Chapt 5 Flashcards
(38 cards)
The skin (organ) is approximately what percent of total body weight?
~16%
The primary function of the Epidermis is to: (2)
Prevent infection and seal in moisture.
The Dermis is composed entirely of _____ cells.
living
Tough fibers in the Dermis help to give the skin: (2)
Elasticity and strength.
What is the most important function of the Dermis?
Perspiration
The Hypodermis (subcutaneous) is primarily composed of what?
Adipose tissue (fat)
What is the main function of the Hypodermis? (3)
Generate heat, provide insulation, shock absorption.
What are some causes of generalized itching? (5)
allergic reaction, dry skin, aging, pregnancy, uremia
With skin assessment, it’s important to know past history such as… (3)
skin sensitivities, allergic skin disorders, prior lesions.
What is an Intertriginous area?
where two skin areas touch/rub together
For General Assessment Technique, examination w/ patient sitting includes: (6)
head & neck (hair too), forearms & hands, fingernails, chest
For General Assessment Technique, examination w/ patient prone includes: (2)
checking the back & buttocks (including thigh region)
When examining skin coloration, watch for: (5)
pigmentation differences, redness, pallor, cyanosis, yellowing
Oxyhemoglobin is best assessed where?
Where the horny layer (of epidermis) is thin. (I.e. mouth, palpebral conjunctiva)
How do you assess Oxyhemoglobin in the Palpebral Conjunctiva?
Pull eyelids down and examine mucous membrane for red appearance.
Pallor commonly indicates what? (2)
Anemia or decreased blood flow.
Where is Central Cyanosis best identified? (3)
Lips, oral mucosa, tongue
What are the primary causes of Central Cyanosis? (3)
Advanced lung disease, congenital heart disease, & hemoglobinopathies.
3 causes Central cyanosis
COPD & Pulmonary Edema, hypoxia
Along w/ liver disease, Jaundice can also indicate what?
Excessive hemolysis.
Skin palpation is used to examine what? (5)
temperature, moisture, texture, turgor, edema
To what condition can dryness of skin be directly related?
Hypothyroidism.
What is Asteatosis and in what population is it commonly seen?
Dry skin, commonly seen w/ elderly.
Hypothyroidism can present with a combo of these signs(2)
Dry skin that is abnormally cool/cold to touch.
