The maximum antiseptic action is seen with which of the following concedntrations of ethanol_____________?
Correct answer: C. 70%
- A. 50%
- B. 65%
- C. 70%
- D. 95%
Explanation
Ethanol is most effective as an antiseptic at about 70%, because water improves protein denaturation and allows better penetration into microbes. Highly concentrated 95% ethanol dehydrates surface proteins rapidly and penetrates less effectively.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Antimicrobial Agents
144 free Antimicrobial Agents MCQs from Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Pharmacology questions like this
Pharmacology is on 4 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
Not true about penicillin G is______________?
The drug which has an antabusive effect when alcohol is ingested is______________?
The most common cause of antibiotic - related diarrhea is____________?
Blood spills in hospitals are cleaned by_______________?
Which of the following drugs to not require a change in their dosage in patients with renal failure_______________?