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- HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d. cytotoxic T cells.Identify each immune response as either humoral (H) or cellular (C). A. release of histamine causes itching & sneezing B. cytotoxic T lymphocytes kill infected cells C. plasma B cells are cloned D. antibodies mark pathogen’s antigens E. cytokines signal B & T cell production F. macrophage presents antigen to the matching receptor on helper T cellWhich of following is not a type of T lymphocyte? a. Helper T cell b. Memory T cell c. Cytotoxic T cell d. Mast T cell
- The activation of cytotoxic T cells can result ina. lysis of virus-infected cells.b. production of cytokines.c. production of memory T cells.d. All of these are correct.1. Which of the following is mismatched? a. regulatory T cells: release inhibitory cytokines to dampen the immune response b. helper T cells: directly target and kill cancer cells C. cytotoxic T cells: carry out cellular immune responses d. B cells: can be activated to produce antibodies 2. Which of the following is not one of the basic functions of the nervous system? a. Formulate responses to sensory stimulation b. Send signals rapidly between body parts c. Produce major body fluids such as plasma and interstitial tissue fluid d. Detect sense stimuli 3. One example of a function of neuroglial cells is to... a. Add myelin to axons b. Produce neurotransmitters c. Bind neurotransmitters d. Link one neuron cell to another at the synapse 4. Which of the following features of a system is unlikely to lead to a stable homeostatic system? a. Negative feedback b. Positive Feedback c. Redundancy d. Complexity 5. Homeostasis is illustrated in the human body by the effects of insulin on…Explain why each choice (a-d) is correct or incorrect. T cells are differentiated into two groups based on their glycoproteins CD4 or CD8. Which of the following is true of CD4 T cells? a. They become cytotoxic T cells. b. The become antigen presenting cells. c. They become T helper cells. d. They become plasma cells.
- Which of the following pairs is mismatched? a. T-cell activation: cell division and differentiation b. effector B cell: plasma cell c. plasma cell: antibody secretion d. helper T cell: kills pathogen-infected cells e. helper T cell: facilitates the differentiation of B cells.Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c. Cytotoxic T cells. d. Plasma cells. The role of the humoral immune response is to a. kill infected cellsb. fight pathogens found in body fluid c. prevent pathogens from entering the body d. initiate an inflammatory responsewhich of the following cells secrete cytokines that activate B cells, T cells, and macrophages? a. T helper cells b. regulatory T cells c. T cytotoxic cells d. dendritic cells
- When endogenous antigens "blend in"( i.e establish a presence on the cell membrane) between the Major Histocompatibility Complex Antigens, this signals a. Everything is normal b. Plasma cells will form c. A phagoctye unable to ingest more antigens. d. Helper T cell will secrete interleukin-2 e. A cell has been infectedwhat cell provides cell mediated immunity a. monocytes b. b lymphocte c. cytotoxic t cells d. neurophils16. Which cell type assist and interact with both humoral and cell-mediated immunity? A. Macrophages B. Cytotoxic T cells C. Memory T cells D. Helper T cells 17. Which of these cells are involved in cell-mediated immunity by destroying virally infected cells and rejecting organ transplants? A. Natural killer cells B. B cells C. Macrophages D. Cytotoxic T cells 18. Identify the junction between an axon and another cell. A. Synapse B. Presypnaptic cell C. Postsypnaptic cell D. Neurotransmitter