A linear array transducer
a. is fixed in focal range.
b. has elements arranged in a row and fired simultaneously.
c. creates a 1csteerable 1d sound beam.
d. all of the above
a. is fixed in focal range.
Health Professions
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Which of the following indicate a potential need for administration of a water or isotonic saline aerosol?
a. Stridor or brassy, crouplike cough b. Evidence of increased volume of secretions c. Hoarseness after extubation d. Patient discomfort after bronchoscopy a. 1 and 3 only b. 1, 3, and 4 only c. 2 and 4 only d. 2, 3, and 4 only
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When the vocal cords are long and relaxed ________ sounds are produced.
A. low B. high-pitched C. loud D. soft
Health Professions