RETAKE PROPERTIES of Hair and Scalp - Multiple Choice Questions

Which of the following types of hair always contains a medulla?

• Fine hair

• Coarse hair

• Vellus hair

• Blonde hair

Which of the following refers to the study of the hair, including its diseases and care?

• A) Dermatology

• B) Trichology

• C) Cosmetology

• D) Biology

________ is the diameter of an individual hair strand.

• Density

• Elasticity

In the context of the hair growth cycle, the __________ is the growth phase.

• Catagen phase

• Telogen phase

• Anagen phase

• Exogen phase

Identify the part of the hair that is located below the surface of the epidermis.

• A) Hair shaft

• B) Cuticle

• C) Hair root

• D) Cortex

Which of the following refers to tiny grains of pigment in the cortex that give natural color to the hair?

• Keratin

• Melanin

• Medulla

• Sebum

The ________ is a cone-shaped elevation at the base of the hair bulb and contains blood vessels that supply nutrients that allow the hair to grow.

• Hair follicle

• Dermal papilla

• Medulla

• Sebaceous gland

The _________ is an involuntary muscle in the dermis that attaches to the hair follicle.

• Sebaceous gland

• Arrector pili muscle

• Cortex

• Hair shaft

________ measures the number of individual hair strands on 1 square inch of scalp.

• Hair density

• Hair porosity

• Hair elasticity

• Hair texture

In the context of the COHNS elements that make up human hair, ________ makes up 51 percent of a typical hair strand.

• Oxygen

• Hydrogen

• Sulfur

• Carbon