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Summary: Chapter 14
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Nonspecific chemical defenses include
All of the choices are correct (Lysozyme, lactic acid and electrolytes of sweat, skins acidic pH and fatty acids, stomach hydrochloric acid) -
The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is
Lysozyme -
The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the
Respiratory tract -
The body region is protected by fatty acids, acidic pH, lactic acid and a tough cell barrier with its own normal biota
Skin -
Keratin is an important aspect of nonspecific defense because
It creates a physical barrier against pathogens -
A properly functioning immune system is responsible for
All of the choices are correct ( surveillance of the body, recognition/destruction of foreign material in the body) -
Immune system cells differentiate between self and foreign cells by there
Markers -
Which of the following fluid compartments is NOT a partner in immune function
intracellular fluid -
The blood cells that function in allergic reactions and inflammation, contain peroxidase and lysozyme and particularly target parasitic worms and fungi are
eosinophils -
Which WBC comprise 20% to 30% of the circulating WBCs and are the cells that function in the body's immune system
Lymphocytes
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