Which of the Following Statements Are Correct Regarding Controls and Calibrators

question 14

Multiple Choice

Which of the following statements are correct regarding controls and calibrators?
1) Controls may not be used as calibrators.
2) Calibrators may not be used as controls.
3) Controls establish correspondence of instrument output signal with known concentration.
4) Calibrators establish correspondence of instrument output signal with known concentration.

• A)2, 4
• B)1, 3
• C)2, 3
• D)1, 4

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Definitions:

Investment

The action of dedicating financial resources in expectation of gaining profits or income.

Discounted Payback Period

The time it takes to recoup an investment considering the time value of money, by discounting future cash flows to present value.

Market Value

The immediate cost at which services or assets are exchangeable in a free trading market.

Net Present Value

A financial metric that discounts all expected future cash flows to their present value to assess the viability or profitability of an investment.