Colorado Cosmetology Written Practice Exam

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Study for the Colorado Cosmetology Written Exam. Test your knowledge with sample questions covering essential topics. Prepare effectively and increase your chances of passing this vital exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Single-celled microorganisms that cause diseases are known as:

Fungi
Pathogenic bacteria
Viruses
Yeast

The correct answer is: Pathogenic bacteria

Option A,Fungi, are NOT single-celled organisms. Option C, Viruses, are NOT technically considered living organisms and thus cannot be classified as "single-celled microorganisms." Option D, Yeast, are typically not pathogenic and are used in many food production processes. Option B, Pathogenic bacteria, are single-celled microorganisms that can cause disease in humans, animals, and plants, making it the correct answer.