All the following statements relative to oral verrucous carcinoma are correct except:
a. May develop from proliferative verrucous leukoplakia
b. Typically metastasizes early to subman-dibular lymph nodes
c. Usually treated with surgery
d. Microscopically well differentiated
e. Is both exophytic and endophytic
B
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Total mental and emotional and sometimes physical fatigue is usually referred to as:
A. burnout. B. stress. C. lack of sleep. D. just a bad day.
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Which of the following can stimulate the peripheral chemoreceptors? I. Hypoperfusion II. Increased temperature III. Nicotine
A. I only B. I, II, and III C. II only D. I and III only
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