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問題一覧
1
Catalyzes reversible reaction between CO2 and H2O to form HCO3
Erythrocytes
2
RBC production in early gestation
yolk sac then liver
3
RBC production last month gestation to 5 years.
bone marrow
4
RBC production after 5 years
vertebrae, sternum, ribs, ilia
5
Anemia, hypoxemia, circulatory failure, high altitude all stimulate.
RBC production
6
Elevated Reticulocyte Level
Normal in Anemia
7
Anemia without elevated Reticulocyte
Bone Marrow Disease
8
Detecting Erythroblasts in Lab Test
Indicates Malignancy
9
Low tissue oxygen triggers
Kidneys to make Erythropoietin
10
In low oxygen, Erythropoietin makes Hematopoietic Stem Cells that makes.
Proerythroblasts
11
Pluripotent Stem Cell makes Erythrocyte CFU that leads to.
Erythroblast makes Reticulocyte makes Erythrocyte
12
Succinyl-Co-A from Krebs binds with Glycine to form.
Pyrrole Molecule
13
Protoporphyrin IX is comprised of.
4 Pyrrole Molecules
14
Heme Molecule
Protoporphyrin IX and Iron Molecule
15
Hemaglobin Metabolism
Succinyl-Co-A binds Glycine forms Pyrroles to make Protoporphyrin IX combines Iron to make Heme combines Globins to make Hemaglobin
16
Alpha, Beta, Gamma, Delta, Fetal
Types of Globins
17
2 Alpha 2 Beta Chains
Adult Hgb
18
Oxygen Carrying Capacity of Hemoglobin
8 O2 Molecules
19
Each Hbg Fe can carry.
2 O2 Molecules
20
Fetal Hbg is comprised of.
2 Alpha and 2 Fetal chains
21
Has the greatest affinity for oxygen.
Fetal Hemoglobin
22
Which of the following is not a normal component of plasma?
Collagen
23
What is the average life span of an erythrocyte?
120 days
24
Which of the following minerals is required for erythropoiesis?
Iron
25
Erythropoietin is released by the:
Kidneys
26
The purpose of erythropoietin is:
Control erythrocyte production
27
Where does the sequestration and destruction of aged erythrocytes normally take place?
Spleen
28
As an individual ages:
Lympocyte function decreases
29
When a blood cell is damaged:
All the above
30
RBC lysis yields which of the following products?
Bilirubin
31
What is the correct sequence in coagulation:
extrinsic and intrinsic, Factor X, Thrombin, Fibrinogen, Fibrin, Clot
32
What is the correct sequence in fibrinolysis?
Plasmin, Plasminogen, FDP
33
Granulocytes contain:
Enzymes capable of killing microorganisms
34
Why do lymph nodes enlarge and become tender during an infection?
Macrophages are proliferating
35
Eosinophils
All the above
36
The greatest proportion of total body iron is located in the:
Erythrocytes
37
Polycythemia is typically seen in:
Babies born to Diabetic Mothers and Twin-to-Twin Transfusion Syndrome
38
Polycythemia puts babies at risk for:
Blood Clots and Strokes
39
Hemolytic Disease of the Newborn:
Occurs when mothers blood crosses placenta that produces antibodies that attack babies RBCs
40
Anemia is:
Abnormal in elderly adults
41
Increases for every 1000 meters above sea level
Hemoglobin level
42
Smoking Increases:
Hemoglobin levels
43
Aging causes RBCs to become:
Fragile and prone to lysis
44
After lysis/hemolysis of RBCs, Hbg is:
Phagocytized by macrophages in the Liver Kupper cells, Spleen, Bone Marrow
45
Macrophages release Fe from Hgb and transported as:
Transferrin
46
Storage of Transferrin not in use:
Ferritin
47
Porphyrin is converted to:
Bilirubin transported to liver and released in bile
48
Anemia
Reduced RBC count, Hbg, Hct
49
Kidney disease leading to decreased Erythropoietin production causes:
Anemia
50
Low Fe, B12, Folate intake causes:
Anemia
51
Co-morbid inflammatory diseases cause:
Anemia
52
Shortened RBC lifespan in Aging causes:
Anemia
53
Sickle Cell Disease and Thalassemia cause:
Anemia
54
Decreased: pCO2, H+, 2,3-DPG, Temp, HbF
Left Shift
55
Increased: pCO2, H+, 2,3-DPG, Temp
Right Shift
56
Low WBC and PLT levels alone indicate:
Bone Marrow failure
57
Average size of RBC
MCV
58
Amount of Hbg in RBC compared to size (color of RBC)
MCHC
59
MCV < 80
Microcytic
60
MCHC < 27
Hypochromic
61
MCV 80-100
Normocytic
62
MCHC >= 27
Normochromic
63
MCV > 100
Marcocytic
64
Iron Deficiency Anemia, Anemia of Chronic Ilness, Thalassemia, Sideroblastic Anemia
Microcytic and Hypochromic
65
Anemia of Chronic Illness, Sickle Cell Amemia, Aplastic Anemia, Hemolytic Anemia, CKD, HIV, Acute Blood Loss:
Normocytic and Normochromic
66
B12 and Folate Deficiency, Myelodysplastic Syndrome, Adverse Drug Reaction, Alcohol Abuse, Hypothyroidism:
Macrocytic
67
New RBC will have:
Larger RDW than old RBCs
68
Iron, Folate, B12 Deficiencies. Hemolytic Anemia.
Increased RDW
69
GI Bleeding associated with
Iron Deficiency Anemia
70
Vegetarians are at risk for:
Iron Deficiency Anemia
71
Chron’s Disease and Gastric Bypass causes Iron Deficiency Anemia due to:
Malabsorption
72
Periods of rapid growth (toddler and adolescents) can cause:
Iron Deficiency Anemia
73
Pregancy increases metabolism which can lead to:
Iron deficiency anemia
74
What MCV should you expect in Iron Deficiency Anemia
Hypocytic
75
What can interfere with Ferritin levels when diagnosing Iron Deficiency Anemia?
Acute Inflammation
76
Indicates amount of stored Iron
Ferritin
77
Ability of the body to transport Iron
Transferrin
78
Proteins available to bind Iron
TIBC
79
Increased in Iron Deficiency Anemia
TIBC
80
Decreased in inflammation and malignancy
TIBC
81
Autosomal Recessive- Alpha and Beta Types - Mutation of HBB gene
Thalassemia
82
Decrease O2 affinity, Hgb more unstable and prone to early breakdown
Effects of HgbA in Thalassemia
83
Treating Thalassemia with transfusions risks:
Iron overload
84
Thalassemia is what type of anemia?
Microcytic and Hypochromic
85
Proinflammatory cytokines inhibit erythropoietin, destroy immature erythroblasts, and stimulate release hepcidin
Anemia of Chronic Illness
86
Stores too much Iron in the liver. Decreases oral absorption of Iron in GI tract, and blocks release of Iron from Reticuloendothelial system. Found in Anemia of Chronic Illness.
Hepcidin
87
Can be both Hypocytic or Normocytic
Anemia of Chronic Illness
88
Labs: increased - bilirubin, phosphorus, uric acid, hemoglobinuria; decreased - haptoglobin
Hemolytic Anemia
89
Normocytic
Hemolytic Anemia
90
Pancytopenia - decreased “all cell lines” (RBC, WBC, PLT)
Aplastic Anemia
91
Normocytic
Aplastic Anemia
92
RBCs with Hgb S has low O2 capacity and found in:
Sickle Cell Anemia
93
Sickle Cell is what type of anemia?
Normocytic
94
Shorter RBC lifespan r/t less effective DNA synthesis, lack intrinsic factor, autoimmune can atrophy gastric cells
Pernicious Anemia (B12 deficiency)
95
Symptoms: paraesthesia, decreased balance, sore tongue, increased homocysteine
Pernicious Anemia
96
Pernicious Anemia is what type of anemia?
Macrocytic
97
Impaired RNA/DNA synthesis, found commonly in alcoholics, elderly, effects of aspirin, fetal neural tube defects.
Folate Deficiency Anemia
98
What type of anemia is Folate Deficiency Anemia?
Macrocytic
99
Granulocytes and Monocytes
Formed in the bone marrow
100
Lymphocytes and Plasma Cells
Formed in lymph tissue