NR511 Midterm Study Guide
Chamberlian School of Nursing
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Exam (elaborations) NR511 MIDTERM STUDY GUIDE
- Exam (elaborations) • 66 pages • 2021
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1. Actinic keratosis most common precancerous skin lesion in light skinned patients, more common in patients 
50 years or older (most common in Celtic, Irish, and Scottish descent) 
Found in sun exposed areas 
Caused by skin cells that accumulate from repeated sun exposure 
Pathophys: continued sun damage from UV radiation damages the DNA in epithelial cells 
Primary lesions: macules or plaques, poorly circumscribed 
Secondary lesion: erythematous and scaly 
(May feel like sandpaper when touched...
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