Multiple Choice
Why is 70% ethanol rather than 95% ethanol used in sterilizing skin before injections?
A) 70% ethanol kills bacteria by denaturing their surface proteins.
B) 70% ethanol kills bacteria by penetrating them and coagulating their proteins.
C) Special precautions must be taken when using 95% ethanol.
D) None of the above is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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