Given that selenium may be found in all of the following areas, a sample from which area of the body should not be used for selenium measurement?

Name: Given that selenium may be found in all of the following areas, a sample from which area of the body should not be used for selenium measurement?
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Question

Quizplus · Accepted Answer

Many shampoos used in the United States contain selenium, which precludes the use of hair as a sample for measurement by graphite-furnace atomic absorption spectrophotometry.

Given That Selenium May Be Found in All of the Following