Q:11-The end-product of purine metabolism is :
Anonymous Quiz
24%
Urea
11%
Creatine
15%
Creatinine
50%
Uric acid
Q:12-When six or more consecutive daily values are distributed on one side of the mean but maintain a constant level, it is known as a :
Anonymous Quiz
29%
Normal distribution curve
45%
Mean deviation curve
17%
Shift
9%
Trend
Q:3-The degree that a procedure deviates from a known value or from a calculated mean value is known as
Anonymous Quiz
20%
Coefficient variation
27%
Quality control
47%
Stardard deviation
7%
Percent deviation
Q:14-Which one of the following hemoglobin determination methods is recommended by the International Committee for Clinical Laboratory Standards and the National Committee for Clinical Laboratory Standards?
Anonymous Quiz
25%
Oxyhemoglobin
11%
Sulfhemoglobin
20%
Methemoglobin
44%
Cyanmethemoglobin
Q:15-When using white blood cell pipets for performing a white cell count, blood is diluted
Anonymous Quiz
25%
1:200
20%
1:50
44%
1:20
11%
1:10
Q:6-An RBC exhibiting hypochromia would be described as being
Anonymous Quiz
18%
Variable in shape
38%
Packed with hemoglobin
17%
Markedly bluish in color
27%
Markedly pale in central color
👍1
Q:17-When performing automated cell counts, most automated cell counted instruments
Anonymous Quiz
21%
Count nucleated red blood cells with erythrocytes
23%
Count nucleated red blood cells with platelets
30%
Count nucleated red blood cells with leukocytes
26%
Do not count nucleated red blood cells
❤1
Q:18-During the maturation of a blood cell, the nuclear chromatin pattern becomes:
Anonymous Quiz
18%
Finer
38%
More dense
30%
Less dense
14%
More acidic
Q:19-As a general rule, when a blood cell matures
Anonymous Quiz
25%
The cell increases in size
30%
The cell decreases in size
27%
There is no change in the cell's size
18%
The nucleus increases in size
Q:20-An elevated leukocyte count with increased numbers of neutrophilic granulocytes USUALLY indicates
Anonymous Quiz
47%
Bacterial infection
24%
Viral infection
18%
Infectious mononucleosis
11%
Allergic reaction
Q:21-Which of the following tests is used to measure capillary fragility?
Anonymous Quiz
22%
Tourniquet
38%
Bleeding time
18%
Prothrombin time
22%
Partial thromboplastin time (PTT)
Q:22-On most automated cell counted, background counts are made using
Anonymous Quiz
21%
Distilled water
24%
Highly-diluted blood
31%
Diluting fluid
24%
Lysing reagent only
Q:23-Brilliant cresyl blue or new methylene blue are stains used for counting
Anonymous Quiz
55%
Reticulocytes
16%
Platelets
16%
Malaria
13%
Howell-Jolly bodies
Q:24-Cerebral spinal fluid patients with post-cerebral hemmorrhage appears
Anonymous Quiz
23%
Clear (colorless)
31%
Bright red
42%
Light yellow or straw colored
3%
Green
Q:25-The distance between the ruled surface and cover slip of the hemacytometer is
Anonymous Quiz
25%
0.1 cm
20%
1.0 cm
46%
0.1 mm
9%
1.0 mm
Q:26-On an automated blood cell counter, the two parameters affected by a high background count would be
Anonymous Quiz
20%
WBC and Hgb
31%
RBC and Hgb
36%
RBC and WBC
13%
Hct and WBC
Q:27-Leukemia may be suspected when a manual hematocrit determination reveals
Anonymous Quiz
25%
Hemolysis
14%
Icteric plasma
37%
A high hematocrit
24%
A heavy buffy coat
❤1
Q:28-Hansel's stain is appropriate for
Anonymous Quiz
16%
Circulating eosinophiles
26%
Phagocytic neutrophils
36%
Nasal secrection for eosinophiles
22%
Leukocytes in spinal fluid
Q:29-Reticulocytes contain
Anonymous Quiz
19%
DNA remnants
30%
RNA remnants
31%
Basophilic granules
19%
Howell-Jolly bodies