Which of the following statements about leukocytes is FALSE?
A) Leukocytes follow chemical signals to an infection site.
B) Leukocytes protect against foreign invaders.
C) Leukocytes engulf and destroy foreign invaders via leukopoiesis.
D) Leukocytes can travel through blood vessel walls into the surrounding tissues.
C
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How can you have a high peripheral white count and still be neutropenic?
What will be an ideal response?
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When used with a smooth bore nozzle, a nozzle control valve that causes turbulence when partially open which can affect the quality of a fire stream is the:
A. ball valve. B. slide valve. C. standpipe valve. D. rotary control valve.
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