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Which of the following is used as life saving substance as blood plasma?

1. Cellulose
2. Teflon
3. Bakelite
4. Polyvinyl pyrrolidone

Correct answer: Polyvinyl pyrrolidone

Solution

Polyvinyl pyrrolidone (PVP) is a water-soluble synthetic polymer that has been used as a plasma substitute/plasma expander in life-saving situations. The other options are not used for this medical purpose: cellulose is a structural polymer, Teflon is a nonstick fluoropolymer, and Bakelite is a thermosetting plastic.

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