What is the purity standard for oxygen?

a. 99% c. 97%
b. 98% d. 95%


ANS: A
See Table 3-4.

Health Professions

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When the physician orders a blood test, the role of the medical assistant is to ________ the specimen

a. dissect b. analyze c. collect d. inspect

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The speed of a sound wave (s) is given by the frequency (f) multiplied by the wavelength (w): s = fw. Find the wavelength of a sound wave with a frequency of 2,000 vibrations per second and a speed of 330 meters/second.Answer: ___________

What will be an ideal response?

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Which of these is not associated with essential tremor?

A) head movements in a yes-yes motion B) head movement in a no-no motion C) hands shaking when trying to make movements D) hands shaking when at rest

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What character position represents the root operation in the ICD-10-PCS code?

A. Seventh B. First C. Fourth D. Third

Health Professions