Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/38

Click to flip

38 Cards in this Set

  • Front
  • Back
the integumentary system is compsed of?
skin, hair and nails
what role does skin play a part of?
homeostasis
what does the skin do?
barrier to microorganisms
regulate body temp
mantain fluid and elytrolyte balance
what are the three distinct layers of skin>?
fat, dermis, epidermis
what layer of skin is the innermost
fat
this layer of skin lies over muscle and bone, act as heat insulators for the body
fat cells
this absorbs shock and protects against mechanical injury by padding internal structures
fat layer
a layer of connective tissue that contains no cells is this?
dermis
the dermis is composed of _____ and ______ that are interwoven to give the skin flexibility and mechanical strength
collagen and elastic fibers
____ increases in areas of tissue injury and helps form scar tissue
Collagen
fibroblasts also produce this______ a lubricating materal composed of protein and sugar groups the contribute to mormal suppleness and turgor
Ground substance
elasticity of the skin depends on both the ______ and _________ of the __________
quality , quality, elastic fibers
the major component of the elastic fiber is?
elastin
This layer of skin houses a network of capillaries and lymph vessels where the exchange of oxygen and heat occur
dermis
This layer of skin is rich in sensory nerves that transmit the sensation of touch, pressure, temperature, pain and itch
dermis
The outter most layer of the skin is
epidermis
the protective barrier between the body and noxious stimuli in the environment is this layer
epidermis
hair follicles are located in this layer
dermal
what is the lunula?
the white shaped portion of the nial at the lower end of the nail plate
Is nail growth cyclic or continuous?
continuous
Is hair growth cyclic or continuous
cyclic
sebaceous glands are located where?
entire skin surface, except palms of the hand and soles of the feet
sebaceous glands produce what?
sebum
what is sebum and what does it do?
bacteriostatic, fat containing substance.
It lubes the skin and reduces water loss from skin surfaces
what are the 2 types of sweat glands
eccrine and apocrine
these glands are odorless, colorless, and are the single most important factor in the regulation of body temp
eccrine sweat glands
these glands are in direct contact with the hair follicle
apocrine sweat gland
found primarily in the axillae, perineum nipple areolae. the combination of this secretion with bacteria causes body odor
apocrine sweat gland
What is the single most important factor leading to degeneration of the skin?
Sun exposure
what otc meds can cause skin reactions
laxatives, antacids, cold remedies
what type of poor nutrition can delay wound healing?
protein deficiencies, vitamin defic, obesity
What are Primary lesions?
initial reaction to an underlying problem that alters one of the components of the skin
the nurse assesses each lesion for the floowing characteristics associated with skin cancer
ABCD
ASYMMETRY OF SHAPE
BORDER
COLOR
DIAMETER GREATER THEN FIVE MM
freckles, flat moles
macules
elevated, marble like lesions more then 1cm wide and deep
nodules
you notice a patients skin is shiny taut and paler then univoled skin. Why?
edema
what does circumscribed mean?
well defined with sharp borders
how to test for superficial fungal infections
scraped from skin and into petri dish