Question 1

Usually there is only one capillary bed between an artery and vein; an exception to this is the

Accepted Answer

A)   coronary vessels that serve the heart.
B)   pulmonary system that serves the lungs and where all factors are reversed.
C)   hepatic portal system which runs from the capillary bed in the intestine to the capillary bed in the liver via a hepatic portal vein.
D)   brain circulation which requires special continuous blood flow.
E)   large bones that lack capillaries but are fed by an artery/vein system.F) A) and E)
G) A) and C)

Question 2

Which structure(s) would be subject to the lowest blood pressure?

Accepted Answer

A)   vena cava
B)   aorta
C)   atrioventricular valve
D)   pulmonary arteries
E)   semilunar valveF) C) and D)
G) C) and E)

Question 3

Aged red blood cells are destroyed in the

Accepted Answer

A)   red bone marrow.
B)   lungs.
C)   lymph nodes.
D)   spleen and liver.
E)   capillaries.F) A) and C)
G) B) and E) D

Question 4

Which of the following is a true statement about tissue fluid?

Accepted Answer

A)   Tissue fluid exits from white blood cells.
B)   Tissue fluid exits the capillary at the venous end.
C)   Tissue fluid is collected by the lymphatic capillaries.
D)   Tissue fluid contains more protein than blood.
E)   Tissue fluid forms at the venous end of a capillary.F) A) and E)
G) A) and D)

Question 5

Sphincter muscles regulate the opening and closing of arterioles leading to capillary beds,directing the flow of blood to different areas of the body depending on the body's needs.

Accepted Answer

A) True 
 B)False

Question 6

The long insoluble threads of a blood clot originate from

Accepted Answer

A)   fibrinogen.
B)   thrombin.
C)   collagen.
D)   prothrombin.
E)   platelets.F) C) and D)
G) A) and E)

Question 7

The blood that enters the coronary artery comes from the

Accepted Answer

A)   pulmonary artery.
B)   pulmonary vein.
C)   aorta.
D)   superior vena cava.
E)   inferior vena cava.F) B) and C)
G) All of the above C

Question 8

If you are tracing the path of blood from the right to the left side of the heart,you must mention the

Accepted Answer

A)   lungs.
B)   hepatic portal vein.
C)   aorta.
D)   superior vena cava.
E)   inferior vena cava.F) None of the above
G) A) and B)

Question 9

Which of the following proteins is found in abundance within red blood cells?

Accepted Answer

A)   albumin
B)   hemoglobin
C)   globulin
D)   fibrinogen
E)   myoglobinF) C) and E)
G) C) and D)

Question 10

Which association is NOT correct?

Accepted Answer

A)   red blood cells-transport oxygen
B)   white blood cells-fight infection
C)   water-maintains blood volume
D)   oxygen-cellular respiration
E)   albumin-fights infectionF) B) and D)
G) A) and B)

Question 11

All arteries contain oxygenated blood,and all veins contain nonoxygenated blood.

Accepted Answer

A) True 
 B)False

Question 12

Before major surgery,a patient is often asked if they have been taking large amounts of aspirin,and if so,they may have to postpone surgery and go without aspirin for some days.What is the reason for this?

Accepted Answer

A)   Aspirin interferes with the action of prothrombin activator.
B)   Aspirin causes the blood to be thinner or less viscous.
C)   Aspirin decreases red blood cell production.
D)   Aspirin reduces the stickiness of platelets and reduces the ability to clot.
E)   Aspirin eliminates pain and some pain is necessary for healing.F) B) and C)
G) B) and E) D

Question 13

Which statement is NOT a correct association?

Accepted Answer

A)   arteries-have a thick muscular layer
B)   capillaries-oxygen and nutrient exchange
C)   arteries-can control blood pressure
D)   capillaries-contain most of overall blood volume
E)   veins-valves to return blood to heartF) C) and E)
G) A) and B)

Question 14

Systole occurs when

Accepted Answer

A)   the heart tissue is contracting.
B)   the heart tissue is relaxing.
C)   the semilunar valves open and close.
D)   the aortic valves open and close.
E)   there is no heartbeat.F) A) and E)
G) B) and C)

Question 15

Which specific component in hemoglobin combines with oxygen?

Accepted Answer

A)   heme
B)   globin
C)   iron in the heme
D)   iron in the globin
E)   the polypeptideF) A) and B)
G) A) and E)

Question 16

Platelets

Accepted Answer

A)   phagocytize bacteria.
B)   are responsible for blood type.
C)   initiate clotting.
D)   transport oxygen in the blood.
E)   are responsible for the buildup of plaques on artery walls.F) D) and E)
G) B) and D)

Question 17

Contraction of the right ventricle forces blood initially into the

Accepted Answer

A)   left atrium.
B)   right atrium.
C)   aorta.
D)   pulmonary vein.
E)   pulmonary artery.F) C) and E)
G) A) and B)

Question 18

The outer sac that encloses the heart and provides lubrication is the

Accepted Answer

A)   myocardium.
B)   endocardium.
C)   ectocardium.
D)   pericardium.
E)   coronary capsule.F) B) and D)
G) A) and E)

Question 19

What is the correct sequence in which a drop of blood returning from the body encounters the heart chambers?

Accepted Answer

A)   left atrium  →\rarr→ left ventricle  →\rarr→ right atrium  →\rarr→ right ventricle
B)   left ventricle  →\rarr→ left atrium  →\rarr→ right ventricle  →\rarr→ right atrium
C)   right atrium  →\rarr→ left atrium  →\rarr→ left ventricle  →\rarr→ right ventricle
D)   right atrium  →\rarr→ left ventricle  →\rarr→ left atrium  →\rarr→ right ventricle
E)   right atrium  →\rarr→ right ventricle  →\rarr→ left atrium →\rarr→ left ventricle F) None of the above
G) B) and E)

Question 20

Which of these is NOT true of the heart?

Accepted Answer

A)   The heart is a double pump.
B)   The heart helps maintain blood pressure.
C)   The heart helps make red blood cells.
D)   The heart is composed primarily of muscle.
E)   The heart has an inner lining of endothelium.F) C) and D)
G) A) and B)

Exam 12: Cardiovascular System

Usually there is only one capillary bed between an artery and vein; an exception to this is the

Correct AnswerverifiedShow Answer

Which structure(s) would be subject to the lowest blood pressure?

Correct AnswerverifiedShow Answer

Aged red blood cells are destroyed in the

Correct AnswerverifiedD

Which of the following is a true statement about tissue fluid?

Correct AnswerverifiedShow Answer

Sphincter muscles regulate the opening and closing of arterioles leading to capillary beds,directing the flow of blood to different areas of the body depending on the body's needs.

Correct AnswerverifiedShow Answer

The long insoluble threads of a blood clot originate from

Correct AnswerverifiedShow Answer

The blood that enters the coronary artery comes from the

Correct AnswerverifiedC

If you are tracing the path of blood from the right to the left side of the heart,you must mention the

Correct AnswerverifiedShow Answer

Which of the following proteins is found in abundance within red blood cells?

Correct AnswerverifiedShow Answer

Which association is NOT correct?

Correct AnswerverifiedShow Answer

All arteries contain oxygenated blood,and all veins contain nonoxygenated blood.

Correct AnswerverifiedShow Answer

Before major surgery,a patient is often asked if they have been taking large amounts of aspirin,and if so,they may have to postpone surgery and go without aspirin for some days.What is the reason for this?

Correct AnswerverifiedD

Which statement is NOT a correct association?

Correct AnswerverifiedShow Answer

Systole occurs when

Correct AnswerverifiedShow Answer

Which specific component in hemoglobin combines with oxygen?

Correct AnswerverifiedShow Answer

Platelets

Correct AnswerverifiedShow Answer

Contraction of the right ventricle forces blood initially into the

Correct AnswerverifiedShow Answer

The outer sac that encloses the heart and provides lubrication is the

Correct AnswerverifiedShow Answer

What is the correct sequence in which a drop of blood returning from the body encounters the heart chambers?

Correct AnswerverifiedShow Answer

Which of these is NOT true of the heart?

Correct AnswerverifiedShow Answer

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D

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