Select the abnormal result for a seminal fluid volume .

What is the purpose of the polarizer (polarizing filter 1) in a polarized microscope?

A post-vasectomy sample is received into the lab. You mix the sample well and place a drop of specimen on a slide. After covering it with a coverslip, you examine it under the microscope. No sperm are seen on the slide. What is the next step?

Which substance can cause falsely negative reactions for glucose and for blood by interfering with hydrogen peroxide?

Why do cystic fibrosis patients have an increase in the viscosity of their secretions?

What is the principle of the guaiac-based fecal occult blood test (gFOBT)?

If a stool sample contains only degraded hemoglobin, would this produce a false positive or a false negative result on a guaiac-based fecal occult blood test (gFOBT)?

Which of the following can cause a false postive nitrite result?

Identify the following cells indicated by the arrow.  image00660db5c14.jpg

What is the predominant organism in vaginal normal flora?