NR 283 .
Chamberlain College Nursing
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NR 283 STUDY GUIDE EXAM 2.
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NR 283 STUDY GUIDE EXAM 2. 
Chapter 8 
 
Functions of the Skin: 
•	Acts as the first line of defense 
•	Prevents excess fluid loss 
•	Controls body temperature 
•	Active in sensory perception 
•	Synthesizes vitamin D 
 
Pruritus: 
•	Itching 
o	Allergic responses, Type I sensitivity 
o	Chemical irritation caused by insect bites 
o	Parasite infestations 
 
Pruritus Causes: 
•	Release of histamine in a hypersensitivity response 
 
Effects of Pruritus: 
•	Redness and itching – infl...
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