A structural dichotomy of the nervous system would include the subcategories of
A) firing rate and firing latency.
B) absolute refractory and relative refractory periods.
C) central and peripheral nervous systems.
D) somatic and autonomic nervous systems.
C
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Ataxia is a temporary cerebral disorder accompanied by abnormal involuntary movements, unusual sensations, or inappropriate behavior
Indicate whether the statement is true or false
Which of the following best describes a tracheostomy?
A) An opening from the esophagus to the trachea B) A temporary opening made from the posterior neck through the trachea C) A surgical opening from the anterior neck into the trachea D) An opening made by incision from the larynx through the neck
Which of the following makes clean cuts when breaching a floor?
A. Axe B. Pry bar C. Chain saw D. Rotary saw
For a service to be considered medically necessary by Medicare, which of the following criteria must be met?
A) It is delivered at the most appropriate level. B) It is an elective procedure. C) It is an investigational procedure. D) It is performed for the patient's convenience