Chapter 19 (Specimen Collection)
Answer Key to Chapter 19 Learning Activities
- When experiencing difficulty in collecting a capillary blood sample, the location of the lancet puncture should be considered. It is best to avoid calloused areas. Additionally, the hand can be placed in a dependent position for a short period of time to facilitate blood collection into the fingertips. The use of a warm pack or heat application can also facilitate vasodilation and increase blood flow.
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