Question 1

Which of the following happens when a person stands in one place for a long period of time?

Accepted Answer

A)  Gravity causes an increased accumulation of blood in the veins in the feet and legs. 
B)  Blood pressure rises in the venules of the feet. 
C)  Without muscular movement the pressure at the venous end of the capillaries increases. 
D)  Edema may occur in the lower extremities. 
E)  All of these choices are correct. 
A)  Gravity causes an increased accumulation of blood in the veins in the feet and legs. 
B)  Blood pressure rises in the venules of the feet. 
C)  Without muscular movement the pressure at the venous end of the capillaries increases. 
D)  Edema may occur in the lower extremities. 
E)  All of these choices are correct.

Question 2

Match the term with the best description.
-thoroughfare channels

Accepted Answer

A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds 
A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds

Question 3

In response to circulatory shock,

Accepted Answer

A)  the body decreases ADH secretion. 
B)  the renin-angiotensin mechanism is activated. 
C)  atrial natriuretic factor is released. 
D)  the vasomotor center is inhibited. 
E)  the baroreceptors and chemoreceptors are inactivated. 
A)  the body decreases ADH secretion. 
B)  the renin-angiotensin mechanism is activated. 
C)  atrial natriuretic factor is released. 
D)  the vasomotor center is inhibited. 
E)  the baroreceptors and chemoreceptors are inactivated.

Question 4

Match the vessel with the appropriate description.
-subclavian vein

Accepted Answer

A) drains blood from the arm 
B) superficial vein of the head and neck 
C) the posterior intercostals veins join this vein on the right side of the body 
D) deep vein that drains blood from the cranial vault 
E) formed by the union of the internal jugular and the subclavian veins 
A) drains blood from the arm 
B) superficial vein of the head and neck 
C) the posterior intercostals veins join this vein on the right side of the body 
D) deep vein that drains blood from the cranial vault 
E) formed by the union of the internal jugular and the subclavian veins

Question 5

Tracing the blood from the heart to the right hand, blood leaves the heart, passes through the ascending aorta, aortic arch, right subclavian artery, axillary and brachial arteries, either the radial or ulnar arteries and palmar arches to arrive at the hand. Which artery is missing in this sequence?

Accepted Answer

A)  cephalic 
B)  jugular 
C)  brachiocephalic 
D)  right common carotid 
E)  left subclavian artery 
A)  cephalic 
B)  jugular 
C)  brachiocephalic 
D)  right common carotid 
E)  left subclavian artery

Question 6

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

Accepted Answer

A)  ATP 
B)  lactic acid 
C)  ADP 
D)  carbon dioxide 
A)  ATP 
B)  lactic acid 
C)  ADP 
D)  carbon dioxide

Question 7

-The diagram illustrates a part of a capillary. What does "A" represent?

Accepted Answer

A)  basement membrane 
B)  RBC 
C)  capillary endothelial cell 
D)  nucleus of endothelial cell 
E)  precapillary cell 
A)  basement membrane 
B)  RBC 
C)  capillary endothelial cell 
D)  nucleus of endothelial cell 
E)  precapillary cell

Question 8

Compensatory shock is characterized by a narrowed pulse pressure. Which of the following blood pressure readings is an example of a narrowed pulse pressure?

Accepted Answer

A)  99/40 
B)  70/20 
C)  92/64 
D)  82/40 
E)  100/50 
A)  99/40 
B)  70/20 
C)  92/64 
D)  82/40 
E)  100/50

Question 9

Which of the following statements regarding regulation of local blood flow is true?

Accepted Answer

A)  Increased metabolic rate in a tissue increases capillary blood flow into the tissue. 
B)  Blood flow through capillaries is continuous. 
C)  Contraction of precapillary sphincters will increase blood flow to a capillary bed. 
D)  Increased levels of carbon dioxide increase the contraction of precapillary sphincters. 
E)  Tissue need for oxygen and amino acids will cause precapillary sphincters to contract. 
A)  Increased metabolic rate in a tissue increases capillary blood flow into the tissue. 
B)  Blood flow through capillaries is continuous. 
C)  Contraction of precapillary sphincters will increase blood flow to a capillary bed. 
D)  Increased levels of carbon dioxide increase the contraction of precapillary sphincters. 
E)  Tissue need for oxygen and amino acids will cause precapillary sphincters to contract.

Question 10

Arteriosclerosis is characterized by

Accepted Answer

A)  a thickening of the tunica adventitia. 
B)  increased elasticity of the tunica media. 
C)  decreased resistance to blood flow. 
D)  an enlargement of the lumen of the vessel. 
E)  thickening of the tunica intima and loss of elasticity in the tunica media. 
A)  a thickening of the tunica adventitia. 
B)  increased elasticity of the tunica media. 
C)  decreased resistance to blood flow. 
D)  an enlargement of the lumen of the vessel. 
E)  thickening of the tunica intima and loss of elasticity in the tunica media.

Question 11

The azygos vein drains blood from the _____ into the superior vena cava.

Accepted Answer

A)  head 
B)  upper arm 
C)  kidneys 
D)  thorax 
E)  abdominal wall 
A)  head 
B)  upper arm 
C)  kidneys 
D)  thorax 
E)  abdominal wall

Question 12

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

Accepted Answer

A)  the heart 
B)  the lungs 
C)  the esophagus 
D)  the intercostal muscles 
E)  the thymus gland 
A)  the heart 
B)  the lungs 
C)  the esophagus 
D)  the intercostal muscles 
E)  the thymus gland

Question 13

When a person rises quickly from a lying position, there is

Accepted Answer

A)  an increase in the frequency of action potentials produced by the baroreceptors. 
B)  an increase in vasomotor sympathetic stimulation to the blood vessels causing vasoconstriction. 
C)  reflexive slowing of the heart. 
D)  an increase of parasympathetic stimulation of the heart. 
E)  a decrease in heart rate and stroke volume. 
A)  an increase in the frequency of action potentials produced by the baroreceptors. 
B)  an increase in vasomotor sympathetic stimulation to the blood vessels causing vasoconstriction. 
C)  reflexive slowing of the heart. 
D)  an increase of parasympathetic stimulation of the heart. 
E)  a decrease in heart rate and stroke volume.

Question 14

Which of the following chemical substances, when released into the blood, would cause blood pressure to decrease?

Accepted Answer

A)  angiotensin II (active angiotensin) 
B)  aldosterone 
C)  ADH 
D)  vasopressin 
E)  atrial natriuretic hormone 
A)  angiotensin II (active angiotensin) 
B)  aldosterone 
C)  ADH 
D)  vasopressin 
E)  atrial natriuretic hormone

Question 15

-The figure illustrates the capillary network. What does "D" represent?

Accepted Answer

A)  precapillary sphincter 
B)  metarteriole 
C)  thoroughfare channel 
D)  arterial capillaries 
E)  venous capillaries 
A)  precapillary sphincter 
B)  metarteriole 
C)  thoroughfare channel 
D)  arterial capillaries 
E)  venous capillaries

Question 16

As the popliteal vein ascends the leg, it becomes the

Accepted Answer

A)  peroneal vein. 
B)  saphenous vein. 
C)  common iliac vein. 
D)  femoral vein. 
E)  deep femoral vein. 
A)  peroneal vein. 
B)  saphenous vein. 
C)  common iliac vein. 
D)  femoral vein. 
E)  deep femoral vein.

Question 17

-The figure illustrates the capillary network. What does "B" represent?

Accepted Answer

A)  precapillary sphincter 
B)  metarteriole 
C)  thoroughfare channel 
D)  arterial capillaries 
E)  venous capillaries 
A)  precapillary sphincter 
B)  metarteriole 
C)  thoroughfare channel 
D)  arterial capillaries 
E)  venous capillaries

Question 18

Match the term with the best description.
-precapillary sphincters

Accepted Answer

A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds 
A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds

Question 19

-On this diagram label pulse point "A".

Accepted Answer

A)  femoral artery 
B)  radial artery 
C)  common carotid artery 
D)  popliteal artery 
E)  brachial artery 
A)  femoral artery 
B)  radial artery 
C)  common carotid artery 
D)  popliteal artery 
E)  brachial artery

Question 20

In a capillary bed, relaxation of the precapillary sphincter

Accepted Answer

A)  causes more blood flow through thoroughfare channels. 
B)  causes less blood to flow through capillaries. 
C)  occurs when the tissue in the area does not need more oxygen. 
D)  is voluntary. 
E)  occurs when the tissue in the area needs more oxygen. 
A)  causes more blood flow through thoroughfare channels. 
B)  causes less blood to flow through capillaries. 
C)  occurs when the tissue in the area does not need more oxygen. 
D)  is voluntary. 
E)  occurs when the tissue in the area needs more oxygen.

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Which of the following happens when a person stands in one place for a long period of time?

Match the term with the best description. -thoroughfare channels

In response to circulatory shock,

Match the vessel with the appropriate description. -subclavian vein

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

-The diagram illustrates a part of a capillary. What does "A" represent?

Compensatory shock is characterized by a narrowed pulse pressure. Which of the following blood pressure readings is an example of a narrowed pulse pressure?

Which of the following statements regarding regulation of local blood flow is true?

Arteriosclerosis is characterized by

The azygos vein drains blood from the _____ into the superior vena cava.

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

When a person rises quickly from a lying position, there is

Which of the following chemical substances, when released into the blood, would cause blood pressure to decrease?

-The figure illustrates the capillary network. What does "D" represent?

As the popliteal vein ascends the leg, it becomes the

-The figure illustrates the capillary network. What does "B" represent?

Match the term with the best description. -precapillary sphincters

-On this diagram label pulse point "A".

In a capillary bed, relaxation of the precapillary sphincter

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints 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: the Heart

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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