問題一覧
1
It is acounting chamber originally designed and usually used for counting blood cells
Hemacytometer
2
In cyanmethemoglobin methods, test read photometrically at a wavelength of __
540 nm
3
In microscope, WBC nuclei should be
Purple to blue
4
WBC are counted in the ______ square
Four corner large
5
Each intermediate square measures _____
0.04 sq mm
6
is chipped or broken pipettes technical/human error or standard/equipment errors?
Standard or Equipment Errors
7
Each large square measure ____
1 sq mm
8
Depth of the counting chamber
0.1 mm
9
Types of Hematocrit reading
Micro-hematocrit method, Micro-hematocrit using readcrit centrifuge, Macro-hematocrit method, Automated method
10
In macroscopic, a well-stained blood film should be in what color?
Pink to purple
11
Platelet count can be viewed under
40x
12
The macro-hematocrit method uses what type of tube?
Wintrobe hematocrit tube
13
Dilution Factor of Res Blood Cell
1:100
14
Angle for Manual Wedge Techniques
30 to 45’
15
It is a red-iron bearing protein
Hemoglobin
16
Area counted in white blood cell count for 1:100 dilution
9 mm2
17
The central large area is divided into _______
25 intermediate squares
18
In microscopic, RBCs should appear
Orange to salmon pink
19
Volume of packed RBCs that occupies a given volume of whole blood
Hematocrit
20
Does red blood cell has red bead or white bead
Red bead
21
Components of CBC
WBC, RBC, Reticulocyte Count, Platelets, Hemoglobin, Hematocrit, RBC indices
22
is shaking the pipette technical/human error or standard/equipment errors
Technical or Human Error
23
Methods for hemoglobin determination
Copper Sulfate / Specific Gravity Method, Gasometric Method, Chemical Method, Colorimetric Method
24
Area counted in platelet count
1 mm2
25
In microscope, cytoplasma of neutrophil should be
Tan to pink with violet or lilac granules
26
Composed of four hemomokecukes which are conjugated with 2 pairs of globin chains
Hemoglobin
27
Too large drop
creates a long or thick film
28
Diluting fluid used in white blood cell count
1% ammonium oxalate or 3% acetic acid
29
Normal values for women
12.0 - 16.0 g/dL
30
Most convinient and most commonly used method for smear preparation
Manual wedge techniques
31
The most common counting chambee
Levy chamber with Improved Neubauer
32
Types of staining method
Manual technique, Automated slide strainers, Quick stains
33
Normal values for men
14.0 - 18.0 g/dL
34
the micro-hematocrit using readcrit centrifuge uses a _____ which eliminates the use of sealants
Sureprep capillary tubes
35
too small drop
makes a short or thin blood films
36
white blood cell can be viewed under
10x
37
The rule of three applies only to specimens that have
Normocytic and Normochromic RBCs
38
Normal values for children
14.0 - 26.0 g/dL
39
It is a blood test measures amount and sites of your red blood cells, hemoglobin, white blood cells, and platelets.
Complete Blood Count
40
After 5 hours at room temp causes unacceptable blood cell artifacts such as
Echinocytic red blood cells, Spherocytes, Necrobiotic leukocytes, Vacuolated neutrophils
41
Methylene blue is ____ and stains ____
Basic and Acid
42
Types of stains used in PBS and BM smear
Romanowsky stain, Pure wright stain, Wright-Giemsa stain
43
The most commonly used counting chambee
Open type Spencer Brightine , Improved Neubauer
44
Area counted in white blood cell count for 1:20 dilution
4 mm2
45
Molecular weight of hemoglobin
64,500 daltons
46
Used as quick visual check of the results of the hemoglobin and hematocrit
Rule of three
47
Eosin is ____ and stains _____
Acid and Basic
48
dilution factor for platelet count
1:100
49
In microscope, eosinophils should have ____ refractile granules
Bright orange
50
Most common anticoagulant for routine testing
EDTA
51
Each ruled area measures _____ divided into 9 large squares
3 sq mm
52
Normal values in late pregnancy
8.5 - 14.0 g/dL
53
RBC are counted in the ______ and _____ intermediate squares
Central and four corner
54
Specimens for CBC should be analyzed within ____ at room temperature
6 hours
55
Touching bottom or left
Do count
56
Diluting fluid for platelet count
1% ammonium oxalate
57
Touching top or right = ?
Do not count
58
Method of choice for hemoglobin determination
Cyanmethemoglobin methods
59
Blood films should be made within _____ of drawing the specimen
4 hours
60
Hematocrit often referred to as
Packed cell volume
61
The presence of free hemoglobin in the blood plasma
Hemoglobinemia
62
The red blood cell can be viewed under ___
40x
63
Each large square is divided into ______ squares
16 smaller
64
Used in evaluating and classifying varioisntyoes of anemia according to red cell indices
Hematocrit
65
Diluting Fluid for Red Blood Cell
Isotonic Saline
66
Track pattern performed for differential count
Back-and-forth serpentine and battlement