Straighterline Anatomy and Physiology 2 BIO202 Topic 5: Immunity Quiz 2023

Straighterline Anatomy and Physiology 2 BIO202 Topic 5: Immunity Quiz 2023 Hello We are a team of experts offering course attendance for all Straighterline, Portage Learning, Sophia etc courses. We also write essays, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (908) 954-4829. Guaranteed Passing!  BIO202_MH_V3  Topic 5: Immunity Started on Saturday, June 10, 2023, 12:42 PM State Finished Completed on Saturday, June 10, 2023, 1:18 PM Time taken 35 mins 42 secs Grade 40.00 out of 40.00 (100%) Question 1 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is NOT a secondary lymphatic organ? Select one: a. spleen b. lymph nodec. lymphatic nodule d. thymus gland Question 2 Correct 2.00 points out of 2.00 Flag question Question text The type of adaptive immunity that provides immediate protection against disease when there is no time for the person to develop their own immunity is called _____ immunity. Select one: a. active natural b. active artificial c. passive innate d. passive artificial e. active immediate Question 3 Correct 2.00 points out of 2.00 Flag question Question text All of the following are the signs and symptoms of local inflammation, except Select one: a. redness. b. edema. c. heat. d. pain. e. hemorrhage. Question 4 Correct2.00 points out of 2.00 Flag question Question text Lymphocyte proliferation begins by increasing the number of Select one: a. macrophages. b. B cells. c. T suppressor cells. d. helper T cells. e. cytotoxic T cells. Question 5 Correct 2.00 points out of 2.00 Flag question Question text T helper cells possess a glycoprotein called CD4. This molecule binds to Select one: a. MHC class I molecules. b. MHC class II molecules. c. MHC-CD8 antigens. d. MHC-CD28 antigens. e. Interleukin-1 receptor. Question 6 Correct 2.00 points out of 2.00 Flag question Question textWhich of the following is NOT a characteristic of adaptive immunity? Select one: a. It has memory. b. You are born with it. c. It has specificity. d. Acquired throughout your lifetime. Question 7 Correct 2.00 points out of 2.00 Flag question Question text Which of the following characteristics is/are most consistent with adaptive immunity? Select one: a. constant response to each exposure b. specificity c. memory d. increased response to second and subsequent exposures e. specificity, memory and increased response to second and subsequent exposures Question 8 Correct 2.00 points out of 2.00 Flag question Question text Several days after an initial contact with an antigen, antibody blood levels increases. This is a Select one: a. primer response. b. primary response. c. precipitating response. d. principle response.e. cascade response. Question 9 Correct 2.00 points out of 2.00 Flag question Question text A surface chemical that prevents microbial growth is Select one: a. histamine. b. leukotriene. c. sebum. d. kinin. e. interferon. Question 10 Correct 2.00 points out of 2.00 Flag question Question text Which of the following substances causes increased capillary permeability, chemotaxis, and vasodilation? Select one: a. Histamine b. Prostaglandins c. Complement d. Interferon e. Cytokines Question 11 Correct 2.00 points out of 2.00Flag question Question text B-cells Select one: a. are a subset of T cells. b. when activated become plasma cells and produce antibodies. c. are responsible for forming all the body's memory cells. d. suppress the activity of T cells. e. mature in the thymus. Question 12 Correct 2.00 points out of 2.00 Flag question Question text Transplanted tissues and organs that contain _________ _________ are rejected by the body. Select one: a. self-antigens b. foreign antigens c. foreign antibodies d. self-antibodies e. plasma proteins Question 13 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is NOT an aging effect of the lymphatic system and immunity?Select one: a. Fluid removal by the lymphatic capillaries is reduced. b. Fewer antibodies are produced. c. Onset of autoimmune diseases is unchanged. d. T cell numbers remain constant but they are less functional. Question 14 Correct 2.00 points out of 2.00 Flag question Question text The HIV virus can be transmitted Select one: a. only from males to other males. b. during unprotected sexual intercourse. c. by coughing or sneezing. d. by contact with people at work. e. by hugging an infected child. Question 15 Correct 2.00 points out of 2.00 Flag question Question text In immunodeficiency diseases, Select one: a. the immune system fails to distinguish between self-antigens and foreign antigens. b. inadequate B and/or T cell formation may occur. c. IgE mediates a localized reaction. d. serum sickness results. e. immune surveillance occurs.Question 16 Correct 2.00 points out of 2.00 Flag question Question text Several research groups are working on vaccines that will be effective against the AIDS virus. When a successful vaccine is produced, it is likely to be injected to produce Select one: a. active natural immunity. b. active artificial immunity. c. passive natural immunity. d. passive artificial immunity. e. active passive immunity. Question 17 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is false? Select one: a. The HIV virus binds to the CD4 molecule of host cells. b. There is currently only one cure for AIDS - AZT. c. Most manifestations of AIDS are explained by the loss of helper T cell functions. d. Once infected by the virus, a person will test positive for HIV antibodies. e. In order for HIV to replicate, viral RNA is used to make viral DNA, which is inserted into the host cell's DNA. Question 18 Correct 2.00 points out of 2.00Flag question Question text The HIV virus infects Select one: a. B cells. b. cytotoxic T cells. c. suppressor T cells. d. helper T cells. e. monocytes. Question 19 Correct 2.00 points out of 2.00 Flag question Question text An abnormal, exaggerated response of the immune system is called Select one: a. immunization. b. an innate immune response. c. hypersensitivity. d. excess immunity. e. tolerance. Question 20 Correct 2.00 points out of 2.00 Flag question Question text Which of the following will increase your risk of contracting the HIV virus?Select one: a. use of a condom during intercourse b. heat treatment of clotting factors prior to transfusion c. use of contaminated needles d. reduction in the number of sexual partners e. abstinence