MDCAT Chemistry MCQ #162

MDCAT Chemistry MCQ #162

1. Question 1

   Q1. A student is studying the properties of phenol as a disinfectant. Which of the following is true about phenol's antimicrobial properties?

   • A) Phenol has broad-spectrum antimicrobial activity against bacteria, viruses, and fungi
   • B) Phenol is most effective against gram-positive bacteria due to its lipophilic nature
   • C) Phenol's antimicrobial properties are primarily due to its ability to disrupt cell membranes
   • D) Phenol's antimicrobial properties are primarily due to its ability to inhibit protein synthesis

   Answer: Phenol's antimicrobial properties are primarily due to its ability to disrupt cell membranes

   Explanation: Phenol's antimicrobial properties are primarily due to its ability to disrupt cell membranes, which distinguishes it from the other options that describe different mechanisms of action.