Question

1. A semen analysis on a postvasovasectomy patient has a normal sperm concentration; however, motility is decreased, and clumping is observed on the wet preparation. What is the most probable cause of these results? 2. If a structure believed to be an oval fat body stains orange with Sudan III but does not produce a Maltese cross formation with polarized light, can it be an oval fat body? Explain your answer in your own words. *All questions must be answered in complete sentences to receive any credit

Answer 1

1) most probable cause for decreased sperm motility is long abstinence because of vasectomy.

Clumping - or agglutination means the sperm sticks together ,which impairs motility. Main reason is pus cells or autoantibodies.

2) no, it is not a oval fat body because true oval fat body produces Maltese cross formation under polarized light.

A) Arthrocentesis - it is a clinical procedure using a syringe to collect synovial fluid from joint capsule. It is also known as joint aspiration.

Saline (0.3%) should be used to dilute synovial fluid for wbc count. Because acetic acid will form clot ,which is used as dilutent for blood

B) Mucin clot test - is a test of synovial fluid precipitation in acetic acid , formerly used to determine whether inflammatory arthritis was present in joint .It is a test that reflect polymerisation of synovial fluid hyaluronate. Valuable in inflammatory conditions like septic arthritis , gouty arthritis, and rheumatoid arthritis