Forensics Hair and Fibers

Front

The protein that makes up hair is called _____

Back

keratin

Front

The smallest unit of textile material that has a length many times greater than its diameter is..

Back

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 is NOT a characteristic of the medulla that varies and therefore should be observed? Options: scales, opacity, thickness, continuity

Back

scales

Front

Which of the following is NOT one of the characteristics of the cuticle that varies and should be observed? Options: scales, pigment, thickness

Back

continuity

Front

Which layer of hair is the most important component when determining which individual human the hair came from? Options: medulla, cortex, cuticle

Back

cortex

Front

The name for man-made fibers is:

Back

synthetic fibers

Front

Which of the following types of medullas are NOT commonly found in human hair? Options: continuous, absent, interrupted, fragmented

Back

continuous