Answers GV 2018 - P.E. Health Science Concepts - PE361 Common Diseases and Disorders of the Immune System — Unit testQuestion 9

9

QuizMultiple Choice

Common Diseases and Disorders of the Immune System — Unit test

Question 9 of 25 • *GV 2018 - P.E. Health Science Concepts - PE361

Why are lymph nodes considered secondary lymphoid tissue?

Answer

A

Lymph nodes produce white blood cells, but they do not use white blood cells to fight infection.

B

Lymph nodes use white blood cells to fight infection, but they do not produce white blood cells.

C

Lymph nodes are the second line of defense against infection.

D

Lymph nodes are produced by the primary lymphoid tissues.

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