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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Mesenchymal cells are most commonly found in ________ connective tissue.
A) areolar B) dense regular C) embryonic D) reticular
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.
Skeletal system functions in all of the following EXCEPTÂ ________.
A. protection for spinal cord B. formation of blood formed elements C. production of vitamins D. attachment sites for skeletal muscles