Trace Evidence: Hair & Fiber Vocabulary Quiz

What is the growing period of a hair follicle that can last two to five years?

• Catagen

• Anagen

• Telogen

• Buckling

The numerical difference between the refractive indices of a fiber is known as ____.

• A) Buckling

• B) Birefringence

• C) Cuticle

• D) Cortex

What is the twisting of the hair shaft called?

• Buckling

• Anagen

• Coronal Pattern

• Cross Section

Which tool allows scientists to compare samples, such as hair and fibers, side-by-side?

• Comparison Microscope

• Cross Section

• Cuticle

• Coronal Pattern

What is the middle layer and largest part of the hair shaft in humans?

• Cuticle

• Cortex

• Cross Section

• Fibers

Which period of hair growth is intermediate and stops hair from growing?

• Anagen

• Catagen

• Telogen

• Cortex

The tool that allows side-by-side comparison of hair and fiber samples is called ____.

• Comparison Microscope

• Cross Section

• Cuticle

• Coronal Pattern

What is the non-growing portion of hair that protrudes from the follicle?

• Follicle

• Hair Shaft

• Medulla

• Keratin

The _______ is the innermost layer of the hair made up of cells forming a shaft through the middle of hairs.

• Follicle

• Hair Shaft

• Medulla

• Keratin

The diameter of the medulla to the diameter of the entire hair is known as the _______.

• Medullary Index

• Imbricate Pattern

• Ovoid Bodies

• Pigmentation