Which one of the following drugs used in dentistry is the least toxic to the CNS and CVS?
A) Lidocaine
B) Mepivacaine
C) Prilocaine
D) Bupivacaine
C
Health Professions
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A new OEC Technician asks you why the elderly are at higher risk for developing pneumonia than younger individuals. You inform him that the elderly are more susceptible to respiratory infections because of:
a. impaired swallowing of saliva. b. decreased alveolar gas exchange. c. a reduced cough reflex. d. hardening of the major arteries.
Health Professions
The recommended dose of nitric oxide (NO) is
a. 20 ppm. b. 30 ppm. c. 40 ppm. d. 60 ppm.
Health Professions