Taking ________ can affect a male's fertility

A microbiologist processes a specimen for culture using a buffered charcoal yeast extract agar plate. What was the original specimen used for inoculation of this agar plate?

A) Lower respiratory specimen B) Urine C) Blood D) Nasopharyngeal

When a patient comes to the clinic with a combination of symptoms that can be related to one or more conditions, the doctor usually will perform a laboratory test to rule out one of the possible conditions or diseases. This is known as which of the following?

a. Panel b. Chronic infection c. Differential diagnosis d. Fatigue