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Anatomy

T/F

QuestionAnswer
Lymph originates in blood capillaries that pick up tissue fluid. False
Red bone marrow is the point of origin of all immune cells of the lympathic system. True
Mucous membranes prevent most pathogens from entering the body because of the stickiness of the mucus and the presence of lysozymes. True
Interferons are secreted in response to bacterial infections. False
Pus is made of dead neutrophils, macrophages, and other tissue debris from a damaged tissue. True
Pyrogens act by increasing the set point for body temperature in the thalamus. False
The antigenicty of a molecule is due to specific regions of it called haptens. False
Interleukins are chemical signals by which immune cells communicate with each other. True
Helper T cells respond only to epitopes attached to MHC protein. True
Cytotoxic T cells respond only to antigens bound to MHC-I proteins. True
Clonal selection of T cells happen in thymus. False
Naive T cells can synthesize antibodies. False
Humoral immunity takes care of intracellular viruses, whereas cellular immunity takes care of extracellular viruses. False
Memory B cells are found circulating mainly in the lymph. False
Some antibodies against foreign antigens an react to similar self-antigens causing an autoimmune disease. True
Created by: Lightskynight
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