1. Penetrating injuries can introduce pathogenic microorganisms into the wound.2. Excluding chokes, the interpersonal mechanism of injury to the circulatory system penetrating injury . 3. The same physiologic measures can have markedly different survival probabilities for blunt and penetrating injuries . 4. What about after more serious penetrating injuries , like a knife stab or a gunshot wound? 5. Their purpose was to protect the wearer from penetrating injuries by fragments from an exploding device. 6. RPA can also result from a direct infection due to penetrating injury or a foreign body. 7. Usually occurring in violent crime or armed combat, penetrating injuries are commonly caused by gunshots and stabbings. 8. Most penetrating injuries are chest wounds and have a mortality rate ( death rate ) of under 10 %. 9. The FN 303's projectiles have been specifically designed to break up on impact, reducing risks of penetrating injuries . 10. Most of these injuries develop within a few weeks of the initial trauma and result from skull fractures or penetrating injuries .