Using a 1:20 dilution and the 5 RBC counting squares of the Neubauer counting chamber,an average of 54 sperm is counted.The sperm concentration is:
A) 54,000/cc
B) 54,000,000/mL
C) 108,000/cc
D) 108,000,000/mL

Question

Quizplus · Accepted Answer

The sperm concentration is calculated by multiplying the average count by the dilution factor and by 10^6 (to convert to per mL). Here, 54 * 20 * 10^6 = 54,000,000/mL.

Using a 1:20 Dilution and the 5 RBC Counting Squares