Question 1

Select the description below that describes pulmonary circulation.

Accepted Answer

A)  System of blood vessels that carries blood from the heart to the lungs and back to the right atrium of the heart. 
B)  System of blood vessels that a carries blood from the heart to the rest of the body. 
C)  Finely dissected blood vessels that allow for the exchange of nutrients in the tissues. 
D)  System of blood vessels that carries blood from the heart to the lungs and back to the left atrium of the heart. 
A)  System of blood vessels that carries blood from the heart to the lungs and back to the right atrium of the heart. 
B)  System of blood vessels that a carries blood from the heart to the rest of the body. 
C)  Finely dissected blood vessels that allow for the exchange of nutrients in the tissues. 
D)  System of blood vessels that carries blood from the heart to the lungs and back to the left atrium of the heart. D

Question 2

Which type of vessel has the greatest compliance?

Accepted Answer

A) arteries 
B) veins 
C) arterioles 
D) capillaries 
A) arteries 
B) veins 
C) arterioles 
D) capillaries B

Question 3

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 C

Question 4

Which statement about precapillary sphincters is CORRECT?

Accepted Answer

A) They contract when oxygen levels in the tissue are low. 
B) They can close off the capillaries by contracting. 
C) They are openings that allow large molecules and blood cells to leave the capillary. 
D) When the precapillary sphincters are open,blood flows only through the thoroughfare channels. 
E) They are voluntary. 
A) They contract when oxygen levels in the tissue are low. 
B) They can close off the capillaries by contracting. 
C) They are openings that allow large molecules and blood cells to leave the capillary. 
D) When the precapillary sphincters are open,blood flows only through the thoroughfare channels. 
E) They are voluntary.

Question 5

Match the term with the best description.
-a characteristic of aging arteries

Accepted Answer

A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases,the force holding it open decreases,and the vessel tends to collapse 
E) a characteristic of the venous system 
A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases,the force holding it open decreases,and the vessel tends to collapse 
E) a characteristic of the venous system

Question 6

Art is 75.He has advanced arteriosclerosis.He is suffering from a number of manifestations,which are consistent with his arteriosclerosis.Over the past several years he has developed hypertension and he is beginning to show signs of renal failure.Which of the following are consistent with his condition?

Accepted Answer

A) increased resistance to blood flow 
B) increased renin secretion from the kidneys 
C) increased aldosterone secretion from the adrenal cortex 
D) increased angiotensinogen formation 
E) All of these choices is correct. 
A) increased resistance to blood flow 
B) increased renin secretion from the kidneys 
C) increased aldosterone secretion from the adrenal cortex 
D) increased angiotensinogen formation 
E) All of these choices is correct.

Question 7

Match the term with the best description.
-Laplace's Law

Accepted Answer

A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases,the force holding it open decreases,and the vessel tends to collapse 
E) a characteristic of the venous system 
A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases,the force holding it open decreases,and the vessel tends to collapse 
E) a characteristic of the venous system

Question 8

Match the term with the appropriate description.
-aneurysm

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 9

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 10

Match the vessel with the appropriate description.
-thoracic visceral artery

Accepted Answer

A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen 
A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen

Question 11

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 12

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 13

Which function does the circulatory system share with the heart?

Accepted Answer

A) directs blood flow to tissues 
B) exchanges nutrients and wastes with cells 
C) transports hormones to all areas of the body 
D) regulates blood pressure 
A) directs blood flow to tissues 
B) exchanges nutrients and wastes with cells 
C) transports hormones to all areas of the body 
D) regulates blood pressure

Question 14

Match the vessel with the appropriate description.
-celiac trunk

Accepted Answer

A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen 
A) supplies blood to the diaphragm 
B) supplies blood to the esophagus 
C) supplies blood to the thoracic wall 
D) supplies blood to the pancreas and small intestine 
E) supplies blood to the stomach,liver,and spleen

Question 15

Atrial natriuretic factor

Accepted Answer

A) is released in response to elevated atrial pressure. 
B) stimulates the release of ADH. 
C) decreases urine production. 
D) stimulates release of aldosterone. 
E) increases blood volume. 
A) is released in response to elevated atrial pressure. 
B) stimulates the release of ADH. 
C) decreases urine production. 
D) stimulates release of aldosterone. 
E) increases blood volume.

Question 16

Continuous capillaries

Accepted Answer

A) have many thin areas called fenestrae. 
B) are freely permeable to large molecules such as hormones. 
C) have a wall where the endothelial cells fit very tightly together. 
D) are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries. 
E) are characterized by continuous pores. 
A) have many thin areas called fenestrae. 
B) are freely permeable to large molecules such as hormones. 
C) have a wall where the endothelial cells fit very tightly together. 
D) are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries. 
E) are characterized by continuous pores.

Question 17

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 18

When vasodilation doubles the vessel diameter,what is the change in resistance?

Accepted Answer

A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value 
A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value

Question 19

Match the term with the appropriate description.
-stroke

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 20

Match the vessel with the appropriate description.
-anterior cerebral artery

Accepted Answer

A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta 
A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Select the description below that describes pulmonary circulation.

Which type of vessel has the greatest compliance?

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 statement about precapillary sphincters is CORRECT?

Match the term with the best description. -a characteristic of aging arteries

Match the term with the best description. -Laplace's Law

Match the term with the appropriate description. -aneurysm

The hepatic portal system

Match the vessel with the appropriate description. -thoracic visceral artery

Match the term with the best description. -endothelium

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

Which function does the circulatory system share with the heart?

Match the vessel with the appropriate description. -celiac trunk

Atrial natriuretic factor

Continuous capillaries

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

When vasodilation doubles the vessel diameter,what is the change in resistance?

Match the term with the appropriate description. -stroke

Match the vessel with the appropriate description. -anterior cerebral artery

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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