Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 47

If 5 round cells per 100 sperm are counted in a sperm morphology smear and the sperm concentration is 30 million,

the concentration of round cells is:

A. 150,000

B. 1.5 million

C. 300,000

D. 15 million

Step 1 of 2

Concentration of round cells:

• Immature sperm (spermatids) and leukocytes present in sperm are commonly called as round cells.

The concentration of round cells there in sperm can be estimated using the below formula:

…… (1)

Where,

C is concentration of round cells,

N is number of round cells counted per 100 mature sperm

S is sperm concentration present in millions per milliliter.