FIS 201 – Exam 2 Study Guide (WVU Mohr)
Mechanical Trauma - correct answer ✔✔ Physical Actions
Thermal Trauma - correct answer ✔✔ Temperature Effects
Electrical Trauma - correct answer ✔✔ Electrical Conduction through the body
Chemical Trauma - correct answer ✔✔ Chemical Alteration of body processes
Asphyxiation - correct answer ✔✔ Oxygen deprivation
Degree of Injury - correct answer ✔✔ - Amount of force
- Duration of force
- Region of the body
- Surface area of the body struck
- Nature of the weapon
Blunt Force Trauma (closed) - correct answer ✔✔ - Contusions
- Abrasions
- Lacerations
- Fracture
Penetrating Trauma (open) - correct answer ✔✔ - Incisions
- Punctures
- Penetrations
,Abrasions - correct answer ✔✔ Skin is scraped off via friction.
If damage is above the dermal blood vessels, may not bleed
1st Degree - correct answer ✔✔ Epidermis Only
2nd Degree - correct answer ✔✔ Epidermis and Dermis
3rd Degree - correct answer ✔✔ Damage to subcutaneous layer
Contusions - correct answer ✔✔ Ruptured capillaries & small blood vessels.
Required force is highly variable. Patterns may be left.
Subcutaneous Hemorrhage - correct answer ✔✔ Larger ruptured blood vessels.
May be invisible if under muscle or bone.
Cranial Hemmorhage - correct answer ✔✔ Head Trauma & Stroke
Head Trauma - correct answer ✔✔ - Epidural
- Subdural
- Subarachnoid
Stroke - correct answer ✔✔ - Cerebral
- Subarachnoid
Fracture - correct answer ✔✔ Closed vs. Open
, Complete vs. Incomplete
Fracture Types - correct answer ✔✔ - Focal
- Angulation
- Rotation
Lacerations - correct answer ✔✔ - Tearing of the skin
- Usually caused by blunt force
Tension - correct answer ✔✔ Skin is snagged and rips
Compression Laceration - correct answer ✔✔ Skin is squeezed and bursts
Incisions - correct answer ✔✔ - Skin or tissue is CUT with a sharp object.
- Wound edges are clean and can be lapped together.
- Frequently seen in defensive wounds.
Punctures - correct answer ✔✔ - A piercing item- at least 2x deeper than wide
- Deep subcutaneous damage & infection
- Small puncture wounds an be easily missed
Entry Wounds - correct answer ✔✔ - Typically small & round
- Explosive: skin tears on entry
Exit Wounds - correct answer ✔✔ - Typically large & star-like
- Often form hematomas
Mechanical Trauma - correct answer ✔✔ Physical Actions
Thermal Trauma - correct answer ✔✔ Temperature Effects
Electrical Trauma - correct answer ✔✔ Electrical Conduction through the body
Chemical Trauma - correct answer ✔✔ Chemical Alteration of body processes
Asphyxiation - correct answer ✔✔ Oxygen deprivation
Degree of Injury - correct answer ✔✔ - Amount of force
- Duration of force
- Region of the body
- Surface area of the body struck
- Nature of the weapon
Blunt Force Trauma (closed) - correct answer ✔✔ - Contusions
- Abrasions
- Lacerations
- Fracture
Penetrating Trauma (open) - correct answer ✔✔ - Incisions
- Punctures
- Penetrations
,Abrasions - correct answer ✔✔ Skin is scraped off via friction.
If damage is above the dermal blood vessels, may not bleed
1st Degree - correct answer ✔✔ Epidermis Only
2nd Degree - correct answer ✔✔ Epidermis and Dermis
3rd Degree - correct answer ✔✔ Damage to subcutaneous layer
Contusions - correct answer ✔✔ Ruptured capillaries & small blood vessels.
Required force is highly variable. Patterns may be left.
Subcutaneous Hemorrhage - correct answer ✔✔ Larger ruptured blood vessels.
May be invisible if under muscle or bone.
Cranial Hemmorhage - correct answer ✔✔ Head Trauma & Stroke
Head Trauma - correct answer ✔✔ - Epidural
- Subdural
- Subarachnoid
Stroke - correct answer ✔✔ - Cerebral
- Subarachnoid
Fracture - correct answer ✔✔ Closed vs. Open
, Complete vs. Incomplete
Fracture Types - correct answer ✔✔ - Focal
- Angulation
- Rotation
Lacerations - correct answer ✔✔ - Tearing of the skin
- Usually caused by blunt force
Tension - correct answer ✔✔ Skin is snagged and rips
Compression Laceration - correct answer ✔✔ Skin is squeezed and bursts
Incisions - correct answer ✔✔ - Skin or tissue is CUT with a sharp object.
- Wound edges are clean and can be lapped together.
- Frequently seen in defensive wounds.
Punctures - correct answer ✔✔ - A piercing item- at least 2x deeper than wide
- Deep subcutaneous damage & infection
- Small puncture wounds an be easily missed
Entry Wounds - correct answer ✔✔ - Typically small & round
- Explosive: skin tears on entry
Exit Wounds - correct answer ✔✔ - Typically large & star-like
- Often form hematomas
