PBS Unit 1.1 Exam Study Guide

PBS Unit 1.1 Exam Study Guide decendent - Answer a person who has died Search Methods - Answer grid, line, zone, spiral evidence - Answer the available body of facts or information indi cating whether a belief or proposition is true or valid. polygraph test - Answer Test that measures respiration, blood p ressure, and perspiration while person is asked a series of questions; outcome i s a diagnostic opinion about honesty. heart rate - Answer A measure of cardiac activity usually express ed as the number of beats per minute. pulse - Answer Beat of the heart as felt through the walls of the a rteries. respiratory rate - Answer number of breaths per minute trace evidence - Answer small but measurable amounts of physical or biological material found at a crime scene hair cortex - Answer Middle, thickest portion of a hair shaft hair cuticle - Answer Outermost layer of hair; consisting of a singl e, overlapping layer of transparent, scale-like cells that look like shingles on a roof. hair medulla - Answer innermost portion of a hair shaft ridge pattern - Answer recognizable pattern of ridges in a fin gerprint Fingerprint Minutiae - Answer characteristics of ridge patterns Forensic Science - Answer The application of scientific knowled ge to questions of civil and criminal law. another name for red blood cells - Answer erythrocytes Another name for white blood cells - Answer leukocytes another name for platelets - Answer thrombocytes function of red blood cells - Answer transport oxygen and carbon dioxide Function of white blood cells - Answer fight infections function of platelets - Answer blood clotting Function of plasma - Answer mostly made of water, transports mat erials in blood, allows for diffusion into/out of blood