Integumentary System Flashcards Chapter 7:3

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Questions and Answers

What are papillae?

What the top of the dermis is covered with

How do papillae provide a method of identification?

The pattern of the ridges is unique to each individual, fingerprints and footprints are used as methods of identification

What is the proper name for sweat glands?

Sudoriferous glands

Name the three substances found in perspiration.

<p>Water, salts, and some body wastes</p> Signup and view all the answers

What is the proper name for oil glands?

<p>Sebaceous glands</p> Signup and view all the answers

What are the functions of oil glands?

<p>Produce sebum</p> Signup and view all the answers

What is alopecia?

<p>Baldness, a permanent loss of hair on the scalp</p> Signup and view all the answers

List the seven functions of the skin.

<p>Protection, sensory perception, body temperature regulation, storage, absorption, excretion, production</p> Signup and view all the answers

What happens when the blood vessels dilate and how does it regulate temperature?

<p>Excess heat from the vessels can escape through the skin; keeps body cool</p> Signup and view all the answers

What happens when blood vessels constrict and how does this regulate temperature?

<p>Heat is retained in the body; keeps body warm</p> Signup and view all the answers

What is erythema?

<p>Reddish color of skin; caused by either burns or congestion of blood in the vessels</p> Signup and view all the answers

What is jaundice?

<p>A yellow discoloration of skin; from liver or gallbladder disease</p> Signup and view all the answers

What is cyanosis?

<p>A bluish discoloration of skin; caused by insufficient oxygen</p> Signup and view all the answers

What are vesicles?

<p>Blisters or sacs full of fluid</p> Signup and view all the answers

What are papules?

<p>Firm raised areas on the skin</p> Signup and view all the answers

What are crusts?

<p>Areas of dried pus and blood</p> Signup and view all the answers

What are pustules?

<p>Sacs filled with pus</p> Signup and view all the answers

What are macules?

<p>Flat spots on the skin</p> Signup and view all the answers

What are wheals?

<p>Itchy, elevated areas with irregular shapes</p> Signup and view all the answers

What is an ulcer?

<p>Deep loss of skin surface that may extend into the dermis</p> Signup and view all the answers

What is impetigo?

<p>Highly contagious skin infection caused by streptococci/staphylococci</p> Signup and view all the answers

What are verrucae?

<p>Warts</p> Signup and view all the answers

What is dermatitis?

<p>Inflammation of skin</p> Signup and view all the answers

What is acne vulgaris?

<p>Inflammation of sebaceous gland</p> Signup and view all the answers

What is athlete's foot?

<p>Contagious fungal infection that usually affects feet</p> Signup and view all the answers

What is psoriasis?

<p>Chronic, noncontagious skin disease with periods of exacerbations and remission</p> Signup and view all the answers

What is ringworm?

<p>Highly contagious fungal infection of the skin or scalp</p> Signup and view all the answers

What is basal cell carcinoma?

<p>Slow-growing destructive cancerous skin tumor</p> Signup and view all the answers

What is melanoma?

<p>Most dangerous type of skin cancer</p> Signup and view all the answers

Flashcards

Papillae

Structures covering the top of the dermis, creating unique fingerprint patterns.

Sudoriferous glands

The proper name for sweat glands.

Sebaceous glands

Glands that produce sebum to maintain skin moisture.

Alopecia

Baldness; permanent loss of hair on the scalp.

Signup and view all the flashcards

Skin's seven functions

Protection, sensory perception, temperature regulation, storage, absorption, excretion, and production.

Signup and view all the flashcards

Erythema

Reddish skin caused by burns or blood congestion.

Signup and view all the flashcards

Jaundice

Yellow skin discoloration due to liver or gallbladder problems.

Signup and view all the flashcards

Cyanosis

Bluish skin indicating insufficient oxygen levels.

Signup and view all the flashcards

Vesicles

Blisters or fluid-filled sacs on the skin.

Signup and view all the flashcards

Papules

Firm, raised areas on the skin.

Signup and view all the flashcards

Crusts

Dried pus and blood on the skin surface.

Signup and view all the flashcards

Pustules

Sacs filled with pus.

Signup and view all the flashcards

Macules

Flat spots on the skin.

Signup and view all the flashcards

Wheals

Itchy, elevated areas with irregular shapes.

Signup and view all the flashcards

Ulcer

Deep loss of skin surface potentially extending into the dermis.

Signup and view all the flashcards

Impetigo

Highly contagious skin infection caused by bacteria.

Signup and view all the flashcards

Verrucae

Warts; benign growths on the skin.

Signup and view all the flashcards

Dermatitis

Inflammation of the skin.

Signup and view all the flashcards

Acne vulgaris

Inflammation of the sebaceous glands.

Signup and view all the flashcards

Athlete's foot

Contagious fungal infection primarily affecting the feet.

Signup and view all the flashcards

Psoriasis

Chronic skin disease with flare-ups and remission.

Signup and view all the flashcards

Ringworm

Highly contagious fungal infection of skin or scalp.

Signup and view all the flashcards

Basal Cell Carcinoma

Slow-growing, destructive cancerous skin tumor.

Signup and view all the flashcards

Melanoma

Most dangerous type of skin cancer.

Signup and view all the flashcards

Study Notes

Papillae and Identification

  • Papillae are structures covering the top of the dermis.
  • Unique patterns of papillae create individual fingerprints and footprints, aiding in personal identification.

Sweat and Oil Glands

  • Proper name for sweat glands is sudoriferous glands.
  • Perspiration contains water, salts, and body waste.
  • Oil glands are known as sebaceous glands, producing sebum to maintain skin moisture.

Hair and Skin Functions

  • Alopecia refers to baldness and signifies a permanent loss of hair on the scalp.
  • Skin serves seven essential functions: protection, sensory perception, temperature regulation, storage, absorption, excretion, and production.

Temperature Regulation

  • When blood vessels dilate, excess body heat escapes through the skin, cooling the body.
  • Blood vessel constriction retains heat, helping maintain body warmth.

Skin Conditions and Disorders

  • Erythema results in reddish skin, typically caused by burns or blood congestion.
  • Jaundice manifests as yellow skin discoloration due to liver or gallbladder issues.
  • Cyanosis presents as bluish skin, indicating insufficient oxygen levels.

Skin Lesions and their Types

  • Vesicles are blisters or fluid-filled sacs.
  • Papules are firm, raised areas on the skin.
  • Crusts are dried pus and blood on the skin surface.
  • Pustules are sacs filled with pus.
  • Macules are flat spots on the skin.
  • Wheals are itchy, elevated areas with irregular shapes.
  • An ulcer depicts a deep loss of skin surface potentially extending into the dermis.

Common Skin Infections and Conditions

  • Impetigo is a highly contagious skin infection caused by streptococci or staphylococci bacteria.
  • Verrucae refer to warts, benign growths on the skin.
  • Dermatitis denotes inflammation of the skin.
  • Acne vulgaris is characterized by inflammation of the sebaceous glands.
  • Athlete's foot is a contagious fungal infection primarily affecting the feet.
  • Psoriasis is a chronic skin disease exhibiting periods of flare-ups and remission.
  • Ringworm is a highly contagious fungal infection affecting the skin or scalp.

Skin Cancers

  • Basal cell carcinoma is a slow-growing, destructive cancerous skin tumor.
  • Melanoma is recognized as the most dangerous type of skin cancer.

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