The etiology of hairy tongue is associated with:
a. Systemic antibiotic therapy
b. Oral hydrogen peroxide abuse
c. Therapeutic irradiation to the head and neck
d. All the above
e. None of the above
D
Health Professions
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An infant's immune system has the theoretical capacity to respond to about 10,000 vaccines at one time.
a. true b. false
Health Professions
Which of the following cancer types developed from muscle cells or connective tissues?
a. Sarcoma b. Lymphoma c. Carcinoma d. Melanoma
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