Forensic Science Midterm Review

Front

Middle layer of skin

Back

Dermis: The layer of skin beneath the epidermis that contains connective tissue, hair follicles, and sweat glands.

Front

What is considered biological evidence?

Back

Biological evidence includes materials that come from a living organism, such as hair, blood, or saliva.

Front

What chemical reacts with iron to produce a glowing blue color if blood is present?

Back

Luminol: A chemical used in forensic investigations that emits a blue glow when it comes into contact with blood.

Front

Which test turns pink if blood is present?

Back

Kastle-Meyer test: A color test used to detect the presence of blood.

Front

What is thread count?

Back

Thread count: The number of threads woven together per square inch of fabric, indicating its quality.

Front

What is the outermost layer of skin?

Back

Epidermis: The outermost layer of skin that provides a barrier and protects underlying tissues.

Front

What type of evidence is a fingerprint?

Back

Fingerprint: A unique pattern of ridges and valleys on the skin of a finger, used for identification.

Front

What is the purpose of the HemaStix test?

Back

HemaStix: A test used to detect the presence of hemoglobin in blood stains.

Front

What is the significance of hair in forensic science?

Back

Hair can provide biological evidence and can be used for DNA analysis or to link a suspect to a crime scene.

Front

What is the role of fluorescein in forensic investigations?

Back

Fluorescein: A chemical that can be used to detect blood stains by fluorescing under UV light.