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When a blood clot replaces the platelet plug at the site of a blood vessel injury, the process is called blood ________.

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Blood platelets are essential for ____.


A) carrying oxygen
B) maintaining blood volume
C) clotting
D) maintaining blood pressure
E) reducing inflammation

F) C) and D)
G) A) and B)

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The granules in the cytoplasm of granulocytes include neutrophils, ________, and basophils.

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The percentage of red blood cells in a sample of blood is called the ________.

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The production of RBCs in the blood is controlled by which hormone?


A) Thyroxin
B) Oxyhemoglobin
C) Cortisol
D) Erythropoietin
E) Oxytocin

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

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When blood coagulates on a vessel wall in the absence of a known injury, it is correctly referred to as ____.


A) an embolus
B) hemostasis
C) a clot
D) a thrombus
E) agglutination

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

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An embolus is dangerous because it can eventually become lodged in a small artery in the ____.


A) liver
B) lungs
C) intestines
D) stomach
E) kidneys

F) A) and D)
G) C) and D)

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Which of the following patients is most likely to have thalassemia?


A) A patient of Mediterranean descent
B) A native American
C) A Latino American
D) A Caucasian male
E) A Caucasian female

F) B) and D)
G) C) and D)

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Parasitic infections can be controlled by which of these WBCs?


A) Eosinophils
B) Neutrophils
C) Basophils
D) Lymphocytes
E) Monocytes

F) B) and C)
G) A) and B)

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A woman of childbearing age should know her Rh type because if she is Rh-negative and conceives a child that is Rh-positive, ____.


A) her first pregnancy could prove fatal to her
B) her first infant will have erythroblastosis fetalis
C) her second baby will have erythroblastosis fetalis
D) she will need blood transfusions after delivery
E) her second pregnancy could prove fatal to her

F) B) and D)
G) B) and C)

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Most blood cells are produced in red bone marrow by cells called ________.

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Which of the following is considered a normal WBC count?


A) 2,600 cells
B) 3,800 cells
C) 6,700 cells
D) 11,200 cells
E) 12,300 cells

F) A) and B)
G) B) and D)

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Bacteria and viruses are destroyed by white blood cells called ____.


A) eosinophils
B) neutrophils
C) basophils
D) lymphocytes
E) erythrocytes

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

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A bacterial infection has been present in a patient for about 2 weeks if the WBC differential shows _________.


A) elevated eosinophils
B) elevated monocytes
C) elevated neutrophils
D) decreased basophils
E) decreased neutrophils

F) B) and C)
G) A) and B)

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Which of the following would the medical provider expect a patient with AIDS to have?


A) Decreased granulocytes
B) Decreased monocytes
C) Increased erythrocytes
D) Decreased lymphocytes
E) Decreased erythrocytes

F) B) and C)
G) A) and B)

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The inability to absorb vitamin B12 is called ________ anemia.

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The white blood cells that provide immunity for the body are the ________.

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White blood cells (WBCs), which are also called leukocytes, are divided into two categories: ________ and agranulocytes.

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The most common cause of anemia is ____.


A) vitamin deficiency
B) kidney failure
C) AIDS
D) iron deficiency
E) chronic illness

F) B) and D)
G) A) and C)

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When a blood vessel is broken, what is the body's first response?


A) Platelet plug formation
B) Vasodilation
C) Smooth muscle contraction
D) Blood coagulation
E) Blood clot formation

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

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