05 Feb blood viscosity Pressure

PHA1500 A Structure and Function of the Human Body Module 04 Quiz The Lymphatic, Immune, and Vascular Systems Question 1 Which blood vessel transports blood from the heart out to the body? Answers: Artery Vein Capillary Auxiliary Question 2 What is the largest lymphatic organ? Answers: Thymus Tonsils Spleen Lymph node Question 3 The lymph fluid collected within the lymphatic system is eventually returned to the bloodstream. Answers: True False Question 4 Lymph nodes produce immune cells. Answers: True False Question 5 What is true of a fever? Answers: It is classified as specific immunity. It helps decrease bacteria and viruses from replicating. It is triggered by the inflammation process. It results in the production of antibodies. Question 6 What is the purpose valves in the veins? Answers: To assist in pumping blood To prevent backflow To separate deoxygenated and oxygenated blood To redirect blood flow Question 7 The effectiveness of specific immunity depends on the number of times it is exposed to a pathogen. Answers: True False Question 8 Which type of nonspecific immunity serves as the body’s first line of defense? Answers: Antimicrobial proteins External barriers Natural killer cells Phagocytosis Question 9 Receiving the flu vaccine is classified as which type of immunity? Answers: Natural active immunity Artificial active immunity Natural passive immunity Artificial passive immunity Question 10 Which immune system response causes an abnormal elevation in body temperature? Answers: Inflammation Interferons Natural killer cells Pyrexia (fever) Question 11 Arteries typically carry blood that is oxygenated? Answers: True False Question 12 Edema occurs when fluid filters out of the capillaries slower than it can be reabsorbed. Answers: True False Question 13 Which blood vessel transports blood back to the heart from the body? Answers: Artery Vein Capillary Auxiliary Question 14 What is the primary reason that blood constantly circulates throughout the body? Answers: Beating of the heart Low blood viscosity Pressure gradients Vasoconstriction and dilation Question 15 Common allergies to tree pollen and animals would be classified as which type of immune dysfunction? Answers: Autoimmune Hypersensitivity Immunodeficiency Phagocytosis Question 16 Which blood vessel allows for gas and nutrient exchange to occur between the blood and body? Answers: Artery Vein Capillary Auxiliary Question 17 Non-specific immunity effectiveness is dependent upon the number of times it is exposed to a pathogen, such as a specific type of bacteria? Answers: True False Question 18 Which immune dysfunction occurs when the immune system mistakenly attacks and destroys its own healthy tissue and cells? Answers: Autoimmune Hypersensitivity Immunodeficiency Phagocytosis Question 19 What is NOT a function of the lymphatic system? Answers: Regulation and maintenance of fluid balance Regulation and maintenance of erythrocytes (red blood cells) Absorption of fats Assisting in the process of immunity Question 20 Veins can influence blood pressure because they can undergo vasoconstriction and vasodilation? Answers: True False

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