Quiz 1: Hair analysis evidence

Which is the outside covering, made of overlapping scales of a hair follicle?

• Cuticle

• Cortex

• Medulla

• Medulla Index

Which is the inner layer made of keratin and imbedded with pigment; also contains air sacs called cortical fusi of a hair follicle?

• Cuticle

• Cortex

• Medulla

• Medulla Index

Which is the inside layer running down the center of the cortex of a hair follicle?

• Cuticle

• Cortex

• Medulla

• Medulla Index

How can you tell a human hair follicle from an animal hair follicle?

• By the cortex and the type of cuticle

• By the medulla index and the type of medulla

• By the medulla index and the type of cuticle

• By the type of cuticle and the color

Tags

NGSS.MS-LS4-2

Which describes a human hair from an animal hair?

• Human hair has a thick medulla and a spinous cuticle

• Human hair has a thin medulla and a imbricate cuticle

• Human hair has a thick medulla and a coronal cuticle

• Human hair has a thin medulla and no cuticle

Coronal types of cuticles are commonly found in ...

• all animals

• Rodents

• Humans

• Dogs

Spinous types of cuticles are commonly found in ...

• all animals

• Rodents

• Cats

• Dogs

Imbricate types of cuticles are commonly found in ...

• all animals

• Rodents

• Cats

• Dogs and humans

What is the correct order of the hair growth phases of a follicle?

• There is no exact order

• Catagen, telogen and anagen

• Anagen, catagen and telogen

• Telogen, anagen and catagen

During analysis of a hair follicle the scientists notices that their is 3 cm of grey on the root of the hair follicle how long ago did the victim dye their hair?

• 6 months ago

• 1.5 months ago

• 4 months ago

• 3 months ago