Which of the following cytokines is mismatched?
A. perforin - makes a hole in target cell membranes
B. alpha interferon - prevents viral replication
C. lymphotoxin - costimulator of T cells
D. interleukin 4 - plays a role in allergic reactions
E. TNF - activates macrophages and promotes fever
C
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The diaphragm moves during the respiration process
Indicate whether the statement is true or false
Lysozyme is
A. an enzyme found in body fluids that destroys certain bacteria. B. a type of antibody that attracts a phagocyte. C. an antigen. D. a bacteria. E. a cytokine produced by T cells.
Mesenchymal cells are most commonly found in ________ connective tissue.
A) areolar B) dense regular C) embryonic D) reticular
Skeletal system functions in all of the following EXCEPT ________.
A. protection for spinal cord B. formation of blood formed elements C. production of vitamins D. attachment sites for skeletal muscles