1. A semen analysis on a vasovasostomy patient has a normal sperm concentration; however, motility is decreased, and clumping is observed on the wet preparation.

a. Explain the possible connection between these observations and the patient’s recent surgery.

b. What tests could be performed to further evaluate the patient’s infertility?

c. Briefly explain the different interpretations offered by these two tests.

d. State three ways in which a positive result on these tests could be affecting male fertility.

2. A yellow-colored semen specimen is received in the laboratory. The analysis is normal except for decreased sperm motility. Explain the possible connection between the two abnormal findings

3. Abnormal results of a semen analysis are volume = 1.0 mL and sperm concentration = 1 million/mL. State a nonpathologic cause of these abnormal results.

Q 48

1. A semen specimen with normal initial appearance fails to liquefy after 60 minutes.

a. Would a specimen pH of 9.0 be consistent with this observation? Why or why not?

b. State three chemical tests that would be of value in this analysis.

c. How does this abnormality affect fertility?

2. A specimen is delivered to the laboratory with a request to determine if semen is present. a. What two chemical tests could be performed on the specimen? b. What additional examination could be performed on the specimen?