Forensics - Unit 2 Review (Hair & Fibers)

Front

The deepest layer of hair (compared to the lead of a pencil) is the ___

Back

medulla

Front

The middle layer of a hair (compared to the wood of a pencil) is the __

Back

cortex

Front

The outside layer of a hair (compared to the ink on a pencil) is the ___

Back

cuticle

Front

Which layer of hair is the most helpful component when determining what type of animal the hair came from?

Back

cuticle

Front

The name for man-made fibers is:

Back

synthetic fibers

Front

To determine the medullary index, you would ______.

Back

measure the diameter of the medulla and divide it by the diameter of the hair

Front

What is the medullary index for a human hair?

Back

generally less than 1/3

Front

In which phase of hair growth is hair actively growing? Options: anagen, catagen, telogen, melanen

Back

anagen

Front

Which phase of hair growth is the intermediate period of hair growth and lasts about three weeks? Options: anagen, catagen, telogen, melanen

Back

catagen

Front

Which phase of hair growth is the final phase that results in hair loss and lasts about three months? Options: anagen, catagen, telogen, melanen

Back

telogen