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Microbiology > hemotology > Flashcards

hemotology Flashcards

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Biology 101 flashcards
1
Q

what tube is best for mammals? birds and reptiles?

A

mammals- EDTA

birds/reptiles- heparin

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2
Q

Acanthocytes AKA

A

Spur cell

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3
Q

Echinocytes AKA

A

Burr cells

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4
Q

How does a keratocyte form

A

Blister cell pops- this is remnant

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5
Q

Codocyte AKA (2)

A

Target cell and leptocytes

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6
Q

Poikilocytes means

A

Abnormal shape

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7
Q

Schistocytes are rbc fragments that occur during

A

Intravascular hemolysis..

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8
Q

What cell is seen with DIC? What happens?

A

Schistocytes. Coagulation factors are in trauma. Ex:Organs fail, heat stroke, seizures, poisoning.

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9
Q

What cell is abundant with liver disease

A

Acanthocytes, stomatocytes, codocyte

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10
Q

What cell is abundant with IMHA.. Burn victims?

A

Spherocytes

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11
Q

Echinocytes appear due to

A

Tech error. Prep tube, blood draw, too much force.

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12
Q

Lots of Codocyte can appear due to what

A

Liver disease or anemia

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13
Q

What cell Is abundant with lead poisoning, regenerative anemia and liver disease

A

Stomatocytes

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14
Q

Which cell has no central pallor and stains darker

A

Spherocytes

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15
Q

Average size rbc in k9

A

7 microns

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16
Q

Anisocytosis

A

Rbc size variation

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17
Q

Anisocytosis is normal in what species

A

Cows

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18
Q

Macrocytic/microcytic- which is younger/bigger

A

Macrocytic is younger and bigger

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19
Q

What color is polychromic

A

Blue or purple- subjective

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20
Q

Hypochromic rbc due to what 2 things? What makes it hypochromic?

A

Lead poisoning and iron deficiency.. Low hemoglobin makes it pale

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21
Q

What two cells are normally hyperchromic

A

Spherocytes or microcytes

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22
Q

Why are microcytes hyperchromic?

A

Smaller- compact.

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23
Q

Hypochromic - increased or decreased staining?

A

Decreased staining

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24
Q

Color changes in rbc can also be from…

A

Poor staining technique

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25
Q

Rouleaux normal in what species?

A

Horses

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26
Q

Rouleaux vs agglutination

A

R- stacking rbc

A- clumping in immune mediated dz

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27
Q

How can you test if rbc are role six or agglutination?

A

Saline test- toile six will separate bc no bond

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28
Q

Nucleated rbc normal in what species

A

Birds, amphibians, llama, reptiles.

29
Q

What if NRBC seen in cats or dogs

A

Anemia

30
Q

Basophillic stippling normal in what species

A

Cats and cows

31
Q

Howell-jolly body appearance. Seen with what?

A

Eccentric- one dot not centered. Regenerated anemia

32
Q

The cause of heinz bodies

A

Tylenol toxicities. NSAID or Iron toxicity..

33
Q

You may see 5% heinz bodies in this species..

A

Cats

34
Q

Name for reticulocytes if stained with NMB/diff quik

A

NMB- retic

Diff quik- polychromatophil

35
Q

Immature rbc

A

Reticulocytes

36
Q

What if lots of retics? None?

A

Lots- regenerative anemia. None- bad bone marrow

37
Q

Are punctate or aggregate older?

A

Punctate

38
Q

What species has aggregate reticulocytes?

A

Cats

39
Q

What species do you centrifuge the PCV twice the time? (6 min)

A

Goats and sheep

40
Q

Why centrifuge goat and sheep blood twice?

A

Cells small. 4-5 microns. Takes longer to pack them

41
Q

What determines % of rbc in circulating blood volume

A

PCV/HCT

42
Q

Purpose of hemoglobin

A

Carries o2. Gives cell color

43
Q

Assists in acid-base regulation by eliminating co2

A

Hemoglobin

44
Q

Least accurate rbc indices

A

MCH

45
Q

RDW stands for

A

Red cell distribution

46
Q

Reticulocytes are not seen in this species

A

Horses

47
Q

If reticulocytes are seen in dog or cat…

A

Regeneration of RBC :)

48
Q

What 3 findings can you see in Buffy coat

A

Parasites- microfilaria, babesia

49
Q

TP is influenced by what

A

Hydration status

50
Q

TP measured with

A

Refractometer and automated chemical analyzer

51
Q

Platelets can be found in clumps esp in

A

Cats and cows

52
Q

Platelets AKA

A

Thrombocytes

53
Q

Primary vs secondary hemostasis

A

Primary- formation of platelet plug And vessel spasm

Secondary- coagulation cascade, ends in fibrin formation

54
Q

A bleeding disorder Is an issue with primary or secondary hemostasis ??

A

Secondary hemostasis

55
Q

primary hemostatic tests

A

platelet count- numbers

bleeding time- function

56
Q

PT- extrinsic or intrinsic

A

extrinsic

57
Q

PTT- extrinsic or intrinsic

A

intrinsic

58
Q

activated clotting time- intrinsic or extrinsic

A

intrinsic COMMON

59
Q

PIVKA intrinsic or extrinsic

A

extrinsic

60
Q

maturation of erythrocyte

A

Rubriblast, Prorubricyte, rubricyte, metarubricyte, reticulocyte, erythrocyte

61
Q

morphology of cell

A

myeloblast, promyelocyte, myelocyte, metamyelocyte

62
Q

left shift

A

band cells- alot is an issue

63
Q

right shift

A

hypersegmented N- no issue

64
Q

Eosinophils typically mean

A

parasites

65
Q

basophilic stppling means

A

anaphylaxis, allergic reactions

66
Q

monocyte has what

A

vacuoles

67
Q

granulocytes vs agranulocytes

A

granulocytes- BEN, agranulocytes- LM

68
Q

monocytes are seen with

A

infection

69
Q

granules in basophils are made up of what

A

heparin and histamine

Microbiology (11 decks)

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