The most common vasoconstrictor used in dentistry is ____________
a. epinephrine
b. Valiumâ
c. nitrous oxide
d. lidocaine
a
RATIONALE: The most common vasoconstrictor used in dentistry is epinephrine.
Health Professions
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Vitamin E toxicity has been associated with which of the following?
A. Atherosclerosis B Clotting deficiencies C. An affliction of premature infants who have been exposed to high oxygen therapy and later developed retinopathy of prematurity (formerly retrolental fibroplasias) D. Hepatoma
Health Professions
Which sleep stage is characterized by beta waves with high frequency, low amplitude activity and sawtooth waves?
a. N2 c. Eyes Closed Wake b. Eyes Open - Wake d. N1
Health Professions