Reverse osmosis (RO) is described as a process:
A. In which water is forced through a semipermeable membrane that acts as a molecular filter.
B. Used to purify liquid chemicals.
C. In which water forced through a carbon filter eliminates organic solvents.
D. In which salt in water moves through filter paper.
A
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Which of the following gives a parachute effect to float a salvage cover into place over the article to be covered during loss control?
A. Warm air B. Heated air C. Pocketed air D. Smoke and hot air
What are the general types of certification?
A) Those that require periodic recertification B) Those valid for the entire lifetime once the exam is passed C) Those that require an incremental fee structure D) Both A and B are correct
Volume II of the ICD-9-CM has how many sections?
a. 1 b. 2 c. 10 d. 4
An example of a laboratory duty for a medical assistant is
A. removing sutures or changing dressings. B. performing diagnostic tests. C. supervising personnel. D. teaching a patient to collect a specimen.