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Pretest 2 > Hematology > Flashcards

Hematology Flashcards

1
Q

Natural coagulant

A

Heparin

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2
Q

Marker for hematopoeitic cells

A

CD34

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3
Q

Start and end of hemoglobin synthesis in erythropoiesis

A

Polychromatophilic normoblast to reticulocyte

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4
Q

Pathway that generates ATP

A

Embden-Meyerhoff pathway

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5
Q

Generates 2-3-DPG

A

Rapoport-Leubering pathway

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6
Q

Primary cause of deaths in patients with sickle cell disease

A

Infectious crises

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7
Q

Test should be performed within 2 hrs of obtaining blood

A

Sugar water test

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8
Q

Specimen for sugar water test

A

Citrated whole blood

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9
Q

Characteristic of sideroblastic anemias but also is found in some weeks after iron therapy for iron deficiency anemia, or in a hypochromic anemia after transfusion with normal cells

A

Dimorphic anemia

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10
Q

Granulocyte precirsor with kidney shaped nucleus

A

Metanyelocyte

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11
Q

Granulocyte precursor with sausage- shaped nucleus

A

Band

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12
Q

Responsible for clot retraction

A

Actomyosin / thrombosthenin

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13
Q

Centrifugation for hematocrit

A

RCF of 10,000 to 15,000g for 5 minutes

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14
Q

Test for hemoglobin S, sodium dithionite, tubidity

A

Solubility test

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15
Q

Seen in microangiopathic hemolytic anemia (MAHA)

A

Schistocytes

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16
Q

Resembles Alder-Reilly inclusions

A

Toxic granules

17
Q

Resembles May-Hegglin inclusion

A

Dohle Bodies

18
Q

Many smudge cells seen in what type of leukemia

A

Chrinic lymphocytic leukemia

19
Q

Composition of the outer surface of platlets

A

Glycocalyx

20
Q

Platelet alpha and dense granules, mitochondria

A

Organelle zone

21
Q

Reduced platelet retention in paraproteinemias

A

Platelet retention in multiple myeloma

22
Q

Used to differentiate acute myelogenous leukemia and monocytic leukemias from ALL

23
Q

Used to differentiate acute kyeoogenous leukemia and monocytic leukemia from ALL

24
Q

Acute Leukemia according to FAB

A

> or equal to 30% blasts

25
Q

Acute leukemia according to WHO

A

> or equal to 20% blasts

26
Q

D-dimer positive in DIC as soon as ___ hours after onset

27
Q

Congenital def of Factor V

A

Parahemophilia, autosomal recessive

28
Q

Def of Factor VIII

A

Hemophilia A, sex linked recessive

29
Q

Def of Factor IX

A

Hemophilia B, sex linked recessive

30
Q

Def Factor XI

A

Hemophilia C, autosomal dominant

31
Q

Derived from RBC histogram

32
Q

Derived from platelet histogram

33
Q

Computed values

A

Hct, MCH & MCHC

34
Q

Three part differential includes

A

Lympho, Mono, Granu

35
Q

Five part differential includes

A

Lympho, mono, neutro, eo, baso

36
Q

Visual detection of fibrin clot

A

Tilt tube technique

37
Q

Electromechanical detection of fibrin clot

A

Fibrosystem, Fibrometer, BBL

38
Q

Photo-optical detection of fibron clot

A

Electra, Coag-A-mate, ortho-Koagulab

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