries 
A)  Right and left common carotid arteries 
B)  Right and left brachiocephalic arteries 
C)  Right and left brachiocephalic veins 
D)  Right and left subclavian veins 
E)  Right and left subclavian arteries

Question 10

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

Accepted Answer

A)  similar 
B)  a little lower 
C)  considerably lower 
D)  considerably higher 
E)  a little higher 
A)  similar 
B)  a little lower 
C)  considerably lower 
D)  considerably higher 
E)  a little higher

Question 11

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

Accepted Answer

A)  Increased respiratory rate 
B)  Vasoconstriction 
C)  Increased heart rate 
D)  Venous pooling 
A)  Increased respiratory rate 
B)  Vasoconstriction 
C)  Increased heart rate 
D)  Venous pooling

Question 12

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Accepted Answer

A) True 
 B)False

Question 13

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

Accepted Answer

A) True 
 B)False

Question 14

The radial artery is lateral to the ulnar artery.

Accepted Answer

A) True 
 B)False

Question 15

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

Accepted Answer

A)  resistance 
B)  capacitance 
C)  hydrodynamic 
D)  compliance 
E)  fenestrated 
A)  resistance 
B)  capacitance 
C)  hydrodynamic 
D)  compliance 
E)  fenestrated

Question 16

During exercise,arterioles to the skeletal muscles __________.

Accepted Answer

A)  dilate in response to increased muscle metabolites 
B)  constrict in response to increased muscle metabolites 
C)  dilate in response to increased O2 and decreased CO2 
D)  constrict in response to increased O2 and decreased CO2 
A)  dilate in response to increased muscle metabolites 
B)  constrict in response to increased muscle metabolites 
C)  dilate in response to increased O2 and decreased CO2 
D)  constrict in response to increased O2 and decreased CO2

Question 17

What is the mean arterial pressure for a person with 110 and 65 mm Hg as systolic and diastolic pressure,respectively?

Accepted Answer

A)  45 mm Hg 
B)  80 mm Hg 
C)  87.5 mm Hg 
D)  90 mm Hg 
E)  175 mm Hg 
A)  45 mm Hg 
B)  80 mm Hg 
C)  87.5 mm Hg 
D)  90 mm Hg 
E)  175 mm Hg

Question 18

How many pulmonary arteries empty into the right atrium of the heart?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  4 
E)  8 
A)  0 
B)  1 
C)  2 
D)  4 
E)  8

Question 19

A nurse takes your blood pressure and tells you the numbers are 110/70.What are your blood pressures?

Accepted Answer

A)  Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 83 mmMg 
B)  Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMg 
C)  Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 107 mmMg 
D)  Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMg 
A)  Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 83 mmMg 
B)  Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMg 
C)  Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 107 mmMg 
D)  Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMg

Question 20

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP)fluctuates from 60 to 140 mm Hg.

Accepted Answer

A)  hypothalamus 
B)  adrenal gland 
C)  stomach 
D)  skeletal muscles 
E)  kidneys 
A)  hypothalamus 
B)  adrenal gland 
C)  stomach 
D)  skeletal muscles 
E)  kidneys

Exam 20: The Circulatory System: Blood Vessels and Circulation

Which of the following are not tributaries of the inferior vena cava?

What is the most important force in venous flow?

Which of the following constitutes the principal venous drainage of the thoracic organs?

What causes reactive hyperemia to increase tissue perfusion?

Where is the vasomotor center located?

A mean arterial pressure below 60 mmHg can cause which of the following?

Which of the following statements about TIAs and CVAs is true?

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Which of the following is absent in humans?

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

The radial artery is lateral to the ulnar artery.

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

During exercise,arterioles to the skeletal muscles __________.

What is the mean arterial pressure for a person with 110 and 65 mm Hg as systolic and diastolic pressure,respectively?

How many pulmonary arteries empty into the right atrium of the heart?

A nurse takes your blood pressure and tells you the numbers are 110/70.What are your blood pressures?

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP)fluctuates from 60 to 140 mm Hg.

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Genetics of Cellular Function

Histology

The Integumentary System

Bone Tissue

The Skeletal System

Joints

The Muscular System

Muscular Tissue

Nervous Tissue

The Spinal Cord,spinal Nerves,and Somatic Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System and Visceral Reflexes

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Heart

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

Fluid, electrolyte, and Acidbase Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Atlas a General Orientation to Human Anatomy

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