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ashwin17 ashwin17
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6 years ago
A nurse in a well-child clinic is teaching parents about their child's immune system. Which statement, made by the nurse, is correct?
 
  a. The immune system distinguishes and actively protects the body's own cells from foreign substances.
  b. The immune system is fully developed by 1 year of age.
  c. The immune system protects the child against communicable diseases in the first 6 years of life.
  d. The immune system responds to an offending agent by producing antigens.
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veintidosndsveintidosnds
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6 years ago
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ashwin17 Author
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6 years ago
this is exactly what I needed
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Yesterday
Thanks
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2 hours ago
Brilliant
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