BIO 242 EXAM 3 QUESTIONS AND ANSWERS

BIO 242 EXAM 3 QUESTIONS AND ANSWERS
Question : the first line of defense is a surface protection
composed of ____ and ____ barriers that keep microbes from
penetrating sterile body compartments
CORRECT ANSWER: anatomical, physiological
Question : the second line of defense is a ___ and ___ system
that comes immediately into play if infectious agents make it
past the surface defenses
CORRECT ANSWER: cellular, chemical
Question : the third line of defense include ____ that must be
developed uniquely for each microbe through the action of
specialized white blood cells
CORRECT ANSWER: specific host defenses
Question : the first line of defense includes
CORRECT ANSWER: physical and chemical barriers

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