An increase in the excitation threshold of nerve tissue due to a current with a slow rise time is termed
A) antidromic propagation B) hyperpolarization
C) orthodromic propagation D) accommodation
D
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A 21-year-old African American man presents for a routine examination. Both sides of his buccal mucosa exhibit a filmy white opacity. There is no pain, and the tissue feels normal to palpation. This could be which of the following?
a. Squamous cell carcinoma b. Hairy leukoplakia c. Nicotine stomatitis d. Leukoedema e. Geographic stomatitis
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A urine specimen collected via a urostomy is received in the clinical laboratory. The specimen should be processed using
A) sheep blood agar. B) phenylethyl alcohol agar. C) MacConkey agar. D) A and B. E) all of the above.
Health Professions