A fracture that occurs when a piece of bone is torn free at the site of attachment of a tendon or ligament.

Examination of a patient who is an intense smoker revealed a 1 x 2 cm indurated red mass in the floor of his mouth. Submandibular lymph nodes on the same side were asymptomatic and indu-rated. This patient should be suspected of having:

a. Lichen planus b. Erythroplakia c. Carcinoma in situ d. Squamous cell carcinoma e. None of the above

Which of the following regulates testosterone production?

A) FSH and LH B) ACTH C) Graafian follicle D) A and B