Purposes of a needle-capping device include which of the following? 1. To isolate the sample from air exposure 2. To help prevent needlestick injuries 3. To hold the excess anticoagulant
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: A
If provided, the needle-capping device serves two purposes. First, it isolates the sample from air exposure (to ensure accurate results). Second, it helps prevent inadvertent needlestick injuries.
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