Question 1

The "buffy coat" in a centrifuged blood sample is composed of

Accepted Answer

A)  platelets and leukocytes.
B)  leukocytes.
C)  platelets.
D)  erythrocytes.
E)  erythrocytes and leukocytes.F) A) and B)
G) A) and C)

Question 2

The type of leukocyte that is very active during a bacterial infection is a(n)

Accepted Answer

A)  eosinophil.
B)  basophil.
C)  lymphocyte.
D)  neutrophil.
E)  monocyte.F) C) and E)
G) B) and E)

Question 3

Macrophages are the converted monocytes that phagocytize bacteria,cell fragments,dead cells,and debris.

Accepted Answer

A) True 
 B)False

Question 4

A malnourished person might have abnormally low levels of plasma proteins.As a result,colloid osmotic pressure

Accepted Answer

A)  increases,and there is fluid retention in the interstitial space.
B)  increases,and so blood volume is abnormally high.
C)  decreases,and there is fluid retention in the interstitial space.
D)  decreases,and so blood volume is abnormally high.E) All of the above
F) B) and C)

Question 5

Fibrinolysis involves ________ of the fibrin framework,and it involves the protein _______.

Accepted Answer

A)  construction,thrombokinase
B)  construction,plasmin
C)  construction,actinomyosin
D)  destruction,plasmin
E)  destruction,thrombokinaseF) A) and B)
G) A) and C)

Question 6

When blood is centrifuged and its components separate,the bottom of the tube holds the

Accepted Answer

A)  electrolytes and waste products.
B)  buffy coat.
C)  monocytes.
D)  erythrocytes.
E)  platelets.F)  plasma.G) A) and E)
H) A) and B)

Question 7

The iron that has been transferred to the liver after the aged erythrocytes were phagocytized is stored by the protein _______________.

Accepted Answer

The answer of The iron that has been transferred to...

Question 8

Which type of leukocyte releases histamine

Accepted Answer

A)  Eosinophil
B)  Basophil
C)  Lymphocyte
D)  Neutrophil
E)  MonocyteF) All of the above
G) C) and D)

Question 9

Which of the following is a step within the common pathway of blood clotting

Accepted Answer

A)  Factor III combines with factor VII.
B)  Factor XII converts inactive factor XI to active factor XI.
C)  Prothrombin is activated to thrombin.
D)  Calcium combines with factor IX.E) A) and B)
F) B) and D)

Question 10

The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)

Accepted Answer

A)  eosinophil.
B)  basophil.
C)  monocyte.
D)  lymphocyte.
E)  neutrophil.F) A) and E)
G) A) and B)

Question 11

In young children,hemopoiesis occurs in most of their bones,but in adulthood it primarily occurs in

Accepted Answer

A)  long bones of the hands and feet.
B)  flat bones of the axial skeleton.
C)  short bones of the appendicular skeleton.
D)  the liver and spleen.E) C) and D)
F) B) and D)

Question 12

The globulins make up about ________ percent of all plasma proteins.

Accepted Answer

A)  58
B)  37
C)  4
D)  1
E)  85F) B) and D)
G) C) and D)

Question 13

In many of the elderly,leukocytes appear to be

Accepted Answer

A)  decreased in number and less efficient.
B)  decreased in number but more efficient.
C)  increased in number but more efficient.
D)  increased in number and more efficient.E) A) and C)
F) C) and D)

Question 14

Vascular spasms last

Accepted Answer

A)  a few milliseconds when tissue damage is moderate.
B)  almost a full minute when tissue damage is extensive.
C)  several minutes when tissue damage is extensive.
D)  several hours when tissue damage is moderate.E) A) and B)
F) A) and C)

Question 15

If agglutination occurs after a blood transfusion,it may indicate

Accepted Answer

A)  the wrong blood type was used.
B)  the recipient had type AB blood.
C)  there were no agglutinins (antibodies) in the recipient blood.
D)  the donor had type O blood.E) B) and C)
F) A) and C)

Question 16

Prostacyclin is an eicosanoid that acts as a

Accepted Answer

A)  platelet attractant.
B)  platelet repellant.C) A) and B)
D) undefined

Question 17

_______________ is a growth factor that stimulates both the production of megakaryocytes in the bone marrow and the subsequent formation of platelets.

Accepted Answer

The answer of _______________ is a growth factor that stimulates...

Question 18

Fibrin,which is produced from the plasma protein _______________,helps form blood clots.

Accepted Answer

The answer of Fibrin,which is produced from the plasma protein...

Question 19

Oxygen-poor blood is _________ in color.

Accepted Answer

A)  bright red
B)  dark red
C)  light blue
D)  dark blueE) A) and B)
F) B) and C)

Question 20

Platelets play a key role in _________,but if they are not used they are broken down after about ________ days.

Accepted Answer

A)  hemostasis,120
B)  hemostasis,9
C)  hematopoiesis,120
D)  hematopoiesis,9E) All of the above
F) C) and D)

Exam 18: Cardiovascular System: Blood

When blood is centrifuged and its components separate,the bottom of the tube holds the

Correct AnswerverifiedShow Answer

The globulins make up about ________ percent of all plasma proteins.

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The iron that has been transferred to the liver after the aged erythrocytes were phagocytized is stored by the protein _______________.

Correct AnswerverifiedShow Answer

Macrophages are the converted monocytes that phagocytize bacteria,cell fragments,dead cells,and debris.

Correct AnswerverifiedShow Answer

In many of the elderly,leukocytes appear to be

Correct AnswerverifiedShow Answer

Which type of leukocyte releases histamine

Correct AnswerverifiedShow Answer

A malnourished person might have abnormally low levels of plasma proteins.As a result,colloid osmotic pressure

Correct AnswerverifiedShow Answer

If agglutination occurs after a blood transfusion,it may indicate

Correct AnswerverifiedShow Answer

In young children,hemopoiesis occurs in most of their bones,but in adulthood it primarily occurs in

Correct AnswerverifiedShow Answer

Fibrin,which is produced from the plasma protein _______________,helps form blood clots.

Correct AnswerverifiedShow Answer

Prostacyclin is an eicosanoid that acts as a

Correct AnswerverifiedShow Answer

The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)

Correct AnswerverifiedShow Answer

Platelets play a key role in _________,but if they are not used they are broken down after about ________ days.

Correct AnswerverifiedShow Answer

The "buffy coat" in a centrifuged blood sample is composed of

Correct AnswerverifiedShow Answer

Oxygen-poor blood is _________ in color.

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Fibrinolysis involves ________ of the fibrin framework,and it involves the protein _______.

Correct AnswerverifiedShow Answer

Which of the following is a step within the common pathway of blood clotting

Correct AnswerverifiedShow Answer

_______________ is a growth factor that stimulates both the production of megakaryocytes in the bone marrow and the subsequent formation of platelets.

Correct AnswerverifiedShow Answer

The type of leukocyte that is very active during a bacterial infection is a(n)

Correct AnswerverifiedShow Answer

Vascular spasms last

Correct AnswerverifiedShow Answer

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Platelets play a key role in _,but if they are not used they are broken down after about days.

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Fibrinolysis involves __ of the fibrin framework,and it involves the protein _.

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