Texas Barber Exam Practice Test

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Prepare for the Texas Barber Exam with our comprehensive quiz. Featuring multiple-choice questions, flashcards, and detailed explanations, this resource will help you master the content and boost your confidence before your test day.

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What is the innermost layer of the hair?

Chemical relaxer or perm
Decayed matter
Medulla
Sebum

The correct answer is: Medulla

The innermost layer of the hair is called the medulla. The medulla is the central layer of the hair shaft and is made up of soft, round cells. Choice A, chemical relaxer or perm, is incorrect because these are products used on the hair and do not refer to a specific layer of the hair itself. Choice B, decayed matter, is incorrect because it does not refer to a layer of the hair and is not a natural part of the hair structure. Choice D, sebum, is incorrect because it refers to the oil produced by the scalp to lubricate the hair, but it does not refer to a specific layer of the hair. Therefore, the correct answer is C, the medulla.