A first morning sputum is received for culture of mycobacteria.  It is digested and concentrated by the N-acetyl-L-cysteine alkali method.  Two Lowenstein-Jensen slants are incubated in the dark at 35° C with 5-10% CO2. The smears reveal acid-fast bacilli, and after 7 days, no growth appears on the slants.  The best explanation is:

The most appropriate way for a highly contagious patient to be seen in a medical office is to ________.

Which coagulation test results would suggest that patient is experiencing increased fibrinolysis?

This hybridization technique allows analysis of any specific gene or region without having to separate it from a complex background.

Gloves that are worn in the laboratory for handling specimens must be removed, and proper hand hygiene performed, in which of the following situations?

A history finding that indicates spinal stenosis is:

The antibody most frequently present in Systemic Lupus Erythematosus (SLE) is directed against:

A glycated hemoglobin (Hgb A1C) result of 8.5% correlates to which of the following?

A urine sample is received in the laboratory with the appropriate custody control form and a request for DOA ( drugs abuse use) screening.  Which test result would be cause for rejecting the sample?

If drug X has a half-life (T½) of 2 days (48 hours) and the concentration at 12:00 today was 10 mcg/mL (microgram/mL), what would the expected concentration of drug X be at 12:00 tomorrow?