What is the term for a physician who specializes in diagnosing and treating diseases and disorders of the nervous system, including the brain, spinal cord, and nerves?

What is the symbol for inches of mercury?

A. IM B. IN C. HG D. M

Which of the following statements best describes the pharmacological action of OnsetTM?

A) It reduces the effects of local anesthesia by reversing the buffering effects of the drug solution within tissues. B) It reduces the effects of local anesthesia by altering the pKa of the solutions in the cartridge. C) It is a nonselective alpha-adrenergic blocking agent that counters the effects of epinephrine on tissues. D) It is a nonselective beta blocking agent that counters the beta effects of epinephrine on smooth muscle linings of vessels.