Which of the following is true concerning the botulism toxin? (Pick all that are correct)  

Which of the following best describes the portal design for parotid gland tumors?            

What histology of primary bone cancers is most common?

During the course of a Hodgkin patient’s radiotherapy treatment, which of the following may lead to the stoppage of treatment?          

A common symptom for the presentation of oral cavity cancers would be

Acute lymphocytic leukemia is regarded as a  

What structure in the head and neck is anterior to the nasopharynx?

Pre-medication for nausea for those patients being treated for medulloblastoma craniospinal axis treatments is recommended due to         

Which of the following is not a high risk factor for squamous cell cancers of the head and neck?  

Patients receiving radiation therapy for right sided renal cell carcinoma will get a reduction at ____________to ensure that no more than __________of the liver parenchyma is irradiated to a higher dose.