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List 2 factors that may contribute to a difficult blood draw?

User Hogsmill
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Final answer:

Dehydration and scar tissue are two factors that may contribute to a difficult blood draw.

Step-by-step explanation:

Two factors that may contribute to a difficult blood draw are:

  1. Dehydration: When a person is dehydrated, it can make their veins smaller and harder to access.
  2. Scar tissue: If a person has had multiple blood draws in the past or surgeries that required frequent needle insertions, scar tissue can form, making it more difficult to find a suitable vein.

User Martin Jakubik
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