Question 1

The final protein that forms a blood clot is

Accepted Answer

A)  fibrin.
B)  thrombin.
C)  thromboplastin.
D)  plasmin.E) None of the above
F) A) and B)

Question 2

Excessive protein and fluid in interstitial tissue is called lymphedema.

Accepted Answer

A) True 
 B)False

Question 3

Endogenously applied ______________ or tissue plasminogen activator (TPA) can induce blood clot dissolution.

Accepted Answer

A)  albumin
B)  streptokinase
C)  thromboxane A2
D)  penicillinE) All of the above
F) B) and C)

Question 4

Erythroblastosis fetalis occurs when

Accepted Answer

A)  the mother has blood type A and the fetus has blood type O.
B)  the mother has Rh+ blood and the fetus has Rh- blood.
C)  the mother has Rh- blood and the fetus has Rh+ blood.
D)  the mother has type AB blood and the fetus has type O blooD.E) A) and C)
F) All of the above

Question 5

Functions of the lymphatic system include all of the following EXCEPT

Accepted Answer

A)  transport of interstitial fluid.
B)  transport of absorbed fat.
C)  providing immunological defense.
D)  transport of absorbed peptides.E) A) and B)
F) A) and C)

Question 6

Which of the following is NOT a cause of circus rhythm?

Accepted Answer

A)  damage to the myocardium
B)  certain cells coming out of the refractory period too quickly
C)  shortened myocardial cells
D)  an electrical shock in the middle of a T waveE) A) and B)
F) A) and C)

Question 7

_________ AV node block occurs when no atrial waves can pass through the AV node.

Accepted Answer

A)  First-degree
B)  Second-degree
C)  Third-degree
D)  Fourth-degreeE) None of the above
F) B) and C)

Question 8

Lymphatic vessels form a complete,closed circuit around the body.

Accepted Answer

A) True 
 B)False

Question 9

What is the stimulus for the release of erythropoietin?

Accepted Answer

A)  low RBC count
B)  decreased blood oxygen levels
C)  low amount of hemoglobin
D)  All of the choices are correct.E) A) and D)
F) None of the above

Question 10

A normal red blood cell count is in the range of __________ /mm3.

Accepted Answer

A)  4.23-5.98 million
B)  4,300-10,800
C)  120-220
D)  130-400 thousandE) B) and C)
F) C) and D)

Question 11

The myocardium acts as a single,functioning unit called a/an

Accepted Answer

A)  multi-unit muscle.
B)  pacemaker
C)  isoelectric unit.
D)  functional syncytium.E) A) and B)
F) A) and C)

Question 12

Based on differences in their endothelial lining,capillaries can be classified as all of the following EXCEPT

Accepted Answer

A)  continuous.
B)  true.
C)  discontinuous.
D)  fenestrateD.E) C) and D)
F) None of the above

Question 13

Within the blood vessels,valves are found in the

Accepted Answer

A)  arteries.
B)  capillaries.
C)  arterioles.
D)  veins.E) B) and C)
F) None of the above

Question 14

How does hepcidin function in iron homeostasis?

Accepted Answer

A)  increases production of transferrin
B)  promotes cellular storage of iron by removing ferroportin channels in enterocytes
C)  promotes production and insertion of ferroportin channels in enterocytes
D)  increases macrophage destruction of old red blood cells to release ironE) A) and D)
F) None of the above

Question 15

Increasing the number of slow Ca2+ channels open in the sinoatrial node increases heart rate.

Accepted Answer

A) True 
 B)False

Question 16

Which blood globulin is an antibody that helps fight infection?

Accepted Answer

A)  alpha globulin
B)  beta globulin
C)  gamma globulin
D)  None of the choices is correct.E) A) and B)
F) None of the above

Question 17

Vitamin K is needed for

Accepted Answer

A)  proper clotting factor function.
B)  directly activating fibrinogen.
C)  directly stabilizing the fibrin polymer.
D)  activating antithrombin III.E) A) and B)
F) A) and C)

Question 18

Individuals with an increased hematocrit would probably be anemic.

Accepted Answer

A) True 
 B)False

Question 19

Mary has type AB blood.Which type of antibodies are present in her plasma?

Accepted Answer

A)  anti-A
B)  anti-B
C)  anti-A and anti-B
D)  Neither anti-A nor anti-BE) A) and C)
F) B) and C)

Question 20

Which of the following is true of atherosclerosis?

Accepted Answer

A)  It is most likely an inflammatory disease.
B)  Blood C-reactive protein levels are better predictors than LDL cholesterol levels.
C)  Antioxidants may be used to prevent or treat it.
D)  All of the choices are correct.E) B) and C)
F) All of the above

Exam 13: Blood,Heart and Circulation

How does hepcidin function in iron homeostasis?

Correct AnswerverifiedShow Answer

The final protein that forms a blood clot is

Correct AnswerverifiedShow Answer

What is the stimulus for the release of erythropoietin?

Correct AnswerverifiedShow Answer

Which blood globulin is an antibody that helps fight infection?

Correct AnswerverifiedShow Answer

Endogenously applied ______________ or tissue plasminogen activator (TPA) can induce blood clot dissolution.

Correct AnswerverifiedShow Answer

A normal red blood cell count is in the range of __________ /mm3.

Correct AnswerverifiedShow Answer

Based on differences in their endothelial lining,capillaries can be classified as all of the following EXCEPT

Correct AnswerverifiedShow Answer

The myocardium acts as a single,functioning unit called a/an

Correct AnswerverifiedShow Answer

Mary has type AB blood.Which type of antibodies are present in her plasma?

Correct AnswerverifiedShow Answer

Within the blood vessels,valves are found in the

Correct AnswerverifiedShow Answer

Vitamin K is needed for

Correct AnswerverifiedShow Answer

Individuals with an increased hematocrit would probably be anemic.

Correct AnswerverifiedShow Answer

_________ AV node block occurs when no atrial waves can pass through the AV node.

Correct AnswerverifiedShow Answer

Lymphatic vessels form a complete,closed circuit around the body.

Correct AnswerverifiedShow Answer

Which of the following is true of atherosclerosis?

Correct AnswerverifiedShow Answer

Increasing the number of slow Ca2+ channels open in the sinoatrial node increases heart rate.

Correct AnswerverifiedShow Answer

Functions of the lymphatic system include all of the following EXCEPT

Correct AnswerverifiedShow Answer

Which of the following is NOT a cause of circus rhythm?

Correct AnswerverifiedShow Answer

Erythroblastosis fetalis occurs when

Correct AnswerverifiedShow Answer

Excessive protein and fluid in interstitial tissue is called lymphedema.

Correct AnswerverifiedShow Answer

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A normal red blood cell count is in the range of __________ /mm³.

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Increasing the number of slow Ca²⁺ channels open in the sinoatrial node increases heart rate.

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