02 LAB: THE HEMACYTOMETER Flashcards
T/F: The hemacytometer kit may be used for other body fluids
T
The improved neubauer has a depth of __
0.1 mm
How many secondary squares does the improved neubauer have?
9
What is the size of the secondary squares in the improved neubauer?
1x1 mm
What is the size of the primary square in the improved neubauer?
3x3 mm
In the four corners of the improved neubauer, there are ___ tertiary squares
16
In the four corners of the improved neubauer, what is the size of the tertiary squares?
0.25 x 0.25 mm
What is the use of the four corners of the improved neubauer?
WBC Counting
The central secondary square of the improved neubauer has how many tertiary squares?
25
The tertiary squares of the central secondary square of the improved neubauer has smaller squares. How many are these?
16
Size of the tertiary squares in the central secondary square in improved neubauer
0.2 x 0.2 mm
The 5 of the 25 tertiary squares in the improved neubauer is used for ___
RBC counting
In the neubauer, there are ___ tertiary squares and ___ smaller squares
16
16
In the neubauer, what is the size of the tertiary squares?
0.25 x 0.25 mm
Used for low cell count
Fuchs-Rosenthal
The Fuchs-Rosenthal is ___ (smaller/larger) than the neubauer
larger
The Fuchs-Rosenthal has a depth of ___
0.2 mm
Gridded area of Fuchs-Rosenthal
4 x 4 mm
Depth of Speirs-Levy
0.2 mm
The Speirs-Levy has ___ sections and ___ squares
4
10
The RBC thoma pipet has a ___ (smaller/larger) bore compared to WBC thoma pipet
smaller
Highest marking in the RBC thoma pipet
101
Highest marking in the WBC thoma pipet
11
Volume of the bulb in RBC thoma pipet
100 units
Volume of the bulb in WBC thoma pipet
10 units
