Question 1

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)   exocytosis.F) B) and C)
G) None of the above

Question 2

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

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) D) and E)

Question 3

The combination of hemoglobin and carbon dioxide is

Accepted Answer

A)   carboxyhemoglobin.
B)   oxyhemoglobin.
C)   deoxyhemoglobin.
D)   carbaminohemoglobin.E) None of the above
F) A) and B)

Question 4

What type of gene expression occurs when a person has type AB blood?

Accepted Answer

A)   homozygous dominant
B)   homozygous recessive
C)   incomplete dominance
D)   codominanceE) None of the above
F) A) and D)

Question 5

Erythropoietin

Accepted Answer

A)   is a product of the kidney.
B)   inhibits the production of erythrocytes.
C)   is produced in response to increased blood pressure.
D)   is found both in the plasma and inside red blood cells.
E)   is produced by the red bone marrow.F) None of the above
G) A) and B)

Question 6

In hemolytic disease of the newborn,

Accepted Answer

A)   antibodies from the mother cross the placenta and affect the fetus.
B)   hemolysis of white blood cells may occur.
C)   fibrin is hydrolyzed.
D)   the mother frequently dies during childbirth.
E)   antibodies from the fetus cross the placenta and affect the mother.F) B) and E)
G) B) and D)

Question 7

Read the two statements and use the following key to choose the best answer.
-(1)  the number of erythrocytes in a milliliter sample of blood
(2)  the number of leukocytes in a milliliter sample of blood

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.D) A) and B)
E) A) and C)

Question 8

When a blood vessel is damaged, which of the following events occurs last?

Accepted Answer

A)   Collagen is exposed.
B)   Platelets adhere to collagen.
C)   Platelets are activated.
D)   Platelets begin to stick to each other and form a plug.
E)   von Willebrand factor is produced.F) B) and D)
G) None of the above

Question 9

Match the function with the most appropriate category.
-determining blood chemistry

Accepted Answer

A)  agglutination
B)  coagulation
C)  immune function
D)  blood Grouping
E)  diagnostic Blood TestF) None of the above
G) A) and B)

Question 10

Red blood cells have antigenic markers on their surfaces called:

Accepted Answer

A)   agglutinins
B)   antibodies
C)   haptens
D)   agglutinogensE) A) and B)
F) A) and C)

Question 11

Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation. (1)  thrombin
(2)  fibrinogen
(3)  prothrombinase
(4)  activated factor XII

Accepted Answer

A)   3, 2, 4, 1
B)   4, 3, 2, 1
C)   4, 3, 1, 2
D)   3, 4, 1, 2
E)   3, 1, 4, 2F) A) and B)
G) A) and D)

Question 12

The total blood volume is ____ plasma.

Accepted Answer

A)   50%
B)   90%
C)   75%
D)   55%E) A) and B)
F) A) and D)

Question 13

During platelet plug formation, platelets release _____ and endothelial cells release ____ which lead to vasoconstriction.

Accepted Answer

A)   endothelin; thromboxane
B)   erythropoietin; thromboxane
C)   thromboxane; histamine
D)   histamine; heparin
E)   thromboxane; endothelinF) A) and C)
G) B) and D)

Question 14

Which plasma protein is correctly matched to its function?

Accepted Answer

A)   fibrinogen - transport of fatty acids
B)   albumin - helps to fight infection
C)   globulin - transport and immunity
D)   globulin - blood clottingE) A) and C)
F) A) and D)

Question 15

Match the function with the most appropriate category.
-exposure to antigens leads to development of antibodies

Accepted Answer

A)  agglutination
B)  coagulation
C)  immune function
D)  blood Grouping
E)  diagnostic Blood TestF) A) and B)
G) A) and C)

Question 16

The rate of erythropoiesis when erythropoietin is present is greater than the rate of erythropoiesis when erythropoietin is absent.

Accepted Answer

A) True 
 B)False

Question 17

Match the function with the most appropriate category.
-determining antigens on RBCs

Accepted Answer

A)  agglutination
B)  coagulation
C)  immune function
D)  blood Grouping
E)  diagnostic Blood TestF) B) and E)
G) A) and D)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

An immature erythrocyte is called a __________________.

Accepted Answer

The answer of An immature erythrocyte is called a __________________....

Question 20

What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?

Accepted Answer

A)   thromboxanes
B)   von Willebrand factor
C)   endothelin
D)   fibrinogenE) B) and D)
F) A) and B)

Exam 19: Cardiovascular System: Blood

What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?

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Match the function with the most appropriate category. -determining antigens on RBCs

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The combination of hemoglobin and carbon dioxide is

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

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Match the function with the most appropriate category. -exposure to antigens leads to development of antibodies

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When a blood vessel is damaged, which of the following events occurs last?

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Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation. (1) thrombin (2) fibrinogen (3) prothrombinase (4) activated factor XII

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Which plasma protein is correctly matched to its function?

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Erythropoietin

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The rate of erythropoiesis when erythropoietin is present is greater than the rate of erythropoiesis when erythropoietin is absent.

Correct AnswerverifiedShow Answer

Match the function with the most appropriate category. -determining blood chemistry

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

During platelet plug formation, platelets release _____ and endothelial cells release ____ which lead to vasoconstriction.

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Red blood cells have antigenic markers on their surfaces called:

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Read the two statements and use the following key to choose the best answer. -(1) the number of erythrocytes in a milliliter sample of blood (2) the number of leukocytes in a milliliter sample of blood

Correct AnswerverifiedShow Answer

What type of gene expression occurs when a person has type AB blood?

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An immature erythrocyte is called a __________________.

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The total blood volume is ____ plasma.

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In hemolytic disease of the newborn,

Correct AnswerverifiedShow Answer

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During platelet plug formation, platelets release _ and endothelial cells release which lead to vasoconstriction.

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