(Quiz 3) CH 3(2) - The Integumentary System

Created by markw23 

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17 terms

Name And Describe The Four Components Of Nails

Free Edge - White color beyond end of finger or toe

Body - Pink colored main part of nail

Lunula - White half-moon shaped area at proximal end

Root - Portion embedded in skin where mitosis takes place

Why Are Patients Not Allowed To Wear Nail Polish During Surgery

So blood oxygen levels can be monitored

What Is The Difference Between A Blackhead And Acne

A blackhead is an accumulation of oil
Acne is caused when microorganisms invade the oil

What Causes Stretch Marks (Striae Gravidarum)

Collagen tears in the skin due to obesity or pregnancy

Describe Psoriasis

Skin cells come to the surface daily causing dead skin cells to build up on the surface. Psoriasis looks scaly and flaky

Describe Lupus And Its Symptoms

Patient usually has characteristic "Butterfly Rash" across bridge of nose

Symptoms include arthritic-like pain, rash, fatigue, light sensitivity

Describe Vitiligo

Pigment disorder that causes white patches to appear on the skin due to inability for that patch to produce melanin

Differentiate Between Albinism And Vitiligo

In albinism, the ability to produce ANY melanin is missing. Whereas in vitiligo melanin is not produced in only certain areas (patches) of the skin

Describe Moles

Melanocytes growing together in clusters

Describe Birthmarks

Abnormal buildup of blood vessels at the skin surface

What Is The Difference Between A Corn And A Callus

Corn: thickening of toe skin in a circular shape

Callus: thickening of the skin on the palms and soles that is orange colored and spread out over a large area

Describe Warts

Uncontrolled growth of epithelial cells

Caused by a virus (stays with person forever)

Describe Impetigo

Looks like a blister at first, then forms encrusted lesions

Caused by bacteria. Treatment is antibiotics

Describe Ringworm

Red, scaly oval patches (spirals) (Athlete's Foot)

Caused by fungus. Treatment is topical antifungal

Describe Cause And Prevention Of Decubitus Ulcers (Bedsores)

Caused by continuous pressure to a specific area. Blood does not get to the tissue so it dies and becomes infected with bacteria that can eat the tissue down to the bone.

Prevention is rotating the body

Describe Damage and Visual Description Of The Three Major Types Of Burns

First Degree:
- Part of the epidermis is burned
- Redness, mild pain, swelling

Second Degree:
- Entire epidermis and part of the dermis is damaged
- Blisters, extreme pain

Third Degree:
- All layers of the skin are destroyed
- Scarring, no pain, charred

In The Three Major Types Of Skin Cancer Name:
The Layer Of Cells Affected
What It Looks Like
Life Expectancy

Basal Cell Carcinoma
- Stratum Basale
- Pale shiny bump on skin
- Good

Squamous Cell Carcinoma
- Stratum Spinosum
- Scaly, then ulcer-like
- Good

Malignant Melanoma
- Melanocytes
- Dark color
- Poor

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