Answer Key to Chapter 19 Learning Activities

1. 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.

Answers to interactive elements are given within the interactive element.