Ace the Arkansas Esthetician Exam with Examzify! Engage in our comprehensive practice tests with flashcards, multiple-choice questions, detailed explanations, and instant feedback. Master your skills and pass with confidence!

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!

Practice this question and more.


What is a sub-microscopic infectious agent that replicates only within cells of living hosts?

  1. Bacteria

  2. Protozoa

  3. Virus

  4. Fungus

The correct answer is: Virus

A virus is a sub-microscopic infectious agent that replicates only within cells of living hosts. Bacteria and protozoa are both single-celled organisms and do not require a host cell for replication. Fungus, while also single-celled, is not considered a virus as it can replicate and grow on its own. Therefore, the correct answer is C Virus.