ANEMIA GENERAL OVERVIEW

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1
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2
Identify the condition defined as the decrease below normal of the number of red blood cells, hemoglobin, or volume of packed red cells.
Anemia.
3
Fill in the blank: The morphologic classification of anemias is based on ________ and MCHC.
MCV.
4
Identify the morphologic classification where both MCV and MCHC are normal.
Normocytic, normochromic anemias.
5
Enumerate three normocytic, normochromic conditions associated with a normal or decreased reticulocyte count.
1-Aplastic anemia, kidney disease, and acute blood loss.
6
Enumerate five normocytic, normochromic conditions associated with an increased reticulocyte count.
1-PNH, Donath-Landsteiner PCH, sickle cell disease, hemolytic anemia, and enzyme deficiencies like G6PD or PK def.
7
Identify the rare but potentially deadly bone marrow failure syndrome characterized by a decrease in the number of RBCs, WBCs, and platelets.
Aplastic anemia.
8
Identify the primary cause of aplastic anemia involving the depletion of specific cells.
Hematopoietic stem cells.
9
Fill in the blank: Approximately 80% to 85% of aplastic anemia cases are classified as ________ aplastic anemia.
Acquired.
10
Identify the category of acquired aplastic anemia that has no known cause.
Idiopathic acquired aplastic anemia.
11
Enumerate three identified causes of secondary acquired aplastic anemia.
1-Chemicals (insecticides, benzene), viruses (Epstein-Barr), and drugs.
12
Identify the specific drug most frequently implicated in acquired aplastic anemia.
Chloramphenicol.
13
Enumerate two diseases associated with the 15% to 20% of inherited aplastic anemia cases.
1-Dyskeratosis congenita and Shwachman-Bodian-Diamond syndrome.
14
Identify the most common inherited aplastic anemia which is also a chromosome instability disorder.
Fanconi Anemia (FA).
15
Enumerate three specific skeletal abnormalities associated with Fanconi Anemia.
1-Thumb malformations, microcephaly, and scoliosis.
16
Identify the specific skin pigmentation characteristic of Fanconi Anemia.
Café-au-lait lesions.
17
True or False: Fanconi Anemia is the same as Fanconi Syndrome.
False.
18
Identify the condition also known as Marchiafava-Micheli Syndrome.
Paroxysmal Nocturnal Hemoglobinuria (PNH).
19
Enumerate the two specific complement regulatory proteins (and their CD numbers) that are deficient in PNH.
1-DAF (CD55) and MIRL (CD59).
20
Fill in the blank: Without complement regulatory proteins, the body will ________ its own cells.
Lyse.
21
Enumerate three specific laboratory tests used for PNH diagnosis.
1-Ham's Acidified Serum Test, Sugar Water Test, and Flow cytometry.
22
Identify the specific reagent used in flow cytometry for PNH that is a fluorescent labelled proaerolysin variant.
FLAER.
23
Identify the morphologic classification where both MCV and MCHC are low, showing small cells with increased central pallor.
Microcytic, hypochromic anemias.
24
Identify the specific deficiency that results in microcytic anemia by failing to maintain normal erythropoiesis.
Iron level.
25
Enumerate the conditions using the acronym CTAILS for microcytic, hypochromic anemias.
1-Chronic blood loss, Thalassemia, Anemia of chronic inflammation, Iron deficiency anemia, Lead poisoning, and Sideroblastic anemia.
26
Identify the most common anemia among hospitalized patients, formerly known as ACD.
Anemia of chronic inflammation (ACI).
27
Identify the central feature of ACI characterized by decreased serum iron despite abundant iron stores.
Sideropenia.
28
Enumerate the three acute phase reactants (APRs) that contribute to ACI.
1-Hepcidin, Ferritin, and Lactoferrin.
29
Identify the master regulatory hormone for systemic iron metabolism that controls ferroportin activation.
Hepcidin.
30
Identify the protein responsible for transporting iron from the tissues to the blood.
Ferroportin.
31
Identify the protein that specifically transports iron within the blood.
Transferrin.
32
True or False: In Iron Deficiency Anemia (IDA), Serum Iron is low and TIBC is high.
True.
33
Identify the condition where Serum Iron is high, TIBC is normal, and Serum Ferritin is high.
Sideroblastic anemias.
34
Identify the microcytic anemia where FEP (Free Erythrocyte Protoporphyrin) remains normal while Serum Ferritin is normal.
Thalassemias.
35
Identify the morphologic classification characterized by a high MCV and normal MCHC.
Macrocytic, normochromic anemias.
36
Enumerate three causes for Vitamin B12 deficiency.
1-Inadequate intake, increased need, and competition (D. latum) or lack of intrinsic factor.
37
Identify the specific cells in the stomach that produce HCl and Intrinsic Factor.
Parietal cells.
38
Identify the condition characterized by antibodies directed against parietal cells and intrinsic factor.
Pernicious Anemia.
39
Identify the characteristic cell finding that is essentially pathognomonic for megaloblastic anemia.
Hypersegmented neutrophils.
40
True or False: Hypersegmented neutrophils are present in nonmegaloblastic anemia.
False.
41
Identify the shape of macrocytes in megaloblastic anemia versus nonmegaloblastic anemia.
Oval in megaloblastic and round in nonmegaloblastic.
42
Identify the root cause of megaloblastic anemia involving DNA synthesis.
Impaired DNA synthesis.
43
Identify the specific structure required for DNA synthesis that cannot be made without a methyl group from folate.
Thymidine triphosphate (TTP).
44
Identify the cofactor responsible for transferring the methyl group to methyl tetrahydrofolate.
Vitamin B12.
45
Fill in the blank: If TTP cannot be made, it is replaced by ________ triphosphate.
Deoxyuridine.
46
Identify the scientific names for Vitamin B12 and Folate.
Cobalamin and Folic acid.
47
Identify the synthetic form of Vitamin B12 found only in supplements.
Cyanocobalamin.
48
Identify the symptom described as the loss of epithelium on the tongue resulting in a smooth, sore surface.
Glossitis.
49
Enumerate four neurologic symptoms unique to Vitamin B12 deficiency.
1-Memory loss, numbness, tingling in toes/fingers, and loss of balance.
50
True or False: Vitamin B12 is destroyed by cooking.
False.
51
Identify the specific diet group that is at risk for dietary Vitamin B12 deficiency.
Vegans.
52
Identify the potential fetal complication of folate deficiency during pregnancy.
Neural tube defects (like spina bifida).
53
True or False: Folates are heat labile and can lose nutritional value by overcooking.
True.
54
Identify the specific diagnostic lab test result for folate deficiency involving Homocysteine.
Increased serum/plasma homocysteine.
55
Identify the specific diagnostic lab test result for Vitamin B12 deficiency involving Methylmalonic acid.
Increased serum methylmalonic acid.
56
Identify the metabolically active form of Vitamin B12.
Holotranscobalamin (holoTC).
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