Hair, Fiber, Glass, and Microscope Exam

What is the main purpose of hair analysis in forensic science?

• To analyze the DNA and identify the suspect.

• To determine the presence of drugs or toxins and provide evidence in criminal investigations.

• To identify the age and gender of the individual.

• To determine the cause of death in a crime scene.

Which of the following is NOT a characteristic used to identify human hair?

• Hair length

• Hair texture

• Eye color

• Hair color

Which fractures occurred 1st, 2nd, and 3rd

a

b

c

3rd

2nd

1st

Which type of fiber is derived from animals (not insects)?

• Silk

• Wool

• Cotton

• Nylon

Which type of microscope is commonly used in forensic laboratories?

• Comparison microscope

• Scanning probe microscope

• Compound microscope

• Electron microscope

What is the primary component of human hair?

• Keratin

• Collagen

• Calcium

• Iron

Which type of fiber is derived from plants?

• Silk

• Wool

• Cotton

• Nylon

What is the main purpose of fiber analysis in forensic science?

• To analyze the DNA and identify the suspect.

• To determine the presence of drugs or toxins and provide evidence in criminal investigations.

• To identify the age and gender of the individual.

• To determine the source of the fiber and provide evidence in criminal investigations.

Which type of fiber is derived from insects?

• Cotton

• Nylon

• Silk

• Wool

Label the 2 different fracture patterns

b

c

Radial

Concentric

Ceramic

Seismic