Forensics midterm review

Front

What are the microscopic characteristics studied in hair for forensic investigations?

Back

The microscopic characteristics include the pattern of the medulla, pigmentation of the cortex, and types of scales on the cuticle.

Front

What factors can affect an eyewitness's testimony?

Back

Factors include if the crime was traumatic, the length of the crime witnessed, and the attractiveness of the suspect.

Front

Which of the following is NOT a physical characteristic of soil?

Back

pH is not a physical characteristic of soil.

Front

What is the first step that needs to take place during a crime scene investigation?

Back

The first step is to preserve the crime scene.

Front

What does Locard's exchange principle imply?

Back

Locard's exchange principle implies that whenever two objects come into contact, there is always a transfer of material.

Front

What is the significance of the medulla in hair analysis?

Back

The medulla can provide information about the origin of the hair and can help differentiate between human and animal hair.

Front

How can fibers be transferred in a crime scene?

Back

Fibers can be transferred from one person's clothing to another during physical contact.

Front

What role does soil analysis play in forensic investigations?

Back

Soil analysis can help link a suspect to a crime scene or victim by matching soil samples.

Front

What is the importance of photographing a crime scene?

Back

Photographs provide a permanent record of the scene and can be used as evidence in court.

Front

What is the purpose of sketching a crime scene?

Back

Sketching helps to document the layout of the scene and the position of evidence.