Q:

Why does an ice pack applied to a bruise reduce swelling?

waelhammad
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2022-10-22
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Why does an ice pack applied to a bruise reduce swelling?

  1. Less fl uid leaks from the bruise due to the diminished nerve impulses.
  2. It causes vasoconstriction.
  3. It reduces the metabolic rate at the local site.
  4. It increases the viscosity of blood below the ice pack.
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waelhammad
2022-10-22
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B: If blood vessels constrict, less blood can fl ow out of them. Choices C and D are true statements but are beside the point. 

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