To diagnose otitis media, the physician needs to collect
A) blood cultures.
B) an aspirate obtained through the eardrum via syringe.
C) a swab of the ear canal.
D) a saline wash of ear canal.
B
Health Professions
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The gas that enters the ventilator from high-pressure sources goes directly to the patient. This is a description of a _____ system
a. single-circuit c. pneumatic circuit b. double-circuit d. power transmission
Health Professions
By what means is O2 for medical use in a hospital most commonly produced?
a. Chemical decomposition b. Electrolysis c. Fractional distillation d. Physical separation
Health Professions