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Chapter Quiz
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1
The formed elements of blood include all of the following except
A)red blood cells
B)white blood cells
C)platelets
D)plasma
2
The structure of red blood cells is that of
A)a disk that is convex on one side and concave on the other
B)irregularly shaped fragments without a nucleus
C)relative large cells with multiple nuclei that stain blue
D)biconcave disks that carry hemoglobin
3
Which of the following formed elements of blood are essential to gas exchange at tissues?
A)leukocytes
B)erythrocytes
C)platelets
D)eosinophils
4
Damaged red blood cells are destroyed by cells called
A)leukocytes
B)macrophages
C)neutrophils
D)granulocytes
5
The heme portion of damaged red blood cells is decomposed first into iron and
A)biliverdin
B)bilirubin
C)bile
D)copper
6
Erythropoietin is released by the kidney in direct response to
A)a decrease in the number of red blood cells
B)an increase in circulating biliverdin
C)stimuli originating in the lungs
D)a decrease in circulating oxygen concentration
7
In an adult, red blood cells are produced in
A)the spleen
B)red marrow
C)the liver
D)yellow marrow
8
The production of red cells is dependent on adequate intake of mainly
A)iron, folic acid, and vitamin B1
B)copper, vitamin K, and vitamin B12
C)iron, folic acid, and vitamin B12
D)zinc, vitamin K, and vitamin B1
9
The white cell that is not a granulocyte is a
A)lymphocyte
B)eosinophil
C)neutrophil
D)basophil
10
The most numerous white blood cell is the
A)neutrophil
B)eosinophil
C)monocyte
D)lymphocyte
11
The white blood cell that forms antibodies necessary for immunity to specific diseases is the
A)basophil
B)lymphocyte
C)thrombocyte
D)eosinophil
12
The white cell that would increase in certain parasitic infections and allergic reactions is
A)neutrophils
B)eosinophils
C)monocytes
D)basophils
13
White blood cells combat infection by
A)phagocytosis
B)antibody production
C)both
D)neither
14
The most mobile and phagocytic white cells are
A)neutrophils and monocytes
B)basophils and lymphocytes
C)eosinophils and basophils
D)monocytes and lymphocytes
15
Characteristics of platelets include
A)a large, multilobular nucleus
B)a life span equal to that of red blood cells
C)both
D)neither
16
A form of cancer characterized by uncontrolled production of white blood cells is
A)Hodgkin's disease
B)lymphoma
C)leukemia
D)myeloma
17
The plasma protein produced by lymphocytes is
A)albumin
B)gamma globulin
C)fibrinogen
D)none of the above
18
The most nutrients found in the plasma were primarily absorbed from the
A)liver
B)stomach
C)small intestine
D)large intestine
19
Lipids are transported in plasma primarily as
A)triglycerides
B)cholesterol
C)lipoproteins
D)cholymicrons
20
A platelet plug begins to form when platelets are
A)exposed to air
B)exposed to a rough surface
C)exposed to calcium
D)crushed
21
Substances believed to activate prothrombin are thought to include
A)calcium ions
B)potassium ions
C)phospholipids
D)glucose
22
Prothrombin is a plasma protein produced by the
A)kidney
B)small intestine
C)pancreas
D)liver
23
The clumping together of red blood cells when unlike (incompatible) types of blood are mixed is due to antibodies in the plasma and antigens on the
A)thrombocytes
B)erythrocytes
C)basophils
D)eosinophils
24
A person with type A blood has
A)antigen A and the anti-B antibody
B)antigens A and B
C)antibodies A and B
D)neither antigen A nor B
25
The blood type that lacks antigens A or B is
A)type AB
B)type O
C)either
D)neither
26
Antibodies for Rh appear
A)spontaneously as an inherited trait
B)only rarely for poorly understood reasons
C)in response to stimulation by exposure to Rh antigens
D)only in Rh-negative infants
27
Blood is both heavier and more viscous than water.
A)True
B)False
28
Red blood cells in the blood lack a nucleus and therefore cannot synthesize proteins or reproduce.
A)True
B)False
29
Women typically have a higher red blood cell count than men.
A)True
B)False
30
The average life span of red blood cells is 120 days.
A)True
B)False
31
Erythropoietin is produced by the spleen.
A)True
B)False
32
Folic acid and vitamin B12 are necessary for DNA synthesis but the rapidity of red cell turnover makes this tissue especially vulnerable to deficiency.
A)True
B)False
33
Agranulocytes are white cells that have granular cytoplasm.
A)True
B)False
34
The five types of white blood cells are classified according to size, the nature of their cytoplasm, nuclei shape, and how they stain.
A)True
B)False
35
Granulocytes have a very long life span in circulating blood.
A)True
B)False
36
Lymphocytes account for 25-33% of circulating leukocytes and live for many years.
A)True
B)False
37
A normal white count is 15,000 to 20,000 WBC's/cubic millimeter of blood.
A)True
B)False
38
A differential count lists the percentages of the types of leukocytes.
A)True
B)False
39
The cytoplasmic granules of basophils contain heparin and histamine.
A)True
B)False
40
Globulins are plasma proteins that play a significant role in maintaining osmotic pressure.
A)True
B)False
41
Potassium is the most abundant electrolyte carried in plasma.
A)True
B)False
42
A blood clot forming abnormally in a blood vessel is a thrombus.
A)True
B)False







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