Local Anesthesia for the Dental Hygienist Exam Questions and Answers 100% Solved
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Course
Dental hygienist
Institution
Dental Hygienist
Local Anesthesia for the Dental
Hygienist Exam Questions and Answers
100% Solved
What potent drug used for pain control was derived from opium? -
Morphine
All of the following are reasons why procaine was NOT as desirable as
lidocaine for pain control EXCEPT one. Which one is the EXCEPTION? -...
Local anesthetics mostly have their effect on myelinated nerves in which
way? - ✔✔Mostly at the node of Ranvier
The minimal threshold stimulus required to excite a C fiber will also be
sufficient to stimulate an A fiber. - ✔✔False
When energy for conduction is derived from the nerve cell membrane itself
and is no longer dependent on the stimulus for continuance, the conduction
is considered to be: - ✔✔Self-propagating
The absolute refractory period occurs during the fraction of a millisecond
when a nerve fiber can be excited only by a much stronger stimulus than
the initial stimulus. - ✔✔False
Saltatory conduction refers to: - ✔✔Rapid transmission of nerve
impulses along a myelinated nerve fiber
What is the type of glial cell located in the peripheral nervous system? -
✔✔Schwann
Myelin (lipoprotein sheath) is composed of: - ✔✔Approximately 75%
lipid, 20% protein, and 5% carbohydrate
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