What is the correct function of the lymphatic capillaries? production of pre-B and pre-T cells maturation of T cells removes excess fluids from tissues absorption of fats from the small intestine filters blood and is the site of lymphocyte activation filters lymph and is the site of lymphocyte activation

What is the correct function of the lymphatic capillaries? production of pre-B and pre-T cells maturation of T cells removes excess fluids from tissues absorption of fats from the small intestine filters blood and is the site of lymphocyte activation filters lymph and is the site of lymphocyte activation

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter9: Immunity And Disease

Section: Chapter Questions

Problem 3SQ

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Distinguish between a. neutrophil and macrophage b. cytotoxic T cell and natural killer cell c. effector cell and memory cell d. antigen and antibody
Figure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8+. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.
Match the immunity concepts: __________ inflammation __________ antibody secretion __________ phagocyte __________ immunological memory __________ vaccination __________ allergy a. neutrophil b. plasma cell c. nonspecific response d. purposely causing memory cell production e. basis of secondary immune response f. nonprotective immune response
Choose 1 or more than 1 CD8 T lymphocytes: are generated from lymphoid progenitors in secondary lymphoid organs. help B lymphocytes to differentiate into plasma cells. recognize antigens through specific cell surface receptors. can be helped by CD4+ T lymphocytes to differentiate into cytotoxic T lymphocytes. are involved in the defense against intracellular pathogens.
Which of the following is also called a CD8 or killer T cell? Macrophage B lymphocyte helper T lymphocyte cytotoxic T lymphocyte
What happens when a helper T cell is activated? Multiple Choice Two populations of cells are formed: memory T cells and effector TH cells, the effector TH cells play a role in activating B cells. Two populations of cells are formed: effector TH cells and effector TC cells; these work together to activate B cells and macrophages. Activated TH cells produce cytokines that stimulate dendritic cells, converting them into antigen-presenting cells. Two populations of cells are formed: helper T cells and cytotoxic T cells; the TH cells activate B cells and the TC cells target virus-infected cells. Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells produce a variety of
Which is/are false about innate and specific immunity? B cells are part of the innate immune system T cells activate B cells and cause them to undergo clonal expansion Langerhans cells are specialized to detect pathogens in the skin Eosinophils are part of the innate immune system
Which is not an effector T lymphocyte? cytotoxic T lymphocyte memory T lymphocyte helper T lymphocyte
Which of the following shows the correct order of events in the life of a lymphocyte Activation, Effector response, formation Formation, Activation, Effector response Effector response, Formation, Activation Formation, Effector Response, Activation
A 40- year-old patient after stress reaction has accidental involution of tymus and decreasing number of lymphocytes in peripheral blood. After their maturation in the thymus and release into the circulation, T- lymphocytes migrate preferentially to which of the following sites? Paracortex of lymph nodes Red pulp of the spleen O Cortical lymphoid nodules of lymph nodes Hilus of lymph nodes O Medullary cords of lymph nodes
which events occurs at A, B, and C ? choose the answers above: - cytokines are released to promote blood flow and cell movemnt - macrophages and neutrophils respond - T cell receptors bind to MHC-peptide complexes - secreted antibodies bind to soluble antigens - pamps bind prrs -cytotoxic T cells induce apopotosis of infected cells
Match the type of cell with its function. Natural killer (NK) cells Macrophages Interferons Helper T cells Choose... Choose... Attract macrophages and natural killer (NK) cells and warn other cells to protect themselves Consume pathogens and clean up debris Signals the T cells and B cells to start dividing Randomly searches for cells that are cancerous

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	production of pre-B and pre-T cells
	maturation of T cells
	removes excess fluids from tissues
	absorption of fats from the small intestine
	filters blood and is the site of lymphocyte activation
	filters lymph and is the site of lymphocyte activation