FIS 201 EXAM 2 WVU MOHR Latest Update 2025-

FIS 201 EXAM 2 WVU MOHR Latest Update 2025- 2026 Exam 230 Questions with 100% Verified Correct Answers Guaranteed A+

1st Degree - CORRECT ANSWER: Epidermis Only

1st Degree Burn - CORRECT ANSWER: Reddened Skin

2nd Degree - CORRECT ANSWER: Epidermis and Dermis

2nd Degree Burn - CORRECT ANSWER: Red, moist lesion

- Superficial: Blisters below epidermis

- Deep: The epidermis is destroyed

3rd Degree - CORRECT ANSWER: Damage to subcutaneous layer

3rd Degree Burn - CORRECT ANSWER: Dermis is destroyed

Abrasions - CORRECT ANSWER: Skin is scraped off via friction.

If damage is above the dermal blood vessels, may not bleed

Alleles - CORRECT ANSWER: Genes with the same function, but different sequence.

Antemortem Wounding - CORRECT ANSWER: Insects inhabiting living tissue

Generally requires filthy conditions Abuse & neglect 1 / 4

• Animals
• Young
• Elderly

Asphyxiation - CORRECT ANSWER: Oxygen deprivation

Bite Mark Injuries - CORRECT ANSWER: Compare marks to dentition

• Overlays
• Casts

Blood Typing - CORRECT ANSWER: 43%: type O

42%: type A

12%: type B

3%: type AB

-Rh factor is determined by the presence of the D antigen

• Blood type is subject to Mendelian inheritance

Bluestar - CORRECT ANSWER: Replaced luminal, easier to mix in the field. Reaction with blood can be observed readily without having complete darkness.

Blunt Force Trauma (closed) - CORRECT ANSWER: - Contusions

• Abrasions
• Lacerations
• Fracture

Bone Development - CORRECT ANSWER: - Born with ~405 "ossification

• Fusing results in 206 adult bones 2 / 4

• Speed of fusing can demonstrate age

Challenges to Bite Marks - CORRECT ANSWER: Dentition profiles can change

Skin is elastic

• Insufficient detail
• Stretching

Many people have similar dentition

• Braces

Chemical Trauma - CORRECT ANSWER: Chemical Alteration of body processes

Chemical Trauma - CORRECT ANSWER: Damage resulting from drugs and poisons.

• Prescription
• OTC
• Recreational
• Accidental

Ethanol Carbon monoxide Poisons/venoms

CODIS - CORRECT ANSWER: Created & Maintained by the FBI

Combined DNA Index System

• Convicted Offender Index
• Arrestee Index
• Missing & Unidentified Person Index
• Forensic Index

Contains approximately 4.75 million profiles 3 / 4

Collection - CORRECT ANSWER: Swab

• Stain
• Orifice
• Tool
• Buccal swab

Cut sample

• Clothing
• Bedding

Colonization Patterns - CORRECT ANSWER: 1. Time since death

• Antemortem colonization
• Perimortem wounding

Compression Laceration - CORRECT ANSWER: Skin is squeezed and bursts

Confirmatory Test - CORRECT ANSWER: Test or tests which positively identify the

material

• Moderate sensitivity, high selectivity

Confirmatory Test for Semen - CORRECT ANSWER: Stain spermatozoa with Christmas

Tree Stain

• Tails turn green, heads turn red
• To eliminate epithelial cells, add proteinase-K

Confirmatory Tests: Blood - CORRECT ANSWER: Teichmann Test & Takayama Test

• Form hemochromogen crystals by reacting to the iron

Immunoassays:

• / 4