問題一覧
1
What is the main goal of assistive diagnosis when examining a blood sample?
Help diagnose or predict disease or
2
What type of dye is most often used for blood staining?
Giemsa stain
3
How is a blood film (blood staining) prepared?
A sample is obtained from the cut point of the finger
4
What chemical is used as a fixing agent for color films?
methyl alcohol
5
What is the final step in preparing the blood film?
Examine the slide under a microscope
6
What the term blood samble
Refers to the small amount of blood
7
will take a blood sample Blood tests (blood work) are used to measure or examine cells/ chemicals, proteins, or other substances in the blood
True
8
What are the benefits of drawing blood?
the diagnosis and/or prognosis of the disease or disorder
9
Used in the laboratory
All of them
10
Finger puncture. experiment tools
All of them
11
The selected site should be clean, and free from infection, edema, or skin disease.
True
12
Using the lancet, form a drop of blood on the fingertip
True
13
The puncture should be deep enough to give free-flowing blood
True
14
press or squeeze the finger to increase the blood
False
15
Allow the drop of blood to fall on the slide, without touching the surface of the slide with your fingers.
True
16
One slice is used in the finger puncture experiment
False
17
Using two slides, support the short end of the first slide with your thumb and fingers of your hand.
True
18
Pull the spreader back gently so that it touches the front of the blood drop. Hold it there, till the blood moves along the junction of the two slides by capillarity
True
19
The smear should be spread in about half a second
True
20
Dry waving the slide in the air
True
21
Then dropping the diluted stain to remain for 1-2 minutes.
True
22
Lastly, examine the slide under the microscope.
True
23
The red cells appear as evenly numerous spread out, non-nucleated
True
24
Eosin. It is an acidic dye (negatively charged) and stains basic (positively charged) particles granules of eosinophils.
True
25
Methylene blue. It is a basic dye (positively charged) and stains acidic (negatively charged) granules in the cytoplasm, nuclei of leukocytes, especially the granules of basophils.
True
26
Methyl alcohol (fixative). Alcohol must be free from acetone because acetone, a very strong lipid solvent
True
27
Methyl alcohol (fixative). Alcohol must be free from acetone because acetone,, cause crenation, shrinkage, or even destruction of cell membranes.
True