Micro 205 Exam 4 (ASU-Daydiff) questions with correct answers

What line are specific defenses? CORRECT ANSWER Third Line What constitutes the third line? CORRECT ANSWER Lymphocytes, anti bodies What is specific immunity? CORRECT ANSWER The bodies ability to recognize and defend against pathogens What is the immune system best at fighting: recognized pathogens or new ones? CORRECT ANSWER Recognized pathogens What must the specific defense recognize? CORRECT ANSWER Foreign from self What is an antigen? CORRECT ANSWER Something that triggers a specific immune response What is an epitope? CORRECT ANSWER region or fragment of a molecule with antigenic properties What is the purpose of the lymphatic system? CORRECT ANSWER Fluid return network that screens body for antigens What is lymph? CORRECT ANSWER excess tissue fluid carried by lymphatic vessels