02 LAB: THE HEMACYTOMETER

Question 1

T/F: The hemacytometer kit may be used for other body fluids

Answer 1

T

Question 2

The improved neubauer has a depth of __

Answer 2

0.1 mm

Question 3

How many secondary squares does the improved neubauer have?

Answer 3

9

Question 4

What is the size of the secondary squares in the improved neubauer?

Answer 4

1x1 mm

Question 5

What is the size of the primary square in the improved neubauer?

Answer 5

3x3 mm

Question 6

In the four corners of the improved neubauer, there are ___ tertiary squares

Answer 6

16

Question 7

In the four corners of the improved neubauer, what is the size of the tertiary squares?

Answer 7

0.25 x 0.25 mm

Question 8

What is the use of the four corners of the improved neubauer?

Answer 8

WBC Counting

Question 9

The central secondary square of the improved neubauer has how many tertiary squares?

Answer 9

25

Question 10

The tertiary squares of the central secondary square of the improved neubauer has smaller squares. How many are these?

Answer 10

16

Question 11

Size of the tertiary squares in the central secondary square in improved neubauer

Answer 11

0.2 x 0.2 mm

Question 12

The 5 of the 25 tertiary squares in the improved neubauer is used for ___

Answer 12

RBC counting

Question 13

In the neubauer, there are ___ tertiary squares and ___ smaller squares

Answer 13

16
16

Question 14

In the neubauer, what is the size of the tertiary squares?

Answer 14

0.25 x 0.25 mm

Question 15

Used for low cell count

Answer 15

Fuchs-Rosenthal

Question 16

The Fuchs-Rosenthal is ___ (smaller/larger) than the neubauer

Answer 16

larger

Question 17

The Fuchs-Rosenthal has a depth of ___

Answer 17

0.2 mm

Question 18

Gridded area of Fuchs-Rosenthal

Answer 18

4 x 4 mm

Question 19

Depth of Speirs-Levy

Answer 19

0.2 mm

Question 20

The Speirs-Levy has ___ sections and ___ squares

Answer 20

4
10

Question 21

The RBC thoma pipet has a ___ (smaller/larger) bore compared to WBC thoma pipet

Answer 21

smaller

Question 22

Highest marking in the RBC thoma pipet

Answer 22

101

Question 23

Highest marking in the WBC thoma pipet

Answer 23

11

Question 24

Volume of the bulb in RBC thoma pipet

Answer 24

100 units

Question 25

Volume of the bulb in WBC thoma pipet

Answer 25

10 units