TSA Forensic Technology questions with correct answers

Passive Stains - Correct Answer-Drops, Flows, and Pools, results from gravity acting Transfer Stains - Correct Answer-object coming in contact with existing blood stains and leaving wipes, smears, or pattern transfers Impact Stains - Correct Answer-blood projecting through air and usually seen as splatters. (May also include gushes, splashes, and arterial spurts.) Gunshot Splatter - Correct Answer-Includes forward splatter from exit wound and back splatter from entrance wound. Typically: Forward is a fine mist and the back is larger, fewer drops. Cast-Off - Correct Answer-Results when an object sung in arc flings blood onto nearby surfaces. Tail points in direction of motion and the number of arcs can show minimum number of blows. Arterial Spray - Correct Answer-Spurt of blood when a major artery is severed with new pattern created each time the heart pumps Expired Splatter - Correct Answer-blood from an internal injury mixing with air from lungs being expelled through the nose, mouth, or an injury to airways or lungs, forms a very fine mist and some blood stains are latent. Sharp Force Injuries (Stabbing) - Correct Answer-Less blood being deposited on the instrument, smaller more linear patterns of stains