The isotope used to measure thyroid function is:

Medical massage is a generic term that refers to:

A) A unique set of massage techniques to treat pathologies B) Massage techniques used only in hospitals C) Advanced specialization focused on treatment D) None of the above

____ headaches are generally more severe and intense than other types and are more often experienced by men. 

A. Migraine B. Cluster C. Tension D. Circular