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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?

If the opening pressure of the lumbar puncture is abnormal in an adult, how should the physician proceed?

A 67-year-old patient with severe sepsis undergoes a full infectious workup upon admittance to the intensive care unit. Cultures of urine, blood, sputum, and cerebral spinal fluid are obtained. The cultures do not yield a specific organism, so further analysis of the sample is done to determine the characteristics of the microorganism. The organism’s metabolic processes are analyzed in the lab.

When do lamellar bodies begin to be produced within fetal lungs?

Hemolytic uremic syndrome (HUS) from unpasteurized milk is often caused by E. coli. What is the cow in this zoonotic infection scenario? 

Interpret the following guaiac-based fecal occult blood test. Assume collection instructions were completed exactly as directed. image00360d646da.jpg

How quickly should cell counts be done on bronchiolar lavage (BAL) samples?

What is the significance of corticosteroid crystals in synovial fluid?

What analyte is specific to seminal fluid?

A/An_______________ is an effusion that is caused by an increased capillary permeability and decreased lymphatic absorption. [BLANK-1]