El Dorado Cosmetology: Scalp And Hair! Quiz

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Quizzes Created: 1 | Total Attempts: 319

Questions: 98 | Attempts: 319 | Updated: Sep 15, 2023

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El Dorado Cosmetology: Scalp And Hair! Quiz - Quiz

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Sep 15, 2023

Quiz Edited by
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Sep 15, 2010

Quiz Created by
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El Dorado Cosmetology: Scalp And Hair! Quiz

The branch of science that focuses on the hair, its diseases, and its care is called:

The two main divisions of the hair are the hair shaft and the:

The hair root is made up of three main structures, the follicle, bulb, and:

The follicle is the tube-like depression in the skin that contains the:

The lower part of the hair root is the club-shaped:

The dermal papilla contains the blood and nerve supply that provides:

At the base of the follicle is a tiny involuntary muscle called the:

The sabaceous glands secrete a substance called:

The hair shaft is made up of three layers; the cuticle, cortex, and:

A healthy, compact cuticle serves as the hair's:

The layer of hair is generally only present in thick, coarse hair is the:

The cortex accounts for about ____ of the total weight of the hair.

Swelling the hair raises the ____ and allows liquids to penetrate.

Permanent haircolors, perm solutions, and chemical relaxers must have an alkaline pH in order to:

Permanent waving, chjemical relaxing, and oxidation haircoloring cause changes that occur in the:

By the time the hair shaft emerges from the scalp, its cells are keranitinized and:

Hair is made up of five elements; carbon, nitrogen, hydrogen:

Of tyhe five elements in human hair, the element that makes up the lowest percentage is:

Amino acids are linked together by chemical bonds called:

Side bonds account for the hair's:

Polypeptide chains are cross-linked together by these side bonds:

Compared to hydrogen and salt bonds, disulfide bonds are:

Cystine is created when a disulfide bond joins the ____ atoms of twoo neighboring cysteine amino acids.

Permanent waving and chemical hair relaxing change the shape of the hair by chemically changing the:

The agents that easily break hydrogen bonds are:

The ratio of eumelanin to pheomelanin determines:

The range of red and ginger to yellow/blonde tones in natural hair color is provided by:

The pigment in the cortex that gives natural color to the hair is known as:

The quality of hair that is described as straight, wavy, curly, or extremely curly is:

An oval cross-section is typical of:

In general, coiled hair;

The four most important factors in a hair analysis are texture, density, porosity, and:

Hair texture is a term that refers to the hair's:

Porosity is defined as the hair's:

Of all the hair types, the hair with the largest diameter is:

Fine hair has the smallest diameter and is more likely than medium or coarse hair to be:

The measure of how many individual hair strands there are on 1 square inch of scalp is the hair's:

The color of the hair is generally related to the:

Among the various natural hair colors, ____ is generally the thickest (has the highest density)

Resistant hair is hair with

Overly porous hair is usually caused by:

Hair can be streched up to 50% of its original length when it is:

When follicles slope in the same direction, the hair growing from them is called a:

Inactive sebaceous glands are generally the cause of:

Vellus hair is characterized by all the following except:

Some vellus hair is replaced with terminal hair because of hormonal changes during:

Hair growth occurs in cycles of three phases; anagen, catagen, and;

The anagen phase of the hair growth cycle is the:

The phase during which the follicle canal shrinks and detaches from the dermal papilla is the:

At any one time, about 90% of scalp hair is in the;