Techniques II Exam 3 (22-09's)

Put the following structures in order of radiosensitivity from most radiosensitive to least radiosensitive:

• Len -> Parotid gland -> Optic chiasm -> Spinal Cord

• Parotid gland -> Lens -> Optic chiasm -> Spinal cord

• Parotid gland -> Lens -> Spinal cord -> Optic chiasm

• Lens -> Parotid gland -> Spinal cord -> Optic chiasm

At what dose would you generally reduce the field off the cord when treating cancers of the head and neck?

• 3000 - 3500 cGy

• 4500 - 5000 cGy

• 5500 - 6000 cGy

• 6500 - 7000 cGy

A patient being treated to the _____________ may require a tracheostomy to be placed prior to the onset of treatment.

• Larynx

• Hypopharynx

• Oropharynx

• Parotid gland

Which of the following types of head & neck cancer is most likely to drain lymphatically ipsilaterally?

• Posterior pharyngeal wall

• Base of tongue

• Soft palate

• Buccal mucosa

Treatment to cancers of the glottis would include:

• Radiation therapy to the vocal cords only

• Radiation therapy to the larynx and draining lymphatics

• Radical neck dissection

• Concurrent chemotherapy and radiation

Virchow’s node is located:

• Medial within the supraclavicular nodes

• Laterally within the supraclavicular nodes

• Inferior on the lower jugular chain

• Superiorly on the mediastinal chain

When chemotherapy is used as the first or initial therapy chosen, it is called:

• Induction chemotherapy

• Adjuvant chemotherapy

• Concurrent chemotherapy

• 
  Concomitant chemotherapy