Which of the following is used as life saving substance as blood plasma?
A
Cellulose
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B
Teflon
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C
Bakelite
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D
Polyvinyl pyrrolidone
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Solution
The correct option is A Polyvinyl pyrrolidone Polyvinyl pyrrolidone (PVP) is a water soluble polymer made from the monomer N - vinyl - pyrrolidone. PVP is used as plasma volume expander for trauma victims after the 1950s.