A QC chart in the clinical laboratory is based on the fact that for a normal distribution, what percentage of the values about the mean should be within +/– 2 SD?

A) 90%
B) 92.5%
C) 95%
D) 99%


Answer: C

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While standing behind the control-booth barrier, a radiographer makes a radiographic exposure. The x-rays scattered from the patient's body should ____________________.

a. not have enough energy remaining that will reach behind the control-booth barrier. b. scatter only once before reaching any area behind the control-booth barrier. c. scatter a minimum of 2 times before reaching any area behind the control-booth barrier. d. scatter a minimum of 10 times before reaching any area behind the control-booth barrier.

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-58 ÷ 2 =

What will be an ideal response?

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With the passage of HIPAA, large health care providers would be treated with faster service since their volume of claims is larger than small rural providers

Indicate whether the statement is true or false

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Blood flows out from the ____ and into the aorta

A) left atrium B) left ventricle C) right atrium D) right ventricle

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