Using the information provided,calculate the sperm concentration and sperm count:
-Using a 1:20 dilution of a specimen with a volume of 3 mL,an average of 86 sperm are counted in the five RBC counting squares of the Neubauer hemocytometer.
A) 43 million/mL and 129 million/specimen
B) 86 million/mL and 258 million/specimen
C) 17 million/mL and 52 million/specimen
D) 69 million/mL and 206 million/specimen

Question

Quizplus · Accepted Answer

To calculate the sperm concentration (million/mL), use the formula: (average count per square × dilution factor × 10^4) / number of squares counted. Here, it's (86 × 20 × 10^4) / 5 = 86 × 4 × 10^4 = 344,000 or 86 million/mL. For total sperm count in the specimen, multiply the concentration by the volume of the specimen: 86 million/mL × 3 mL = 258 million.

Using the Information Provided,calculate the Sperm Concentration and Sperm Count