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Anatomy A. Chapter 4 Week 3. Agenda 12/10. Research & Report Presentations Medical Terminology Quiz Tuesday. Agenda 12/11. Research & Report Presentations Medical Terminology Quiz Chapter 4 Quiz 2 Friday 12/14 Chapter 4 TEST Wednesday 12/19 . Warm-up 12/12.

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anatomy a

Anatomy A

Chapter 4

Week 3

agenda 12 10
Agenda 12/10
  • Research & Report Presentations
  • Medical Terminology
    • Quiz Tuesday
agenda 12 11
Agenda 12/11
  • Research & Report Presentations
  • Medical Terminology Quiz
  • Chapter 4 Quiz 2 Friday 12/14
  • Chapter 4 TEST Wednesday 12/19
warm up 12 12
Warm-up 12/12
  • Using your knowledge about the Integumentary system and skin structure, how would YOU classify burns into 3 different classes? (First, Second & Third Degree)
  • As a table group, write a description for each burn class.
    • What layers involved?
    • What kind of damage?
agenda 12 12
Agenda 12/12
  • Finish Research & Report Presentations (LAST CHANCE)
  • Notes: Homeostatic Imbalances of the Skin
    • What are the differences between 1st , 2nd, and 3rd degree burns?
    • What is the importance of the “Rule of Nines”?
    • What are the basic characteristics of basal cell carcinoma, squamous cell carcinoma and malignant melanoma?
  • Homework p.16 in packet
  • Chapter 4 Quiz 2 Friday 12/14
  • Chapter 4 TEST Wednesday 12/19
c skin homeostatic imbalances
C. Skin Homeostatic Imbalances
  • Infections
    • _________________________
      • Caused by fungal infection
    • ___________________
      • Caused by bacterial infection
    • __________
      • Caused by virus

Boils and Carbuncles

Athlete’s Foot (tineapedis)

Cold sores

athletes foot
Athletes Foot
  • Fungal Infection
boils
Boils
  • Inflammation of hair follicles/sebaceous glands—Staph Infection (Carbuncles)
cold sore canker sore
Cold Sore/Canker Sore

Canker Sores: Caused by break in the mucous membrane

Cold Sores: Active Herpes Infection

c skin homeostatic imbalances1
C. Skin Homeostatic Imbalances
  • Infections and allergies
    • _________________
      • Exposures cause allergic reaction
    • _________
      • Caused by bacterial infection
    • _________
      • Cause is unknown
      • Triggered by trauma, infection, stress

Contact dermatitis

Impetigo

Psoriasis

dermititis
Dermititis
  • Poison Oak: Allergic Response to Chemical Defense of Plant
dermititis1
Dermititis
  • Poison Ivy: Allergic Response to Chemical Defense of Plant
impetigo
Impetigo
  • Staph Infection (Blister Form)
psoriasis
Psoriasis
  • Scaled epidermis, increased rates of mitosis, highly keratinized.
c skin homeostatic imbalances3
C. Skin Homeostatic Imbalances
  • Burns
    • Tissue damage and cell death caused by ________________________________
    • Associated dangers
      • ____________
      • ____________________
      • ________________

Heat, electricity, UV radiation, or chemicals

Dehydration

Electrolyte imbalance

Circulatory shock

3 burns
3. Burns

Rule of Nines

  • ____________ - Way to determine the extent of burns
    • Body is divided into 11 areas for quick estimation
    • Each area represents about 9% of total body surface area
3 burns1
3. Burns
  • Severity of Burns
    • First-degree burns
      • _________________________
      • _____________________
    • Second-degree burns
      • __________________________________
      • _____________________
    • Third-degree burns
      • _____________________
      • _______________________

Only epidermis is damaged

Skin is red and swollen

Epidermis and upper dermis are damaged

Skin is red with blisters

Destroys entire skin layer

Burn is gray-white or black

severity of burns what degree
Severity of Burns What Degree?

Third Degree

First Degree

Second Degree

3 burns2
3. Burns
  • Critical Burns

Burns are considered critical if

    • ________ of body has second-degree burns
    • ________ of the body has third-degree burns
    • There are third-degree burns of the face, hands, or feet

Over 25%

Over 10%

warm up 12 13
Warm-up 12/13
  • Fill in the Following chart as best you can.
agenda 12 13
Agenda 12/13
  • Notes: Homeostatic Imbalances of the Skin
    • What is the importance of the “Rule of Nines”?
    • What are the differences between 1st , 2nd, and 3rd degree burns?
    • What are the basic characteristics of basal cell carcinoma, squamous cell carcinoma and malignant melanoma?
  • Homework p.16 in packet
  • Chapter 4 Quiz 2 Friday 12/14
  • Chapter 4 TEST Wednesday 12/19
d skin cancer
D. Skin Cancer
    • abnormal cell mass, the most common type of cancer
  • Classified two ways
    • _______
      • Does not spread (encapsulated)
    • __________
      • Metastasized (moves) to other parts of the body

Benign

Malignant

d skin cancer1
D. Skin Cancer
  • Skin Cancer Types
    • ___________________
      • Least malignant
      • Most common type
      • Arises from stratum basale

Basal cell carcinoma

skin cancer types
Skin Cancer Types

Figure 4.12a

2 skin cancer types
2. Skin Cancer Types

Squamous cell carcinoma

  • ______________________
    • Metastasizes to lymph nodes if not removed
    • Early removal allows a good chance of cure
    • Believed to be sun-induced
    • Arises from stratum spinosum
skin cancer types1
Skin Cancer Types

Figure 4.12b

2 skin cancer types1
2. Skin Cancer Types
  • ___________________
    • Most deadly of skin cancers
    • Cancer of melanocytes
    • Metastasizes rapidly to lymph and blood vessels
    • Detection uses ABCD rule

Malignant melanoma

skin cancer types2
Skin Cancer Types

Figure 4.12c

3 abcd rule
3. ABCD Rule
  • A = Asymmetry
    • Two sides of pigmented mole do not match
  • B = Border irregularity
    • Borders of mole are not smooth
  • C = Color
    • Different colors in pigmented area
  • D = Diameter
    • Spot is larger then 6 mm in diameter
is it a mole or melanoma
Is it a Mole or Melanoma?
  • http://youtu.be/CEZYXcrvvAA
quiz tomorrow
Quiz Tomorrow!
  • Complete p. 16
  • Review learning objectives 1 & 2
  • Complete Discovery Lab
warm up 12 14
Warm-up 12/14

What layer of the skin is this a description of?

  • Translucent cells that contain keratin that are dead by the time they reach their resting place.
    • Stratum corneum and Stratum lucidum
  • Dermis layer responsible for finger prints,
    • Papillary layer
  • Epidermal layer involved with cell division; most inferior.
    • Stratum basale
  • Site of melanin formation
    • Stratum basale
agenda 12 14
Agenda 12/14
  • Chapter 4 Quiz 2
  • Developmental Aspects of Skin and Body Membranes
  • Complete p. 17
  • Chapter 4 TEST Wednesday 12/19
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