b'Types of WoundsChapterAbrasion / Graze IncisionAn abrasion is the most common type ofAn incision is a clean cut through the skin and minor open wound where the skin has beenunderlying tissue caused by sharp objects rubbed or scraped away. Bleeding is usuallysuch as a knife, glass or scissors. The wound is fairly minimal as only the small capillaries areoften deep and bleeds profusely. Underlying affected. nerves and muscles may also be damaged.PunctureLacerationA puncture wound occurs when a pointed A laceration is caused by a tearing actionpenetrating object such as a bullet, nail or from sharp objects such as tin or barbed wire.garden tool pierces the skin. The skin and The wound has jagged uneven edges and canunderlying tissue structures normally close be quite large. Deep lacerations will affectaround the penetration and bleeding may deeper layers of skin tissue and may causenot always be severe. A puncture can carry damage to nerves and muscles. Bleeding isinfection deep into the wound.often severe and difficult to control.74 Bleeding'