Cotton ball placing pressure on the puncture wound were a needle was inserted into vein for a blood sample.

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Bandage covers the puncture site after a blood sample was taken for a blood test OR where patient had a vaccine shot. Blood tests are a tool used by doctors to determine what is wrong with the health of a person. They are a powerful diagnostic aid because many different aspects of the physiology can be assessed with a blood sample. Blood is taken from a vein near the elbow and travels through a needle straight into a low pressure test bottle.

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Size: 6144px × 4096px
Location: Chicago Illinois USA
Photo credit: © Custom Medical Stock Photo / Alamy / Afripics
License: Royalty Free
Model Released: Yes

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