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Which WBC count per microliter indicates leukocytosis?


A) 2,500
B) 16,000
C) 5,100
D) 8,200

E) None of the above
F) All of the above

Correct Answer

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The mineral in hemoglobin that bonds to oxygen is:


A) sodium
B) copper
C) iron
D) calcium

E) A) and C)
F) B) and C)

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The kind of WBC that is a significant phagocyte of pathogens is the:


A) lymphocyte
B) eosinophil
C) neutrophil
D) basophil

E) A) and B)
F) A) and C)

Correct Answer

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Which statement is NOT true of a person with type AB negative blood?


A) The RBCs have no Rh antigen.
B) The plasma contains anti-Rh antibodies.
C) The RBCs have A antigens and B antigens.
D) The plasma has neither anti-A nor anti-B antibodies.

E) C) and D)
F) None of the above

Correct Answer

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A patient has the following CBC values: A patient has the following CBC values:   Which of the following would you expect in this patient? A) anemia B) an infection C) bruising and bleeding D) None of these; all values are within normal limits. Which of the following would you expect in this patient?


A) anemia
B) an infection
C) bruising and bleeding
D) None of these; all values are within normal limits.

E) None of the above
F) A) and C)

Correct Answer

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Oxygen is carried in the blood by:


A) stem cells
B) RBCs
C) blood plasma
D) WBCs

E) B) and C)
F) None of the above

Correct Answer

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The life span of RBCs is approximately:


A) 12 days
B) 12 weeks
C) 120 days
D) 120 weeks

E) A) and B)
F) A) and C)

Correct Answer

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The kind of WBC that detoxifies foreign proteins is the:


A) lymphocyte
B) eosinophil
C) basophil
D) neutrophil

E) B) and C)
F) B) and D)

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The kind of WBC that releases histamine during inflammation is the:


A) basophil
B) lymphocyte
C) eosinophil
D) neutrophil

E) All of the above
F) B) and D)

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The term for a low platelet count is:


A) thrombocytopenia
B) thrombolysis
C) thrombocyte
D) thromboplastin

E) A) and B)
F) All of the above

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When capillaries rupture,the mechanism of hemostasis that will be effective is:


A) platelet plugs
B) chemical clotting
C) vascular spasm
D) These will all work equally well.

E) B) and C)
F) C) and D)

Correct Answer

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A hematocrit is a laboratory test that is a measure of:


A) an RBC count
B) a WBC count
C) the types of WBCs present
D) the percent of RBCs in the blood

E) B) and D)
F) A) and C)

Correct Answer

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The term for a low RBC count is:


A) hemolysis
B) anemia
C) hematocrit
D) amnesia

E) A) and B)
F) All of the above

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The process of blood clotting may be described as a:


A) positive feedback mechanism that may become a vicious cycle
B) negative feedback mechanism that may become a vicious cycle
C) positive feedback mechanism that contains its own brake
D) negative feedback mechanism that contains its own brake

E) A) and D)
F) A) and C)

Correct Answer

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Which of these is NOT a plasma protein?


A) hemoglobin
B) albumin
C) prothrombin
D) antibodies

E) B) and D)
F) A) and D)

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A person with type O positive blood receives a transfusion of type B negative blood.What will happen?


A) The donor's antibodies will destroy the recipient's RBCs.
B) The recipient's antibodies will destroy the donated RBCs.
C) The Rh antibodies will destroy the donated RBCs.
D) These blood types are compatible and the transfusion will be accepted.

E) C) and D)
F) A) and D)

Correct Answer

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The purpose of fibrinolysis is to:


A) dissolve an old clot
B) split more fibrinogen to fibrin
C) make the clot stronger
D) splice fibrin molecules together

E) B) and D)
F) C) and D)

Correct Answer

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The kind of WBC that recognizes foreign antigens is the:


A) monocyte
B) neutrophil
C) basophil
D) lymphocyte

E) A) and B)
F) A) and C)

Correct Answer

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Which statement is NOT true of a person with type B negative blood?


A) The RBCs have B antigens.
B) The RBCs have no Rh antigen.
C) The plasma contains anti-B antibodies.
D) The plasma contains anti-A antibodies.

E) B) and D)
F) None of the above

Correct Answer

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Hemostasis due to vascular spasm occurs when the:


A) smooth muscle in large vessels relaxes
B) smooth muscle in large vessels contracts
C) fibrous connective tissue fills the break in the vessel
D) striated muscle in the large vessels contracts

E) A) and B)
F) A) and C)

Correct Answer

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