Bios 255 Exam 3 / Questions & Expertly Verified Answers, 2025 / 2026.

BIOS 255 EXAM 3 / QUESTIONS & EXPERTLY VERIFIED ANSWERS, 2025 / 2026. Quiz_________________? Anatomy of the larynx Figure 22.4 (a, b) - Answer -Corniculate cartilage -Thyroid cartilage -Epiglottis -Cricoid cartilage Quiz_________________? B lymphocytes - Answer -produce humoral immunity -Activated B cells develop into plasma cells -Plasma cells secrete antibodies into the blood -Circulating antibodies produce humoral immunity -directly attack pathogens Quiz_________________? Cellular Respiration - Answer Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen Quiz_________________? Compare and contrast between Helper T cells and Cytotoxic T cells - Answer Cytotoxic T cells—kill infected or tumor cells by releasing a substance that poisons infected or tumor cells Helper T cells—release chemicals that attract and activate macrophages to kill cells by phagocytosis; produce chemicals that help activate B cells Quiz_________________? Compare and contrast between lymph and interstitial fluid - Answer Interstitial: -any extracellular fluid that is not found in any vessels. Lymph: -been absorbed by the lymphatic vessels -lymph resembles interstitial fluid since it is essentially the same fluid only in the lymph vessel -Lymph is a subdivision of interstitial fluid Quiz_________________? Complement proteins - Answer Aid in destruction of toxins and microorganisms Quiz_________________? Dalton's law of partial pressures - Answer -each gas in a mixture of gasses exerts its own pressure as if no other gases were present Pn2 + Po2 + Ph2o + Pco Partial pressure: The separate contribution of each gas in a mixture Quiz_________________? Defensins - Answer -peptides in the skin that kill microbes -destroy bacteria, viruses, and fungi Quiz_________________? Define antigens, epitopes and antibodies. - Answer antigens: large molecule capable of binding to an antibody or immune cells and triggering an immune response epitopes: certain regions of an antigen molecule that stimulate immune responses antibodies: reacts with an antigen and aids in protecting the body from its harmful effects Quiz_________________? Describe Autoimmune diseases and self tolerance. - Answer Autoimmune diseases: failures of self-tolerance; Immune system does not correctly distinguish self-antigens from foreign ones; Produces autoantibodies that attack body's own tissues Self-tolerance: restraint from attacking the body's