Introduction to Body Fluids Quiz

Question 1

Interpret the following body fluids’ color and clarity. Assume the sample has been well mixed.

(a) Yellow and Cloudy
(b) Green and Cloudy
(c) Green and Clear
(d) Yellow and Slightly Cloudy

Answer 1

(b) Green and Cloudy

Question 2

Interpret the following body fluids’ color and clarity. Assume the sample has been well mixed.

(a) Orange and Slightly Cloudy
(b) Yellow and Cloudy
(c) Green and Cloudy
(d) Yellow and Clear

Answer 2

(d) Yellow and Clear

Question 3

What is the purpose of the cytocentrifuge?

(a) Optimizes cell recovery
(b) Concentrates cells to a limited area
(c) Creates a monolayer of cells
(d) All of the above

Answer 3

(d) All of the above

Question 4

How many WBCs are present in the following square?

(a) 3
(b) 6
(c) 30
(d) 33

Answer 4

(a) 3

Question 5

Given the following information, calculate the number of WBCs/mm^3:

Dilution Factor: 1

No. of WBCs in 4 large squares on side 1: 15

No. of WBCs in 4 large squares on side 2: 17

Answer 5

40 WBCs/mm^3

Question 6

Given the following information, calculate the number of WBCs/mm^3:

Dilution Factor: 10

No. of WBCs in 4 large squares on side 1: 65

No. of WBCs in 4 large squares on side 2: 58

Answer 6

1537 WBCs/mm^3

Question 7

Given the following information, calculate the number of RBCs/mm^3:

Dilution Factor: 100
No. of RBCs in 4 large squares on side 1: 44
No. of RBCs in 4 large squares on side 2: 40

Answer 7

210,000 RBCs/mm^3

Question 8

What magnification do you use to ID cells on the hemacytometer?

(a) 4x
(b) 10x
(c) 40x
(d) 100x

Answer 8

(c) 40x

Question 9

True or False: The condensor should be up when using the hemacytometer.

Answer 9

False, condensor should be down.