FIS 201 EXAM 2 WVU MOHR Questions & Answers Already Graded A+

Mechanical Trauma - Physical Actions Thermal Trauma - Temperature Effects Electrical Trauma - Electrical Conduction through the body Chemical Trauma - Chemical Alteration of body processes Asphyxiation - Oxygen deprivation Degree of Injury - - Amount of force - Duration of force - Region of the body - Surface area of the body struck - Nature of the weapon Blunt Force Trauma (closed) - - Contusions - Abrasions - Lacerations - Fracture Penetrating Trauma (open) - - Incisions - Punctures - Penetrations Abrasions - Skin is scraped off via friction.If damage is above the dermal blood vessels, may not bleed 1st Degree - Epidermis Only 2nd Degree - Epidermis and Dermis 3rd Degree - Damage to subcutaneous layer Contusions - Ruptured capillaries & small blood vessels. Required force is highly variable. Patterns may be left. Subcutaneous Hemorrhage - Larger ruptured blood vessels. May be invisible if under muscle or bone. Cranial Hemmorhage - Head Trauma & Stroke Head Trauma - - Epidural - Subdural - Subarachnoid Stroke - - Cerebral - Subarachnoid Fracture - Closed vs. Open Complete vs. Incomplete Fracture Types - - Focal - Angulation- Rotation Lacerations - - Tearing of the skin - Usually caused by blunt force Tension - Skin is snagged and rips Compression Laceration - Skin is squeezed and bursts Incisions - - Skin or tissue is CUT with a sharp object. - Wound edges are clean and can be lapped together. - Frequently seen in defensive wounds. Punctures - - A piercing item- at least 2x deeper than wide - Deep subcutaneous damage & infection - Small puncture wounds an be easily missed Entry Wounds - - Typically small & round - Explosive: skin tears on entry Exit Wounds - - Typically large & star-like - Often form hematomas Shooting Distance Less than 6" - - Seared or Burned wounds - Powder deeply embedded Shooting Distance6" to 12" - - Gas fouling - Powder stippling Shoot Distance 12" to 36" - Stippling only Mechanical Asphyxia - - Strangulation - Hanging - Smothering