Question 1

Rupture of a red blood cell is called hematopoiesis.

Accepted Answer

A) True 
 B)False

Question 2

Hemoglobin

Accepted Answer

A)   gives white blood cells their color.
B)   transports O2 in the blood.
C)   is normally found in both the plasma and erythrocytes.
D)   catalyzes the reaction that forms carbonic acid.
E)   is only used once then decomposed.F) A) and D)
G) A) and E)

Question 3

Which of the following is a stage of hemostasis?

Accepted Answer

A)   Coagulation
B)   Erythropoiesis
C)   Platelet formation
D)   Vascular dilation
E)   AgglutinationF) A) and B)
G) A) and C)

Question 4

Bilirubin

Accepted Answer

A)   is found in white blood cells.
B)   may be reused in erythropoiesis.
C)   is formed from the globin groups of hemoglobin.
D)   is made from bile.
E)   may build up in the circulation and cause jaundice.F) B) and C)
G) D) and E)

Question 5

Mature erythrocytes

Accepted Answer

A)   have a centrally located nucleus.
B)   are actually just cellular fragments.
C)   contain hemoglobin in their cytoplasm.
D)   mature from cells called megakaryocytes.
E)   do not contain protein.F) A) and B)
G) A) and C)

Question 6

Platelets

Accepted Answer

A)   are also known as thrombocytes.
B)   are actually fragments of cells.
C)   play a role in preventing blood loss.
D)   can become sticky when exposed to connective tissue
E)   All of the choices are correct.F) A) and C)
G) B) and E)

Question 7

A blood clot attached to a blood vessel wall is called a(n)  ________.

Accepted Answer

A)   thrombus
B)   embolus
C)   prostacyclin
D)   hemorrhage
E)   anticoagulantF) C) and D)
G) A) and D)

Question 8

Match the substance necessary for clotting with its particular role.
-Fibrin

Accepted Answer

A)  A mixture of lipoproteins released from injured tissue
B)  Converts prothrombin to thrombin
C)  The insoluble protein that forms the network of the clot
D)  Needed by the liver to produce prothrombin
E)  Fibrin-stabilizing factorF) A) and B)
G) A) and C)

Question 9

Match the function with the most appropriate category.
-Fibrinogen converts to fibrin

Accepted Answer

A)  Agglutination
B)  Coagulation
C)  Immune function
D)  Blood Grouping
E)  Diagnostic Blood TestF) A) and D)
G) A) and C)

Question 10

Match the function with the most appropriate category.
-Making a differential WBC count

Accepted Answer

A)  Agglutination
B)  Coagulation
C)  Immune function
D)  Blood Grouping
E)  Diagnostic Blood TestF) A) and B)
G) A) and C)

Question 11

The biconcave structure of an erythrocyte is shaped to better accommodate the crystalline structure of hemoglobin.

Accepted Answer

A) True 
 B)False

Question 12

Macrophages are derived from ________.

Accepted Answer

A)   neutrophils
B)   lymphocytes
C)   monocytes
D)   basophils
E)   eosinophilsF) B) and E)
G) A) and E)

Question 13

Healing after clot formation involves

Accepted Answer

A)   clot retraction.
B)   repair of the damaged blood vessel by connective tissue cells.
C)   clot dissolution.
D)   serum being squeezed out of the clot.
E)   All of the choices are correct.F) None of the above
G) D) and E)

Question 14

If a blood buffer is absent, which function of the blood would be compromised?

Accepted Answer

A)   Maintenance of body temperature
B)   Regulation of pH
C)   Clot formation
D)   Transport of ions
E)   Protection against foreign substancesF) B) and C)
G) A) and B)

Question 15

When defective erythrocytes are broken down,

Accepted Answer

A)   they are removed from the blood by the lungs.
B)   bilirubin is formed from the breakdown of hemoglobin.
C)   their heme groups are converted into amino acids.
D)   their iron is excreted into the small intestine.
E)   their components cannot be recycled.F) B) and E)
G) A) and B)

Question 16

The condition characterized by overproduction of erythrocytes is called ________.

Accepted Answer

A)   anemia
B)   leukemia
C)   hemophilia
D)   thalassemia
E)   erythrocytosisF) D) and E)
G) A) and C)

Question 17

The only formed elements that possess a nucleus when mature are the ________.

Accepted Answer

A)   thrombocytes
B)   erythrocytes
C)   leukocytes
D)   platelets
E)   RBCsF) A) and B)
G) A) and C)

Question 18

Match the component of blood plasma with the appropriate description.
-Fibrinogen

Accepted Answer

A)  The suspending medium for blood components
B)  The most abundant plasma protein
C)  A protein that functions in clotting
D)  A plasma protein that is involved in immunity
E)  Involved in osmosis, membrane potentials, and acid-base balanceF) A) and E)
G) C) and D)

Question 19

An adult patient is brought into the emergency room of a local hospital. The EMTs report the patient lost about 300 cc (cubic centimeters or milliliters)  of blood. Is this life-threatening?

Accepted Answer

A)   Yes; 300 cc represents about 1/3 of the blood's volume.
B)   Yes; 300 cc represents about 1/6 of the body's total blood volume of 2 liters.
C)   No; most adults have more than 7 liters of blood, so a loss of 300 cc would not be life-threatening.
D)   No; most adults have 4-6 liters of blood, so a loss of 300 cc would not be life-threatening.E) None of the above
F) A) and C)

Question 20

The ability of white blood cells to leave the circulation and enter tissues is called ________.

Accepted Answer

A)   chemotaxis
B)   diapedesis
C)   margination
D)   intrusion
E)   exocytosisF) C) and D)
G) A) and E)

Exam 19: Cardiovascular System: Blood

Match the substance necessary for clotting with its particular role. -Fibrin

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If a blood buffer is absent, which function of the blood would be compromised?

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Healing after clot formation involves

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Macrophages are derived from ________.

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A blood clot attached to a blood vessel wall is called a(n) ________.

Correct AnswerverifiedShow Answer

Rupture of a red blood cell is called hematopoiesis.

Correct AnswerverifiedShow Answer

An adult patient is brought into the emergency room of a local hospital. The EMTs report the patient lost about 300 cc (cubic centimeters or milliliters) of blood. Is this life-threatening?

Correct AnswerverifiedShow Answer

The condition characterized by overproduction of erythrocytes is called ________.

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Hemoglobin

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Platelets

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Match the function with the most appropriate category. -Making a differential WBC count

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Mature erythrocytes

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The only formed elements that possess a nucleus when mature are the ________.

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Match the function with the most appropriate category. -Fibrinogen converts to fibrin

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When defective erythrocytes are broken down,

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The ability of white blood cells to leave the circulation and enter tissues is called ________.

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Which of the following is a stage of hemostasis?

Correct AnswerverifiedShow Answer

The biconcave structure of an erythrocyte is shaped to better accommodate the crystalline structure of hemoglobin.

Correct AnswerverifiedShow Answer

Bilirubin

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Match the component of blood plasma with the appropriate description. -Fibrinogen

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