Which of the following is not a proper recommendation regarding oral cancer for patients undergoing radiation therapy for head and neck cancer?

Xerostomia is a complication that may occur with excessive dose to which of the flowing structures?

Disease of the parotid gland may cause facial palsy due to the involvement of the 7th cranial nerve. 

The development of vulvar cancer in those younger than 40 is most likely the cause of lichen sclerosis. 

The brain is composed of 40% gray matter & 60% white matter. 

Although the head and neck region is rich with lymphatics, this region is devoid of lymphatic vessels.

The ______ regimen may be used for patients with pancreatic cancer.

Aside from gender, ______ is the most significant risk factor for breast cancer.

Which region of the larynx has the highest incidence of cancer?

The internal iliac lymph node chains lay: a. Lateral to the external iliac nodes b. Medial to the external iliac nodes c. Posterior to the external iliac nodes d. Anterior to the inguinal nodes