Answer:
Systems Perspective
Explanation:
Based on the information provided within the question it can be said that all of this can be well explained using the concepts from the Systems Perspective. This is an approach in which you focus on the whole picture as opposed to dissecting a single element at a time. By doing this you are able to see relationships between elements that you may otherwise have missed. Thus this approach will allow you to see the interrelated lives of the Mckinley family as well as their correlation with the various external factors mentioned.
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Both are equally likely to become infected. But it depends on how far the nail is in the foot and how bad the cut is on the finger.
