Question 1

The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Accepted Answer

The answer of The viscosity of blood is influenced largely...

Question 2

Use the following key to choose the most correct answer.
-(1) systolic pressure;
(2) diastolic pressure

Accepted Answer

A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item. 
A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item.

Question 3

Which kind of vessel provides a bypass for a capillary bed?

Accepted Answer

A)  sinusoid 
B)  portal vein 
C)  thoroughfare channel 
D)  vasa vasorum 
E)  metarteriole 
A)  sinusoid 
B)  portal vein 
C)  thoroughfare channel 
D)  vasa vasorum 
E)  metarteriole

Question 4

Which of the following organs would be most likely to contain fenestrated capillaries?

Accepted Answer

A)  spleen 
B)  kidney 
C)  bone marrow 
D)  muscle 
E)  pancreas 
A)  spleen 
B)  kidney 
C)  bone marrow 
D)  muscle 
E)  pancreas

Question 5

The hepatic portal system

Accepted Answer

A)  begins and ends with capillary beds. 
B)  transports nutrients from the digestive tract to the liver. 
C)  allows the liver to detoxify substances entering the body through the digestive tract. 
D)  has no pumping mechanism between the capillary beds. 
E)  All of these choice are correct. 
A)  begins and ends with capillary beds. 
B)  transports nutrients from the digestive tract to the liver. 
C)  allows the liver to detoxify substances entering the body through the digestive tract. 
D)  has no pumping mechanism between the capillary beds. 
E)  All of these choice are correct.

Question 6

Edema can occur when there is

Accepted Answer

A)  an increase in the amount of plasma proteins. 
B)  a decrease in capillary permeability to proteins. 
C)  a decrease in blood pressure. 
D)  a blockage of the lymphatics. 
E)  an increase in blood colloid osmotic pressure. 
A)  an increase in the amount of plasma proteins. 
B)  a decrease in capillary permeability to proteins. 
C)  a decrease in blood pressure. 
D)  a blockage of the lymphatics. 
E)  an increase in blood colloid osmotic pressure.

Question 7

According to the Laplace's Law, as the diameter of a blood vessel increases, the force applied to the wall of that vessel

Accepted Answer

A)  increases. 
B)  decreases. 
C)  increases, then decreases. 
D)  remains the same. 
E)  None of these choices is correct. 
A)  increases. 
B)  decreases. 
C)  increases, then decreases. 
D)  remains the same. 
E)  None of these choices is correct.

Question 8

Fill in the missing blood vessel.
abdominal aorta; _____________; splenic artery

Accepted Answer

The answer of Fill in the missing blood vessel.
abdominal aorta;...

Question 9

The _______ arteries branch from the ascending aorta.

Accepted Answer

The answer of The _______ arteries branch from the ascending...

Question 10

Match the term with the best description.
-endothelium

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 11

Fill in the missing blood vessel.
femoral artery; _____________; posterior tibial artery

Accepted Answer

The answer of Fill in the missing blood vessel.
femoral artery;...

Question 12

Match the term with the appropriate description.
-vasa vasorum

Accepted Answer

A) a bulge (a weak spot) in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries 
A) a bulge (a weak spot) in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries

Question 13

Which of the following is NOT a major point where the pulse can be monitored?

Accepted Answer

A)  common carotid artery 
B)  facial artery 
C)  popliteal artery 
D)  ulnar artery 
A)  common carotid artery 
B)  facial artery 
C)  popliteal artery 
D)  ulnar artery

Question 14

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

Accepted Answer

A)  hemiazygos vein 
B)  left azygos vein 
C)  internal thoracic vein 
D)  accessory hemiazygos vein 
A)  hemiazygos vein 
B)  left azygos vein 
C)  internal thoracic vein 
D)  accessory hemiazygos vein

Question 15

Match the term with the appropriate description.
-necrotic tissue

Accepted Answer

A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia 
A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia

Question 16

Which coat of an artery contains endothelium?

Accepted Answer

A)  tunica intima 
B)  tunica media 
C)  tunica adventitia 
D)  tunica elastica 
E)  tunica intermedia 
A)  tunica intima 
B)  tunica media 
C)  tunica adventitia 
D)  tunica elastica 
E)  tunica intermedia

Question 17

Explain the drop in blood pressure that occurs when one goes from lying down to standing up.

Accepted Answer

A)  The heart rate decreases. This is due to the baroreceptor reflex reducing sympathetic output to the SA node. 
B)  An increase in afterload causes a drop in stroke volume, cardiac output, and blood pressure. 
C)  An increase in preload causes a drop in stroke volume, cardiac output, and blood pressure. 
D)  Venous compliance allows blood to pool in the legs, decreasing venous return. This causes a drop in cardiac output and blood pressure. 
A)  The heart rate decreases. This is due to the baroreceptor reflex reducing sympathetic output to the SA node. 
B)  An increase in afterload causes a drop in stroke volume, cardiac output, and blood pressure. 
C)  An increase in preload causes a drop in stroke volume, cardiac output, and blood pressure. 
D)  Venous compliance allows blood to pool in the legs, decreasing venous return. This causes a drop in cardiac output and blood pressure.

Question 18

If a person develops high blood pressure, one of the compensatory mechanisms that comes into play is the fluid shift mechanism. This mechanism causes

Accepted Answer

A)  water to shift from inside cells into the extracellular fluid. 
B)  water to shift from the capillaries into the interstitial spaces. 
C)  water to shift from the interstitial space into the capillaries. 
D)  increased filtration in the kidney, thereby increasing urine output. 
E)  water to stay inside the capillaries. 
A)  water to shift from inside cells into the extracellular fluid. 
B)  water to shift from the capillaries into the interstitial spaces. 
C)  water to shift from the interstitial space into the capillaries. 
D)  increased filtration in the kidney, thereby increasing urine output. 
E)  water to stay inside the capillaries.

Question 19

Which of the following is NOT a long-term regulator of blood pressure?

Accepted Answer

A)  renin-angiotensin-aldosterone mechanism 
B)  vasopressin mechanism 
C)  stress-relaxation response 
D)  oxygen tension response 
A)  renin-angiotensin-aldosterone mechanism 
B)  vasopressin mechanism 
C)  stress-relaxation response 
D)  oxygen tension response

Question 20

The lining of a capillary is called the

Accepted Answer

A)  endothelium. 
B)  adventitia. 
C)  pericapillary layer. 
D)  thoroughfare layer. 
E)  tunica adventitia. 
A)  endothelium. 
B)  adventitia. 
C)  pericapillary layer. 
D)  thoroughfare layer. 
E)  tunica adventitia.

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Use the following key to choose the most correct answer. -(1) systolic pressure; (2) diastolic pressure

Which kind of vessel provides a bypass for a capillary bed?

Which of the following organs would be most likely to contain fenestrated capillaries?

The hepatic portal system

Edema can occur when there is

According to the Laplace's Law, as the diameter of a blood vessel increases, the force applied to the wall of that vessel

Fill in the missing blood vessel. abdominal aorta; _____________; splenic artery

The _______ arteries branch from the ascending aorta.

Match the term with the best description. -endothelium

Fill in the missing blood vessel. femoral artery; _____________; posterior tibial artery

Match the term with the appropriate description. -vasa vasorum

Which of the following is NOT a major point where the pulse can be monitored?

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

Match the term with the appropriate description. -necrotic tissue

Which coat of an artery contains endothelium?

Explain the drop in blood pressure that occurs when one goes from lying down to standing up.

If a person develops high blood pressure, one of the compensatory mechanisms that comes into play is the fluid shift mechanism. This mechanism causes

Which of the following is NOT a long-term regulator of blood pressure?

The lining of a capillary is called the

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, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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