Gram stains are simple diagnostic tests that identify bacteria as:

A) positive. B) negative. C) spiral. D) either A or B.

D

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Oral extranodal lymphomas:

a. May be expression of systemic disease b. May represent the primary site of the dis-ease c. Are rarely of the Hodgkin's type d. Present as masses or ulcerated masses e. All the above

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All of the following are TRUE regarding myoglobin EXCEPT:

A) it results in dark tea- or cola-colored urine. B) it is toxic to the liver and pancreas. C) it can cause acute renal failure. D) it is released as a result of rhabdomyolysis.

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