Arkansas Esthetician Practice Exam

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What is microbiology?

The study of microorganisms
The study of human diseases
The study of plants
The study of the atmosphere

The correct answer is: The study of microorganisms

Microbiology is the study of microorganisms, which are tiny living things such as bacteria, fungi, and viruses. Option B, the study of human diseases, is incorrect because while microbiology can be used to study and understand various diseases caused by microorganisms, its scope goes beyond just human diseases. Options C and D are incorrect because they do not pertain to the study of microorganisms, which is the main focus of microbiology. Therefore, the best answer is A, the study of microorganisms.