Sophia_Human_Biology_Milestone_4 (A GRADE) - Ashford University | Sophia_Human_Biology_Milestone_4 (A GRADE)

You passed this Milestone 14 questions were answered correctly. 6 questions were answered incorrectly. 1 Which node does a pacemaker assist? ● The AV node ● It acts against both nodes ● Both the SA and AV nodes ● The SA node CONCEPT Cardiac Cycle and Cardiac Conduction System 2 What muscular tubes, not supported by cartilage, help regulate airflow into and out of the lungs? ● Bronchioles ● Trachea ● Alveoli ● Diaphragm CONCEPT Lower Respiratory Tract 3 Which antibody that inhibits pathogens from binding to the body's cells is found in endocrine gland secretions, such as tears and saliva? ● IgG● IgE ● IgA ● IgD CONCEPT Humoral Immunity 4 What is the function of the capillaries? ● To temporarily store blood that isn't being circulated ● To carry blood away from the heart ● To carry blood toward the heart ● To act as a zone of diffusion between blood and tissues CONCEPT Cardiovascular System 5 Monoclonal antibodies and __________ can be used to treat certain types of cancers in a process known as immunotherapy. ● Cytokines ● Leukocytes ● Polyclonal antibodies ● Macrophages CONCEPT Organ Transplant and Immunotherapy 6 What are the two types of effector T-cells? ● Helper T-cells and mediator T-cells ● Helper T-cells and phagocytic T-cells● Cytotoxic T-cells and helper T-cells ● Cytotoxic T-cells and phagocytic T-cells CONCEPT Cell-Mediated Response 7 Which of the following is an autoimmune disorder? ● Allergies ● Anaphylactic shock ● Lupus ● AIDS CONCEPT Immune System Disorders and HIV/AIDS 8 What kind of immunity involves white blood cells that have receptors for specific pathogens that changes over time and produces memory cells? ● Adaptive ● Innate ● General ● Pathogenic CONCEPT Pathogens 9 What is the role of the aorta in the systemic circuit? ● It collects deoxygenated blood supplies from the lungs. ● It collects oxygenated blood supplies from the lungs. ● It supplies oxygenated blood to various body tissues.● It supplies deoxygenated blood to various body tissues. CONCEPT Heart and Blood Flow 10 Which set of facts is true for the lymphatic system? ● It works together with the circulatory and respiratory systems. It transports blood to the central nervous system. ● It works together with the circulatory and immune systems. It carries blood to the excretory system. ● It works together with the circulatory and immune systems. It returns tissue fluid back to the cardiovascular system. ● It works together with the respiratory and immune systems. It returns tissue fluid back to the cardiovascular system. CONCEPT Lymphatic System 11 Which type of white blood cell attacks other unhealthy cells? ● Basophils ● Lymphocytes ● Monocytes ● Eosinophils CONCEPT White Blood Cells 12 What is "tidal volume?" ● The amount of air in each breath ● The amount of water the human body can hold● The amount of water the lungs can hold without failing ● The minimum amount of oxygen that has to be present in the air CONCEPT Respiration and the Respiratory Cycle 13 Which component of blood helps it to clot? ● Red blood cells ● Platelets ● Plasma ● White blood cells CONCEPT Blood 14 Which set of facts is true for vaccines? ● They produce passive immunity. They are mostly targeted against viruses. ● They produce active immunity. They are mostly targeted against bacteria. ● They produce active immunity. They are mostly targeted against viruses. ● They produce passive immunity. They are mostly targeted against bacteria. CONCEPT Vaccines 15 How do blood vessels maintain homeostasis when blood pressure increases? ● Vasoconstriction● Hypotension ● Hypertension ● Vasodilation CONCEPT Blood Pressure 16 Which cells are triggered by our immune system to destroy certain types of cancer cells? ● Spleen cells ● Myeloma cells ● Natural killer cells ● Plasma cells CONCEPT Cancer and Homeostasis 17 What is it called when a clot prevents the brain from getting enough blood? ● Hemophilia ● Embolism ● Stroke ● Thrombosis CONCEPT Platelets 18 Select the immune defense that is specific to adaptive immunity. ● Antibody ● Fever● Skin ● Inflammation CONCEPT Adaptive Immunity 19 What is the secondary means by which air enters the body when breathing is labored or heavy? ● Trachea ● Oral cavity ● Nasal cavity ● Larynx CONCEPT Upper Respiratory Tract 20 What are the antibodies found in blood type B? ● Anti-B ● Anti-A and Anti-B ● Neither anti-A nor anti-B ● Anti-A CONCEPT Blood Types