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What is the minimum inhibitory concentration (MIC) of a drug that inhibits 90% o

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Question: What is the minimum inhibitory concentration (MIC) of a drug that inhibits 90% of a bacterial population at a concentration of 2 mg/L?

Options:

  1. 1 mg/L
  2. 2 mg/L
  3. 3 mg/L
  4. 4 mg/L

Correct Answer: 2 mg/L

Solution:

The MIC is defined as the lowest concentration of an antimicrobial that will inhibit the visible growth of a microorganism after overnight incubation. In this case, the MIC is 2 mg/L.

What is the minimum inhibitory concentration (MIC) of a drug that inhibits 90% o

Practice Questions

Q1
What is the minimum inhibitory concentration (MIC) of a drug that inhibits 90% of a bacterial population at a concentration of 2 mg/L?
  1. 1 mg/L
  2. 2 mg/L
  3. 3 mg/L
  4. 4 mg/L

Questions & Step-by-Step Solutions

What is the minimum inhibitory concentration (MIC) of a drug that inhibits 90% of a bacterial population at a concentration of 2 mg/L?
Correct Answer: 2 mg/L
  • Step 1: Understand what MIC means. MIC stands for Minimum Inhibitory Concentration, which is the lowest amount of a drug needed to stop bacteria from growing.
  • Step 2: Look at the information given. The question states that a drug inhibits 90% of a bacterial population at a concentration of 2 mg/L.
  • Step 3: Recognize that the MIC is the lowest concentration that stops visible growth. Since 2 mg/L inhibits 90% of the bacteria, it is also the concentration that stops visible growth.
  • Step 4: Conclude that the MIC is the same as the concentration given, which is 2 mg/L.
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