When a patient is given the wrong surgery and dies, a sentinel event has occurred

Lumbar punctures are performed as a diagnostic procedure to evaluate the:

A) afferent nerves. B) cerebrospinal fluid. C) spinal nerves. D) none of the above.

Preventive treatment, including the scaling, cleaning, and removal of calculus is called _________________.?

A) impaction B) ?prophylaxis C) root canal therapy D) ?orthognathic surgery