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Multiple Choice Quiz
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1
The average amount of blood in an adult is _____ L.
A)2
B)3
C)5
D)7
2
The percentage of blood cells in whole blood is called _____.
A)plasma
B)hematocrit
C)erythrocytes
D)serum
3
The buffy coat evidenced by separating blood cells is comprised of _____.
A)erythrocytes
B)platelets
C)white cells
D)platelets and leukocytes
4
Which blood components transport most of the gases?
A)erythrocytes
B)platelets
C)leukocytes
D)plasma
5
Each red cell contains about _____% of its volume as the pigment hemoglobin.
A)5
B)10
C)33
D)66
6
Which cell has no nucleus when it is mature?
A)platelet
B)neutrophil
C)erythrocyte
D)lymphocyte
7
Which of these factors will increase the RBC or RCC?
A)exercise
B)dieting
C)low body temperature
D)decreased altitudes
8
Damaged or old red blood cells are removed by the liver and _____.
A)kidney
B)skeletal muscle
C)bone marrow
D)spleen
9
Which of the following does not belong with the others?
A)heme
B)globin
C)bilirubin
D)biliverdin
10
Iron is stored in the liver in the form of _____.
A)hemoglobin
B)transferrin
C)ferritin
D)bilirubin
11
Which of these is the earliest of this cell line?
A)reticulocyte
B)erythrocyte
C)erythroblast
D)hemocytoblast
12
Red blood cells live around _____ before they disintegrate.
A)one month
B)120 days
C)21 days
D)three months
13
Which organ has a primary role in stimulating blood cell formation?
A)kidney
B)liver
C)bone marrow
D)spleen
14
What is the main site of erythrocyte production in the fetus?
A)bone marrow
B)kidney
C)liver
D)spleen
15
Which of the following is a young platelet?
A)progranulocyte
B)basophilic band cell
C)monoblast
D)megakaryoblast
16
Which of these did not develop from a myeloblast?
A)basophil
B)monocyte
C)eosinophil
D)neutrophil
17
Which of the following is least essential for erythrocyte development?
A)vitamin B12
B)vitamin B6
C)folic acid
D)gastric intrinsic factor
18
Which of the following is an agranulocyte?
A)neutrophil
B)monocyte
C)basophil
D)eosinophil
19
Which condition is characterized by an abnormal increase in red blood cell count?
A)polycythemia
B)anemia
C)leukemia
D)porphyria
20
Which condition is caused by a deficiency of vitamin B12?
A)aplastic anemia
B)pernicious anemia
C)hemolytic anemia
D)hemorrhagic anemia
21
Which cells are also called polymorphonuclear leukocytes?
A)monocytes
B)basophils
C)lymphocytes
D)neutrophils
22
Which cells are the rarest leukocytes?
A)monocytes
B)basophils
C)eosinophils
D)lymphocytes
23
Which white blood cells are the most common?
A)leukocytes
B)monocytes
C)neutrophils
D)lymphocytes
24
Which leukocytes are the largest in the peripheral blood?
A)monocytes
B)lymphocytes
C)basophils
D)neutrophils
25
Which leukocyte does not have phagocytic properties?
A)monocyte
B)lymphocyte
C)neutrophil
D)eosinophil
26
The condition called _____ is evidenced by a DIFF over 10,000 per cubic mm of whole blood.
A)leukemia
B)polycythemia
C)leukocytosis
D)leukopenia
27
Which of the following is a probable cause of leukocytosis?
A)mumps
B)chickenpox
C)influenza
D)appendicitis
28
The condition called _____ explains how a white blood cell could be found in the urine.
A)phagocytosis
B)diapedesis
C)ameboid movement
D)infection
29
The _____ cells are actively involved with allergies.
A)eosinophil
B)erythrocyte
C)monocyte
D)neutrophil
30
The _____ cells are the usual sources of heparin.
A)eosinophil
B)basophil
C)lymphocyte
D)monocyte
31
Which cells release antibodies into the circulation?
A)monocytes
B)neutrophils
C)lymphocytes
D)basophils
32
What is the most common cancerous condition in children?
A)myeloid leukemia
B)lymphoid leukemia
C)acute lymphoid leukemia
D)chronic lymphoid leukemia
33
Myeloid leukemia can be evidenced by an increase in _____.
A)lymphocytes
B)monocytes
C)neutrophils
D)platelets
34
Megakaryocytes will differentiate into _____.
A)monocytes
B)lymphocytes
C)platelets
D)eosinophils
35
What is a normal platelet count?
A)1 million per cubic cc
B)200,000 per cubic mm
C)1 million per cubic mm
D)10,000 per cubic mm
36
Which components of whole blood account for clotting?
A)erythrocytes
B)eosinophils
C)platelets
D)neutrophils
37
Which components are the source of serotonin which causes smooth muscle cells to contract?
A)platelets
B)lymphocytes
C)monocytes
D)basophils
38
What is the most common component in the plasma?
A)sodium chloride
B)water
C)protein
D)platelets
39
How much of the plasma is protein?
A)10%
B)7%
C)25%
D)92%
40
Which is the most abundant of the plasma proteins?
A)alpha globulin
B)beta globulin
C)albumin
D)fibrinogen
41
What is the most significant factor that helps maintain blood osmotic pressure?
A)electrolytes
B)albumin
C)fibrinogen
D)globulins
42
Which molecules are the sources of most antibodies?
A)alpha globulin
B)beta globulin
C)albumin
D)gamma globulin
43
Which protein functions in coagulation?
A)fibrinogen
B)albumin
C)gamma globulin
D)alpha globulin
44
Which organ has the greatest role in synthesizing most blood nutrients?
A)intestine
B)liver
C)stomach
D)skeletal muscle
45
Which of these is mainly comprised of triglycerides?
A)HDL
B)LDL
C)VLDL
D)chylomicron
46
Which of these has the highest proportion of protein?
A)chylomicron
B)VLDL
C)LDL
D)HDL
47
Which lipoprotein has the highest percentage of cholesterol?
A)VLDL
B)LDL
C)HDL
D)chylomicron
48
During protein catabolism, _____ is produced as an end product by the liver.
A)urea
B)uric acid
C)creatine
D)creatinine
49
Which factor promotes the appearance of the platelet plug?
A)collagen
B)serotonin
C)fibrinogen
D)vasodilation
50
Which mineral is essential for coagulation to occur?
A)Mg2+
B)Ca2+
C)Na+
D)Fe2+
51
Which chemical initiates the extrinsic phase of clotting?
A)fibrin
B)fibrinogen
C)thromboplastin
D)prothrombin
52
Which of the following is not always present in the blood?
A)prothrombin
B)fibrinogen
C)calcium
D)thrombin
53
What converts fibrinogen to fibrin?
A)prothrombin
B)thrombin
C)calcium
D)thromboplastin
54
Which is the last molecule to appear in a clotting reaction?
A)fibrinogen
B)fibrin
C)thrombin
D)prothrombin
55
Which of these can dissolve a blood clot?
A)heparin
B)plasminogen
C)plasmin
D)PDGF
56
Which of these is a procoagulant?
A)heparin
B)antithrombin
C)vitamin K
D)prostacyclin
57
Which is the rarest ABO blood type?
A)A
B)B
C)AB
D)O
58
Who is at risk for developing a fatal Rh incompatibility?
A)any Rh+ fetus
B)second Rh- fetus of Rh+ mother
C)second Rh+ fetus of Rh- mother
D)Rh- mother







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