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HEMA > 5.2 > Flashcards

5.2 Flashcards

1
Q

No area of central pallor

A

HYPERCHROMIA

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2
Q

Large RBC with gray/blue tinge

A

POLYCHROMATOPHILIA

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3
Q

Both hypochromic and normochromic cells are seen

A

ANISOCHROMIA

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4
Q
  • Term for variation in cell size or diameter
A

Anisocytosis

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5
Q

Term for variation in cell shape

A

POIKILOCYTOSIS

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6
Q

Ball cell, bronze cell

A

SPHEROCYTE

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7
Q

Spherical with no central pallor; small volume

A

SPHEROCYTE

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8
Q

Egg-like or oval shaped cell

A

OVALOCYTE

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9
Q

Pencil Cell, Cigar Cell

A

ELLIPTOCYTE

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10
Q

Rod or cigar shaped

A

ELLIPTOCYTE

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11
Q

Reduction of membrane cholestero

A

OVALOCYTE

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12
Q

Low surface area to volume ratio; defective membrane (spectrin deficiency)

A

SPHEROCYTE

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13
Q

Hereditary elliptocytosis

A

ELLIPTOCYTE

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14
Q

Burr cell, sea urchin cell, crenated cell

A

ECHINOCYTE

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15
Q

Regular pointed projections on outer edges of RBC

A

ECHINOCYTE

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16
Q

Depletion of ATP, exposure to hypertonic solution, artifact in drying
(crenated cell, unevenly distributed)

A

ECHINOCYTE

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17
Q

Spur cell, thorn cell

A

ACANTHOCYTE

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18
Q

Irregular spaced 3-8 thorn like
projections

A

ACANTHOCYTE

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19
Q

Increased ratio of cholesterol:lecithin

A

ACANTHOCYTE

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20
Q

Moody cell, hydrocyte, mouth cell

A

STOMATOCYTE

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21
Q

Slit-like area of central pallor

A

STOMATOCYTE

22
Q

Concave on one side only; RBC increased permeability to sodium

A

STOMATOCYTE

23
Q

Target cell, mexican hat cell

A

CODOCYTE

24
Q

Centrally stained area with thin outer
rim of hemoglobin

A

CODOCYTE

25
Q

Excess surface membrane to volume ratio

A

CODOCYTE

26
Q

Schizocyte, fragmentocyte, fragmented cell

A

SCHISTOCYTE

27
Q

Fragments of RBCs varying in size and shape

A

SCHISTOCYTE

28
Q

Extreme fragmentation produced by RBC damage by fibrin, altered vessel walls and prosthetic heart valves

A

SCHISTOCYTE

29
Q

Helmet cell, horn cell

A

KERATOCYTE

30
Q

Resemble an army helmet with short straps

A

KERATOCYTE

30
Q

Caused by an RBC being caught on a fibrin strand

A

KERATOCYTE

31
Q

Sickle cell, menisocyte

A

DREPANOCYTE

32
Q

Elongated, crescent shaped, comes to a point at one end

A

DREPANOCYTE

33
Q

Polymerization of deoxygenated Hb

A

DREPANOCYTE

34
Q

Darkly staining tetragonal crystals leaving the remainder of the cell colorless

A

Hb CC CRYSTALS

35
Q

Crystallization of Hemoglobin

A

Hb CC CRYSTALS

36
Q

Fingerlike or quartz-like crystal of dense hemoglobin protruding from the RBC membrane

A

Hb SC CRYSTALS

37
Q
  • Hemoglobin SC disease
A

Hb SC CRYSTALS

38
Q

Thin cell, wafer cell

A

LEPTOCYTE

39
Q

Thin, flat RBC with hemoglobin at periphery

A

LEPTOCYTE

40
Q

Lack of hemoglobin

A

LEPTOCYTE

41
Q

Teardrop RBC, pear-shaped cell

A

DACRYOCYTE

42
Q

RBC drawn out into single blunt- tipped spicule

A

DACRYOCYTE

43
Q

RBC squeezed out of a small opening

A

DACRYOCYTE

44
Q

Bite cell

A

DEGMACYTE

45
Q

One or more semicircular portions removed from the cell margin,

A

DEGMACYTE

46
Q

Denatured Hb undergoes pitting by splenic macrophages

A

DEGMACYTE

47
Q

Ringlike structures resembling the ring stages of malarial parasite
* Stippling/pigment not observed
* Tiny ring forms are in packets of 4: “Maltese cross

A

BABESIA

48
Q

Presence of trophozoites, schizonts and gametocytes inside RBCs
* Schufnfner’s stippling seen in P.
schizonts and ovale and P. vivax infection

A

MALARIA

49
Q

Golf ball cell

A

Hb H INCLUSIONS

50
Q

Precipitated chains of beta Hb

A

Hb H INCLUSIONS

51
Q

Hb H disease (alpha-thalassemia)

A

Hb H INCLUSIONS

HEMA (1 decks)

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