_________________ dilates the coronary blood vessels to decrease cardiac work load in an anginal attack

The HIPAA Security Rule requires all of the following safeguards be in place to ensure the confidentiality, security, and integrity of electronic protected health information except:

A) administrative. B) clinical. C) technical. D) physical.

When the head moves, fluids known as perilymph and ________ in the semicircular canals and vestibule move, activating equilibrium receptors and hearing receptors. 

Fill in the blank(s) with the appropriate word(s).