Hair Test Forensics Class

In the __________ life stage of hair, the follicle becomes dormant and hair can easily be lost .

• Anagen

• Catagen

• Telogen

The __________ is the region of a hair located outside of the medulla containing granules of pigment.

• Cuticle

• Cortex

• Medulla

• Keratin

The __________ is the tough outer covering of hair composed of overlapping scales.

• Cuticle

• Cortex

• Medulla

• Keratin

• Melanin granules

The cortex is mostly made up of __________, a type of fibrous protein.

• Cuticle

• Cortex

• Medulla

• Keratin

The central core of a hair fiber is called the __________.

• Cuticle

• Cortex

• Medulla

• Keratin

• Melanin granules

A hair is found at a crime scene and it has a thick medulla, and coronal cuticle scales. A forensic scientist claims this is an animal hair. Is the forensic scientist correct?

• Yes, they are correct because animal hairs this kind of medulla and cuticle

• No, they are wrong because human hairs have this kind of medulla and cuticle.

In which phase of hair growth is hair growing and changing?

• anagen
• catagen
• telogen

A forensic scientist wants to compare two hairs to each other under the microscope at the same time. What type of microscope should they use?

• Electron microscope

• Compound light microscope

• Comparison microscope

• Digital microscope

What cuticle type is in the picture?

• Human

• Animal

A forensic scientist wants to determine if a victim was poisoned in the last few months by studying their hair. Which test should they run on the victim's hair?

• Polymerase chain reaction

• Neutron activation analysis

• Examine under the microscope

• Flame test