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C. immitis is a dimorphic fungus which can be isolated from sputum specimens of infected individuals. When grown on Sabouraud's agar at 25o it grows as a mold with white aerial mycelium in about 3 to 5 days. C. immitis is known to produce arthroconidia which are "barrel-shaped" after 1 to 2 weeks of growth. Within three days at 28 ºC a sputum specimen placed on Sabouraud's dextrose agar with chloramphenicol and cycloheximide produced moist, grayish growth, with a white aerial mycelium, the organism is MOST likely:

Triglyceride blood concentrations change significantly when you eat, as opposed to relatively stable levels of cholesterol, HDL, or LDL circulating in the blood. Whenever you eat a meal that contains fat, your triglyceride levels rise, which is why it is important to have a patient fast before the sample is collected. Which of the following lipid results would be expected to be FALSELY elevated on a serum specimen from a non-fasting patient?

The FTA-ABS is used to confirm that a positive non-treponemal test like RPR is not the result of a biological false positive, which occur in about 1 to 10 percent of the population. A positive RPR test and a negative FTA-ABS test is most likely the result of

The indole (modified Kovacs' reagent) is used to assess the ability of certain bacteria to produce indole by the deamination of tryptophan. Indole reacts with aldehyde in the Kovac's reagent to produce a red color. An alcoholic layer holds the red color as a ring at the top of the tube used for the idole test. If a bacteria produces the enzyme tryptophanase to break down the amino acid tryptophan, which of the following tests will be positive with Kovac's reagent?

Provide the equivalent measurement for 4 milligrams.