LAB MANUAL:MCKINLEY'S ANATOMY & PHYSIOL
2nd Edition
ISBN: 9781260484991
Author: McKinley
Publisher: MCG
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Chapter 22, Problem 3DYKB
_____ 3. This cell is activated by binding antigen, and then engulfing and presenting the antigen with MHC class II molecules to helper T-lymphocytes. The helper T-lymphocytes release cytokines as the second form of stimulation.
- a. NK (natural killer) cell
- b. macrophage
- c. B-lymphocyte
- d. cytotoxic T-lymphocyte
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Activated helper T Cells participate in which of the following processes?
a.) Differentiation of memory B cells
b.) Activation of cytotoxic T Cells
c.) Facilitation of macrophage phagocytosis
d.) All of above
match the cytokine with its description. 1.Interleukin-1 2.Interleukin-2 3.Interleukin-12 a. Stimulates formation of TH1 helper T lymphocytes b. Stimulates ACTH secretion c.Stimulates proliferation of cytotoxic T lymphocytes d.Stimulates proliferation of B lymphocytes
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.
Chapter 22 Solutions
LAB MANUAL:MCKINLEY'S ANATOMY & PHYSIOL
Ch. 22.1 - Which pathogen must enter a cell to replicate?...Ch. 22.2 - Prob. 2WDYLCh. 22.2 - What is the definition of a cytokine? How are...Ch. 22.2 - Prob. 4WDYLCh. 22.3 - Prob. 5WDYLCh. 22.3 - Prob. 6WDYLCh. 22.3 - How do NK cells accomplish the task of eliminating...Ch. 22.3 - Prob. 8WDYLCh. 22.3 - Prob. 9WDYLCh. 22.3 - Prob. 10WDYL
Ch. 22.3 - Prob. 11WDYLCh. 22.3 - Prob. 12WDYLCh. 22.4 - Prob. 13WDYLCh. 22.4 - What distinguishes a hapten from an antigen?Ch. 22.4 - Prob. 15WDYLCh. 22.4 - Which type of MHC class molecules is found on all...Ch. 22.4 - Prob. 17WDYLCh. 22.5 - Prob. 18WDYLCh. 22.5 - Prob. 19WDYLCh. 22.5 - Prob. 20WDYLCh. 22.6 - Prob. 21WDYLCh. 22.6 - How do cytokines released by helper T-lymphocytes...Ch. 22.6 - Prob. 23WDYLCh. 22.6 - Prob. 24WDYLCh. 22.6 - Prob. 25WDYLCh. 22.7 - Prob. 26WDYLCh. 22.7 - Prob. 27WDYLCh. 22.7 - Prob. 28WDYLCh. 22.8 - Prob. 29WDYLCh. 22.8 - What are the six major functions of antibodies?...Ch. 22.8 - Which subclass of antibodies is most prevalent?...Ch. 22.9 - Prob. 32WDYLCh. 22.9 - Prob. 33WDYLCh. 22.9 - Prob. 34WDYLCh. 22 - _____ 1. All of the following are phagocytic cells...Ch. 22 - _____ 2. This cell releases cytokines to activate...Ch. 22 - _____ 3. This cell is activated by binding...Ch. 22 - _____ 4. These two cells destroy an infected cell...Ch. 22 - _____ 5. All of the following are functions of...Ch. 22 - _____ 6. The four characteristics of adaptive...Ch. 22 - _____ 7. During which process does additional...Ch. 22 - _____ 8. This chemical is released by...Ch. 22 - _____ 9. The correct sequence of the major events...Ch. 22 - _____ 10. Two of the major actions of complement...Ch. 22 - Compare the general characteristics of innate...Ch. 22 - Define the inflammatory response, and explain its...Ch. 22 - Describe an antigen.Ch. 22 - Describe class I and class II MHC molecules, and...Ch. 22 - Prob. 15DYKBCh. 22 - Prob. 16DYKBCh. 22 - Explain the general function of cytotoxic...Ch. 22 - Describe both the function of antibodies and...Ch. 22 - There are two branches of adaptive immunity:...Ch. 22 - Prob. 20DYKBCh. 22 - Prob. 1CALCh. 22 - Prob. 2CALCh. 22 - Prob. 3CALCh. 22 - Prob. 4CALCh. 22 - Prob. 5CALCh. 22 - Prob. 1CSLCh. 22 - Prob. 2CSLCh. 22 - Prob. 3CSL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- in antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign antigen-MHC complex is displayed on the cell surfaces. b. activated T helper cells interact with the B cells. c. the B cells are cloned. D. antibodies combine with antigens on the pathogen surface.arrow_forwardof the choices, which cells stimulate directly B cells to divide and produce antibodies? a. mast cells b. marcophages c. Nk cells d. TH cellsarrow_forwardWhich of the following is a characteristic of a cytotoxic T cell? Question 7 options: A) They originate in bone marrow. B) They have antibodies on their surfaces. C) They are responsible for the memory response. D) They recognize antigens associated with MHC I.arrow_forward
- Which of the following is part of the second line of defense against pathogens?a. skin b. mucus membranesc. lysozyme in tears d. phagocytes Which of the following does NOT have MHC class II molecules on the surface of their cell membranes? a. Macrophages.b. Dendritic cells.c. B cells.d. Helper T cells.arrow_forwardWhich of these statements about gamma interferon is false? a. It is a polypeptide autocrine regulator. b. It can be produced in response to viral infections. c. It stimulates the immune system to attack infected cells and tumors. d.It is produced by almost all cells in the body.arrow_forwardIn a normal individual, a T cell that interacts with a self-antigen in the thymus will more than likely undergo what process (which answer is best)? A) apoptosis B) release granules C) activation D) extravasation E) anergyarrow_forward
- A second exposure to a given foreign antigen elicits a rapid and pronounced immune response becausea. passive immunity occurs after the first exposure.b. some B cells differentiate into memory B cells after the first exposure.c. a greater number of antigen-presenting cells are available due to the earlier exposure.d. the array of class II MHC proteins expressed by antigen-presenting cells is permanently altered by the first exposure.e. Both a and b are correct.arrow_forwardDiGeorge syndrome is a congenital disease that results in a poorly developed, nonfunctioning thymus gland. Which of the following would be a likely problem experienced by a baby with DiGeorge syndrome? a. lack of B cells b. lack of antibodies c. lack of T cells d. lack of macrophagesarrow_forwardWhich innate immune system component uses MHC class I molecules directly in its defense strategy? a. macrophages b. neutrophils c. NK cells d. interferonarrow_forward
- Which of these statements about complement proteins C3a and C5a is false?a. They are released during the complement fixation process.b. They stimulate chemotaxis of phagocytic cells.c. They promote the activity of phagocytic cells.d.They produce pores in the victim plasma membrane.arrow_forwardExplain why each choice (a-d) is correct or incorrect. Which of the following examples below describes an autoimmune disease? a. Infection and death of T helper cells by a virus, resulting in a loss of adaptive immunity b. Release of bacterial endotoxins that block acetylcholine release result in muscle paralysis. c. Antibody binding to acetylcholine receptors of the motor end plate resulting in muscle weakness. d. Uncontrolled cell division resulting in cell surface abnormalities recognized by NK cells.arrow_forwardA number of minor cancerous cells and infected viruses, such as Epstein Barr (EBV), are able to go undetected by cytotoxic T cell degradation by what possible mechanism? a. the production of normal class I MHC molecule b. helper T cell activation c. the deactivation of the complement system d. tumor antigen expression e. the production of the class II major histocompatability (MHC) moledulearrow_forward
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