5.2

Question 1

No area of central pallor

Answer 1

HYPERCHROMIA

Question 2

Large RBC with gray/blue tinge

Answer 2

POLYCHROMATOPHILIA

Question 3

Both hypochromic and normochromic cells are seen

Answer 3

ANISOCHROMIA

Question 4

• Term for variation in cell size or diameter

Answer 4

Anisocytosis

Question 5

Term for variation in cell shape

Answer 5

POIKILOCYTOSIS

Question 6

Ball cell, bronze cell

Answer 6

SPHEROCYTE

Question 7

Spherical with no central pallor; small volume

Answer 7

SPHEROCYTE

Question 8

Egg-like or oval shaped cell

Answer 8

OVALOCYTE

Question 9

Pencil Cell, Cigar Cell

Answer 9

ELLIPTOCYTE

Question 10

Rod or cigar shaped

Answer 10

ELLIPTOCYTE

Question 11

Reduction of membrane cholestero

Answer 11

OVALOCYTE

Question 12

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

Answer 12

SPHEROCYTE

Question 13

Hereditary elliptocytosis

Answer 13

ELLIPTOCYTE

Question 14

Burr cell, sea urchin cell, crenated cell

Answer 14

ECHINOCYTE

Question 15

Regular pointed projections on outer edges of RBC

Answer 15

ECHINOCYTE

Question 16

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

Answer 16

ECHINOCYTE

Question 17

Spur cell, thorn cell

Answer 17

ACANTHOCYTE

Question 18

Irregular spaced 3-8 thorn like
projections

Answer 18

ACANTHOCYTE

Question 19

Increased ratio of cholesterol:lecithin

Answer 19

ACANTHOCYTE

Question 20

Moody cell, hydrocyte, mouth cell

Answer 20

STOMATOCYTE

Question 21

Slit-like area of central pallor

Answer 21

STOMATOCYTE

Question 22

Concave on one side only; RBC increased permeability to sodium

Answer 22

STOMATOCYTE

Question 23

Target cell, mexican hat cell

Answer 23

CODOCYTE

Question 24

Centrally stained area with thin outer
rim of hemoglobin

Answer 24

CODOCYTE

Question 25

Excess surface membrane to volume ratio

Answer 25

CODOCYTE

Question 26

Schizocyte, fragmentocyte, fragmented cell

Answer 26

SCHISTOCYTE

Question 27

Fragments of RBCs varying in size and shape

Answer 27

SCHISTOCYTE

Question 28

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

Answer 28

SCHISTOCYTE

Question 29

Helmet cell, horn cell

Answer 29

KERATOCYTE

Question 30

Resemble an army helmet with short straps

Answer 30

KERATOCYTE

Question 30

Caused by an RBC being caught on a fibrin strand

Answer 30

KERATOCYTE

Question 31

Sickle cell, menisocyte

Answer 31

DREPANOCYTE

Question 32

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

Answer 32

DREPANOCYTE

Question 33

Polymerization of deoxygenated Hb

Answer 33

DREPANOCYTE

Question 34

Darkly staining tetragonal crystals leaving the remainder of the cell colorless

Answer 34

Hb CC CRYSTALS

Question 35

Crystallization of Hemoglobin

Answer 35

Hb CC CRYSTALS

Question 36

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

Answer 36

Hb SC CRYSTALS

Question 37

* Hemoglobin SC disease

Answer 37

Hb SC CRYSTALS

Question 38

Thin cell, wafer cell

Answer 38

LEPTOCYTE

Question 39

Thin, flat RBC with hemoglobin at periphery

Answer 39

LEPTOCYTE

Question 40

Lack of hemoglobin

Answer 40

LEPTOCYTE

Question 41

Teardrop RBC, pear-shaped cell

Answer 41

DACRYOCYTE

Question 42

RBC drawn out into single blunt- tipped spicule

Answer 42

DACRYOCYTE

Question 43

RBC squeezed out of a small opening

Answer 43

DACRYOCYTE

Question 44

Bite cell

Answer 44

DEGMACYTE

Question 45

One or more semicircular portions removed from the cell margin,

Answer 45

DEGMACYTE

Question 46

Denatured Hb undergoes pitting by splenic macrophages

Answer 46

DEGMACYTE

Question 47

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

Answer 47

BABESIA

Question 48

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

Answer 48

MALARIA

Question 49

Golf ball cell

Answer 49

Hb H INCLUSIONS

Question 50

Precipitated chains of beta Hb

Answer 50

Hb H INCLUSIONS

Question 51

Hb H disease (alpha-thalassemia)

Answer 51

Hb H INCLUSIONS