11-21-2011, 06:52 AM
A 66-year-old man with a long history of cigarette smoking and
alcohol abuse has developed a protruding, centrally ulcerated mass
in his mouth, and he is concerned he has cancer. Which of the
following locations is most commonly the primary site of oral
squamous cell carcinoma?
A. Base of tongue
B. Buccal mucosa
C. Floor of mouth
D. Palate
E. Tip of tongue
alcohol abuse has developed a protruding, centrally ulcerated mass
in his mouth, and he is concerned he has cancer. Which of the
following locations is most commonly the primary site of oral
squamous cell carcinoma?
A. Base of tongue
B. Buccal mucosa
C. Floor of mouth
D. Palate
E. Tip of tongue