Question 1

The final step in the formation of a blood clot is

Accepted Answer

A)   the formation of prothrombin activator.
B)   that thrombin converts fibrinogen to fibrin.
C)   that prothrombin activator converts prothrombin to thrombin.
D)   tissue damage.E) A) and B)
F) A) and C)

Question 2

Which of the following drinks reduces the amount of iron absorbed from food?

Accepted Answer

A)   Milk
B)   Tea
C)   Coffee
D)   WineE) All of the above
F) C) and D)

Question 3

Heme released from hemoglobin in aged red blood cells is decomposed in the liver into

Accepted Answer

A)   iron and the bile pigment biliverdin, which is eventually converted to bilirubin.
B)   iron and the bile pigment bilirubin, which is eventually converted to biliverdin.
C)   iron and interleukins.
D)   serum and plasma proteins.E) A) and D)
F) All of the above

Question 4

Which of the following formed elements releases serotonin?

Accepted Answer

A)   Erythrocytes
B)   Platelets
C)   Neutrophils
D)   BasophilsE) A) and B)
F) None of the above

Question 5

A pulmonary embolism is most likely caused by a clot reaching

Accepted Answer

A)   a lung through a pulmonary artery.
B)   a lung through a pulmonary vein.
C)   the heart through a pulmonary artery.
D)   the heart through a pulmonary vein.E) A) and B)
F) All of the above

Question 6

The clumping of red blood cells that occurs when transfused blood is of an incompatible type is called ______________ .

Accepted Answer

The answer of The clumping of red blood cells that...

Question 7

In an adult, red blood cells are produced primarily in the _______ _______ ________ .

Accepted Answer

The answer of In an adult, red blood cells are...

Question 8

Which is the correct sequence for differentiation of a red blood cell?

Accepted Answer

A)   Hematopoietic stem cell, erythrocyte, hematoblast, erythroblast
B)   Hematopoietic stem cell, erythroblast, erythrocyte, reticulocyte
C)   Hematopoietic stem cell, hemocytoblast, erythrocyte, erythroblast
D)   Hematopoietic stem cell, erythroblast, reticulocyte, erythrocyteE) All of the above
F) C) and D)

Question 9

Which two mature blood cell types descend from myeloblasts?

Accepted Answer

A)   T cells and B cells
B)   Erythrocytes and platelets
C)   Neutrophils and basophils
D)   Monocytes and lymphocytesE) All of the above
F) A) and B)

Question 10

The formed elements in the blood are

Accepted Answer

A)   mostly red blood cells.
B)   mostly white blood cells.
C)   mostly platelets.
D)   about equal numbers of red blood cells, white blood cells, and platelets.E) All of the above
F) A) and C)

Question 11

In leukemia

Accepted Answer

A)   the blood has too many immature leukocytes.
B)   the person has lowered resistance to infection.
C)   the blood has too few platelets
D)   all of the above.E) A) and B)
F) A) and D)

Question 12

Pus is composed of

Accepted Answer

A)   neutrophils, eosinophils, and basophils.
B)   bacteria, white blood cells, and damaged cells.
C)   mucus, sputum, and platelets.
D)   water, serum, and fibers.E) None of the above
F) B) and D)

Question 13

Hydroxyurea treats sickle cell disease by

Accepted Answer

A)   activating production of hemoglobin normally produced only in a fetus.
B)   removing sickled cells.
C)   stimulating hematopoietic stem cells.
D)   transfusing new blood.E) None of the above
F) All of the above

Question 14

The percentage of red blood cells in a sample of human blood is normally about

Accepted Answer

A)   15%.
B)   30%.
C)   45%.
D)   60%.E) All of the above
F) B) and C)

Question 15

Athletes abuse erythropoeitin (EPO)  because it

Accepted Answer

A)   increases the red blood cell supply, which brings more oxygen to muscle cells.
B)   decreases the red blood cell supply, which brings more oxygen to muscle cells.
C)   increases the red blood cell supply, which depletes oxygen from muscle cells.
D)   increases the white blood cell supply, which prevents infection.E) A) and D)
F) C) and D)

Question 16

"Formed elements" are

Accepted Answer

A)   sodium and potassium.
B)   blood cells and platelets.
C)   serum and plasma.
D)   blood and lymph.E) All of the above
F) A) and C)

Question 17

Erythroblastosis fetalis may occur in

Accepted Answer

A)   a second Rh-positive fetus developing in an Rh-negative woman.
B)   a first Rh-positive fetus developing in an Rh-negative woman.
C)   a second Rh-negative fetus developing in an Rh-negative woman.
D)   a first Rh-negative fetus developing in an Rh-negative woman.E) A) and B)
F) B) and C)

Question 18

A platelet plug is formed when fibrinogen is converted to fibrin.

Accepted Answer

A) True 
 B)False

Question 19

Genotyping differs from serology in that

Accepted Answer

A)   genotyping detects diverse antigens, whereas serology detects the underlying genetic instructions for those antigens.
B)   serology detects diverse antigens, whereas genotyping detects the underlying genetic instructions for those antigens.
C)   genotyping requires a fresh blood sample whereas serology can be done on a dried sample.
D)   serology is faster.E) A) and B)
F) None of the above

Question 20

Plasma electrolytes include

Accepted Answer

A)   bicarbonate, magnesium, chloride, and potassium ions.
B)   monocytes, basophils, and eosinophils.
C)   fibrinogen, globulins, and albumin.
D)   urea and uric acid.E) A) and B)
F) None of the above

Exam 14: Blood

Heme released from hemoglobin in aged red blood cells is decomposed in the liver into

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Plasma electrolytes include

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Erythroblastosis fetalis may occur in

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The clumping of red blood cells that occurs when transfused blood is of an incompatible type is called ______________ .

Correct AnswerverifiedShow Answer

Pus is composed of

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A platelet plug is formed when fibrinogen is converted to fibrin.

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Genotyping differs from serology in that

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The formed elements in the blood are

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The percentage of red blood cells in a sample of human blood is normally about

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The final step in the formation of a blood clot is

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Which two mature blood cell types descend from myeloblasts?

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Which of the following formed elements releases serotonin?

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In leukemia

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Athletes abuse erythropoeitin (EPO) because it

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In an adult, red blood cells are produced primarily in the _______ _______ ________ .

Correct AnswerverifiedShow Answer

A pulmonary embolism is most likely caused by a clot reaching

Correct AnswerverifiedShow Answer

"Formed elements" are

Correct AnswerverifiedShow Answer

Hydroxyurea treats sickle cell disease by

Correct AnswerverifiedShow Answer

Which is the correct sequence for differentiation of a red blood cell?

Correct AnswerverifiedShow Answer

Which of the following drinks reduces the amount of iron absorbed from food?

Correct AnswerverifiedShow Answer

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In an adult, red blood cells are produced primarily in the ___ _ ______ .

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