Unit 3-5 Review

What type of scales does human hair have?

• Coronal

• Spinous

• Imbricate

• Follicular Tag

What is the main body of the hair shaft?

• Cuticle

• Cortex

• Medulla

• Follicular Tag

What part of the hair has no known purpose other than identification?

• Cuticle

• Cortex

• Medulla

• Follicular Tag

How thick should the medullary be for human hair (if the medulla is present)? (This is talking about the Medullary Index measurement)

• Greater than 1/2 of the width

• 1/2 the width

• humans do not have a medulla

• Less than 1/3 the width

What gives hair its color?

• Melanin

• Sebaceous gland

• Sebum oil

• Follicular Tag

Tags

NGSS.HS-LS3-2

Match the following growth phases for hair

• telogen

• transition phase

• catagen

• initial growth phase

• anagen

• final growth phase

A red hair is found a crime scene but the follicular tag is not present, what kind of evidence is it?

• Individual

• Digital

• Direct

• Class

A rare type of fiber is found at a crime scene made of alpaca fur, what type of evidence is it?

• Individual

• Digital

• Direct

• Class

A (a)   ​ is made up of many smaller units called ​ ​ (b)  

• polymer
• monomers

When you are cold, or get spooked, these muscles contract to make your hair stand on end.

• Papilla

• Erector Pili

• Follicular Tag

• Lanugo