1
Q
A
2
Q
Which condition elevates red blood cell count readings artifactually
A
White Blood Cell Greater Than 100000 per Microliter
3
Q
Which platelet morphology falsely inflates red blood cell counts
A
Giant Platelets
4
Q
Which serum protein precipitates raise red blood cell counts erroneously
A
Cryoglobulin+Cryofibrinogen
5
Q
Which red blood cell clumping reduces automated cell counts
A
Autoagglutination
6
Q
Which cold reactive antibodies falsely lower red blood cell counts
A
Cold Agglutinins
7
Q
Which in vitro process destroys red blood cell count accuracy
A
Hemolysis
8
Q
Which fragmented red blood cells lower count measurements
A
Schistocytes
9
Q
Which specimen condition invalidates red blood cell enumeration
A
Clotting
10
Q
Which white blood cell threshold causes low mean cell volume readings
A
White Blood Cell Greater Than 50000 per Microliter
11
Q
Which antibody reaction shrinks apparent red cell sizing
A
Cold Agglutinins
12
Q
Which specimen age compromises mean cell volume accuracy
A
Old Specimen
13
Q
Which metabolic disorder falsely lowers mean cell volume
A
Hyperosmolar State
14
Q
Which condition falsely elevates mean cell volume measurements
A
Cryoglobulin+Cryofibrinogen
15
Q
Which platelet size abnormality inflates mean cell volume
A
Giant Platelets
16
Q
Which in vitro red cell destruction raises mean cell volume
A
Hemolysis
17
Q
Which red cell swelling artifactually increases mean cell volume
A
Swollen Red Cells
18
Q
Which lipid excess interferes with mean cell hemoglobin accuracy
A
Lipemia
19
Q
Which bilirubin elevation distorts mean cell hemoglobin readings
A
Icterus
20
Q
Which lipoprotein particles falsely elevate mean cell hemoglobin
A
Chylomicrons
21
Q
Which leukocyte excess skews mean cell hemoglobin calculations
A
White Blood Cell Greater Than 50000 per Microliter
22
Q
Which hemoglobin artifact falsely lowers mean cell hemoglobin
A
Spuriously High Hemoglobin
23
Q
Which red blood cell count artifact raises mean cell hemoglobin erroneously
A
Spuriously Low Red Blood Cell Count
24
Q
Which cold antibody effect falsely elevates mean cell hemoglobin concentration
A
Cold Agglutinins
25
Which red cell clumping artifactually increases mean cell hemoglobin concentration
Autoagglutination
26
Which partial clotting falsely raises mean cell hemoglobin concentration
Clotting
27
Which in vitro red cell lysis elevates mean cell hemoglobin concentration
Hemolysis
28
Which in vivo red cell destruction raises mean cell hemoglobin concentration
Hemolysis
29
Which hemoglobin overestimation falsely elevates mean cell hemoglobin concentration
Spuriously High Hemoglobin
30
Which hematocrit underestimation falsely elevates mean cell hemoglobin concentration
Falsely Low Hematocrit
31
Which white blood cell excess falsely lowers mean cell hemoglobin concentration
White Blood Cell Greater Than 50000 per Microliter
32
Which hemoglobin underestimation lowers mean cell hemoglobin concentration
Falsely Low Hemoglobin
33
Which hematocrit overestimation lowers mean cell hemoglobin concentration
Spuriously High Hematocrit
34
Which lipid interference falsely elevates hemoglobin readings
Lipemia
35
Which jaundice condition distorts hemoglobin spectrophotometry
Icterus
36
Which lipoprotein fraction interferes with hemoglobin measurement
Chylomicrons
37
Which abnormal hemoglobin variants resist lysis during hemoglobinometry
Lysis Resistant Red Blood Cells
38
Which leukocyte threshold interferes with hemoglobin determination
White Blood Cell Greater Than 20000 per Microliter
39
Which thrombocytosis threshold affects hemoglobin accuracy
Platelet Count Greater Than 700 Billion per Liter
40
Which nutrition solution interferes with hemoglobin measurement
Parenteral Nutrition
41
Which protein excess falsely elevates hemoglobin readings
Hypergammaglobulinemia
42
Which serum precipitates distort hemoglobin spectrophotometry
Cryoglobulin+Cryofibrinogen
43
Which anticoagulant artifactually raises hemoglobin values
Heparin
44
Which bilirubin excess interferes with hemoglobin determination
Hyperbilirubinemia
45
Which specimen clotting falsely lowers hemoglobin measurement
Clotting
46
Which dehydration artifactually elevates microhematocrit readings
Dehydration
47
Which volume contraction falsely raises packed cell volume
Hemoconcentration
48
Which centrifugation failure inflates microhematocrit values
Insufficient Centrifugation
49
Which leukocyte layer inclusion falsely elevates microhematocrit
Buffy Coat Inclusion
50
Which sodium deficit raises microhematocrit measurements
Hyponatremia
51
Which plasma retention artifactually elevates microhematocrit
Plasma Trapping
52
Which in vitro red cell lysis falsely lowers microhematocrit
Hemolysis
53
Which improper capillary tube technique lowers microhematocrit accuracy
Improper Sealing
54
Which excess anticoagulant reduces microhematocrit readings
Increased Anticoagulant Concentration
55
Which tissue fluid contamination lowers microhematocrit values
Excess Tissue Fluid
56
Which sodium excess artifactually lowers microhematocrit
Hypernatremia
57
Which protein precipitates falsely elevate automated hematocrit
Cryoglobulin+Cryofibrinogen
58
Which platelet size abnormality inflates automated hematocrit readings
Giant Platelets
59
Which leukocytosis threshold raises automated hematocrit erroneously
White Blood Cell Greater Than 50000 per Microliter
60
Which glucose excess falsely elevates automated hematocrit
Hyperglycemia Greater Than 600 Milligrams per Deciliter
61
Which red cell clumping artifactually lowers automated hematocrit
Autoagglutination
62
Which partial clotting reduces automated hematocrit accuracy
Clotting
63
Which in vitro red cell destruction lowers automated hematocrit
Hemolysis
64
Which small red cells evade automated hematocrit counting
Microcytic Red Cells
65
Which abnormal hemoglobin red cells resist automated hematocrit lysis
Lysis Resistant Red Blood Cells
66
Which immature red cells falsely elevate white blood cell counts
Nucleated Red Blood Cells
67
Which platelet aggregates mimic white blood cell signals
Platelet Clumps
68
Which giant platelets falsely register as white blood cells
Giant Platelets
69
Which serum proteins precipitate mimicking leukocytes
Cryoglobulins
70
Which high molecular weight proteins raise white blood cell counts
Proteins
71
Which chemotherapy effect lowers automated white blood cell counts
Leukemia Chemotherapy
72
Which white cell clumping artifactually reduces white blood cell counts
Leukoagglutination
73
Which partial clotting lowers white blood cell enumeration
Clotting
74
Which disrupted white cells evade automated counting
Smudge Cells
75
Which white cell clumping falsely lowers neutrophil counts
Neutrophil Aggregation
76
Which iron storage granules mimic eosinophil population
Hemosiderin Granules
77
Which immature red cells falsely elevate lymphocyte counts
Nucleated Red Cells
78
Which platelet aggregates mimic lymphocytes
Giant Platelets+Platelet Clumps
79
Which protozoan inclusions register as lymphocytes
Malarial Parasites
80
Which neutrophil variant mimics lymphocyte morphology
Hypolobated Neutrophils
81
Which malignant lymphocytes falsely register as monocytes
Large Reactive Lymphocytes
82
Which leukemic cells mimic monocyte population
Lymphoblasts+Lymphoma Cells
83
Which immature white cells register as monocytes
Immature Granulocytes
84
Which iron granules falsely elevate eosinophil counts
Hemosiderin Granules
85
Which malarial pigment mimics eosinophil granules
Red Cells with Malarial Pigments
86
Which chemotherapy reduces automated eosinophil enumeration
Leukemia Chemotherapy
87
Which fragmented red cells mimic eosinophils
Fragmented Red Cells
88
Which microorganisms falsely elevate eosinophil counts
Microorganisms
89
Which serum precipitates mimic eosinophils
Cryoglobulins+Cryofibrinogen
90
Which in vitro red cell lysis raises eosinophil counts erroneously
Hemolysis
91
Which in vivo red cell destruction raises eosinophil counts
Hemolysis
92
Which small red cells falsely elevate platelet counts
Microcytic Red Cells
93
Which red cell inclusions mimic platelet signals
Red Cell Inclusions
94
Which white cell fragments register as platelets
White Cell Fragments
95
Which platelet aggregation falsely lowers platelet enumeration
Platelet Clumps
96
Which specimen aging reduces platelet count accuracy
Old Specimen
97
Which partial clotting artifactually lowers platelet counts
Partial Clotting
98
Which platelet morphology falsely lowers platelet counts
Giant Platelets
99
Which rosetting phenomenon reduces platelet enumeration
Platelet Satellitism
100
Which cold antibodies cause pseudothrombocytopenia
Cold Agglutinins
101
Which specimen clotting artifactually lowers platelet counts
Clotting
102
Which anticoagulant induces platelet clumping artifact
Heparin
103
Which specimen aging falsely elevates mean platelet volume
Old Specimen
104
Which ethylenediaminetetraacetic acid artifact raises mean platelet volume prematurely
Early Testing
105
Which hematocrit threshold demands immediate physician notification
Less Than 21 Percent
106
Which hematocrit level requires urgent laboratory communication
Greater Than 65 Percent
107
Which hemoglobin concentration triggers critical value protocol
Less Than 70 Grams per Liter
108
Which hemoglobin level mandates pathologist consultation
Greater Than 200 Grams per Liter
109
Which reticulocyte percentage signals severe erythroid dysfunction
Greater Than 20 Percent
110
Which absolute neutrophil count alerts new patient critical status
Less Than 2000 per Microliter
111
Which white blood cell count change triggers urgent reevaluation
1000 Difference
112
Which white blood cell threshold demands immediate infection workup
Greater Than 50000 per Microliter
113
Which coagulation parameter exceeds normal therapeutic range
Greater Than 40 Seconds
114
Which anticoagulant tube provides optimal peripheral blood morphology
Ethylenediaminetetraacetic Acid Blood
115
What maximum collection to preparation window preserves blood smear quality
3 Hours
116
Which anticoagulant prevents thrombocyte aggregation on blood films
Ethylenediaminetetraacetic Acid
117
Which platelet adherence pattern surrounds neutrophil circumference
Platelet Satellitosis
118
Which artifactual thrombocytopenia results from neutrophil platelet rosetting
Pseudothrombocytopenia
119
Which ethylenediaminetetraacetic acid effect clumps platelets mimicking leukocytes
Platelet Clumping
120
Which false leukocytosis arises from large platelet aggregates
Pseudoleukocytosis
121
Which citrate concentration corrects ethylenediaminetetraacetic acid platelet artifacts
3.2 Percent Sodium Citrate
122
Which re-collection tube resolves pseudothrombocytopenia pseudoleukocytosis
Sodium Citrate Tube
123
Which blood preparation technique evaluates optimal cellular morphology
Anticoagulant Free Blood
124
Which immediate preparation method minimizes preparation artifacts
Patient Side Preparation
125
Which manual technique dominates blood film preparation protocols
Two Glass Slide Method
126
Which spreader slide contacts blood drop during wedge preparation
Pusher Slide
127
Which receiving slide accepts spread blood film during preparation
Film Slide
128
Which critical angle determines blood film thickness distribution
Spreader Angle
129
Which excessive spreader elevation produces thick blood films
Too High Angle
130
Which insufficient spreader angle creates short thick smears
Too Low Angle
131
Which blood volume produces optimal wedge smear characteristics
Proper Drop Size
132
Which rapid spreader motion thins blood films excessively
Too Fast Speed
133
Which slow spreader motion thickens smear body excessively
Too Slow Speed
134
Which erythrocytosis thickens wedge smear preparations
Polycythemia Vera
135
Which anemia produces excessively thin wedge smear films
Anemia
136
Which smear portion exhibits gradual thickness transition
Thick to Thin Area
137
Which smear length achieves optimal cell distribution
Two Thirds to Three Fourths Slide Length
138
Which smear edge configuration indicates proper preparation
Finger Shaped
139
Which smear margin remains clearly visible throughout
Lateral Edges
140
Which smear surface lacks artifactual disruptions
No Irregularities+Holes+Streaks
141
Which smear terminal edge displays iridescent appearance
Feather Edge Rainbow
142
Which preparation technique utilizes entire blood drop volume
Whole Drop Spread
143
Which smear region concentrates small lymphocytes
Center of Film
144
Which smear periphery accumulates granulocytes monocytes
Feather Edge+Side Edges
145
Which portable device produces standardized blood films
CellaVision HemaPrep
146
Which centrifugal method creates cell monolayers
Spinner Type
147
Which automated system distributes cells evenly
Coulter LH
148
Which automated instrument minimizes chronic lymphocytic leukemia artifacts
Sysmex SP-10
149
Which cationic dye stains nucleic acids blue purple
Methylene Blue
150
Which anionic dye stains cytoplasmic proteins orange red
Eosin
151
Which staining family combines basic acidic components
Romanowsky Type Stain
152
Which oxidation product defines Romanowsky stain composition
Methylene Blue Derivatives+Eosin Derivatives
153
Which fixation solution preserves blood film cellular architecture
Fixative
154
Which Romanowsky variant requires 1 to 3 minutes primary staining
Wright Stain
155
Which buffered addition follows Wright stain flood technique
Buffer Addition
156
Which batch staining duration processes multiple slides efficiently
5 to 10 Minutes
157
Which rapid staining completes entire process in 60 seconds
Quick Stain
158
Which modified Romanowsky accelerates one minute staining
Wright Giemsa
159
Which aged water maintains optimal Romanowsky staining pH
Distilled Water Buffer
160
Which optimal pH produces salmon pink red blood cell coloration
Correct pH
161
Which neutrophil cytoplasmic hue indicates proper Romanowsky staining
Pink to Purple
162
Which eosinophil granule coloration confirms adequate staining
Bright Orange
163
Which excessive basicity grays red blood cells
Too Basic Stain Buffer
164
Which inadequate rinsing darkens white blood cell nuclei
Inadequate Rinsing
165
Which anticoagulant produces gray eosinophil granules
Heparinized Blood
166
Which excessive acidity fades red blood cell coloration
Too Acidic Stain Buffer
167
Which underbuffering produces pale leukocyte images
Underbuffering
168
Which prolonged rinsing removes cellular stain completely
Over Rinsing
169
Which plasma cell dyscrasia produces abnormally blue blood films
Increased Blood Proteins
170
Which cold antibody syndrome creates grainy blood film texture
Red Blood Cell Agglutination
171
Which lipid excess produces blue speckling at feather edge
Increased Lipid Levels
172
Which extreme leukocytosis thrombocytosis creates film holes
Markedly Increased White Blood Cell Platelet Counts
173
Which low power objective assesses overall film quality distribution
10x Objective
174
Which intermediate magnification detects rare abnormal leukocytes
40x High Dry
175
Which optimal field exhibits central pallor without cell overlap
Monolayer Area
176
Which preparation artifact concentrates leukocytes fourfold at edges
Snowplow Effect
177
Which fibrin precipitation rejects blood film preparation
Fibrin Strands
178
Which protein stacking artifact mimics true agglutination
Rouleaux Formation
179
Which rapid scanning technique surveys optimal assessment area
Longitudinal Battlement
180
Which smear storage duration precedes safe disposal
7 Days
181
Which wedge angle correction shortens excessively long thin films
Increase Acute Angle
MTAP - HEMA
flashcards
Decks in class (25)
# Cards
-
1 - INTRO (VENI, ANTICOAG)124
-
2 - INTRO 2 (ERRORS, VALUES, PBS)181
-
3 - HEMATOPOIESIS72
-
4 - ERYTHROPOIESIS149
-
5 - ERYTHROCYTES85
-
6 - RBC ANOMALIES260
-
7 - RBC INDICES162
-
8 - ANEMIA95
-
9 - OTHER DXS85
-
10 - LEUKOCYTES134
-
11 - LEUKOCYTE PER TYPE142
-
12 - WBC LAB85
-
13 - WBC ANOMALIES50
-
14 - LEUKEMIA127
-
15 - CYTOCHEMISTRY + RETICS104
-
16 - AUTOMATION70
-
17 - IRON73
-
18 - PLATELET MATURATION AND INTRO120
-
19 - PRIMARY HOMEOSTASIS60
-
20 - SECONDARY HEMOSTASIS171
-
21 - SUBSTITUTION TEST/ MIXING STUDY146
-
22 - MPC57
-
23 - LAB TEST129
-
24 - DXS74
-
25 - MKT58
