Alcohol inhibits the excitatory neurotransmitter ____.

Droplet precautions are required for all of the following except:

a. varicella (chickenpox and shingles) c. group A streptococcus b. meningitis d. rhinovirus (colds)

Which of the following statements is correct?

A) Occlusal radiographs have some amount of dimensional distortion. B) The occlusal technique is similar to the paralleling technique. C) Occlusal films should be inserted completely into the oral cavity. D) An image receptor holder will allow for correct positioning of occlusal radiographs.