Chapter 4; Skin _ Body Membranes Review Packet_ Answers by malj

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									  Chapter 4; Skin & Body Membranes Review Packet: Answers

  1.
  Membrane                  Tissue Type            Common                  Functions
                            (epithel/connective)   Locations
  Mucous                    Epithelial underlaid   Respiratory,            Protection,
                            w/connective           digestive, urinary,     lubrication,
                            -Lamina propia         reproductive            secretion,
                            (CT)                                           absorption
  Serous                    Simple squamous        -internal ventral       Produce lubricating
                            epithelial tissue      cavities                fluid to reduce
                            Fine connective        -covers organs          friction
  Cutaneous (skin)          Epidermis = ET         Body exterior           Protects deeper
                            Dermis = CT                                    body tissues
  Synovial                  All connective         Lines joint cavities    Produce lubrication
                            tissue                                         Decrease friction

  2




Visceral Pericardium                                                           Parietal Pleura
(inner)                                                                        (outer)




                        Parietal Pericardium
                        (outer)                                           Visceral Pleura
                                                                          (inner)




                                                                           Synovial membrane
  .   Mucosae of                                                           lining joint cavity
      respiratory tract




      Mucosae of
      digestive tract
                              Hair Shaft




                              Stratum Corneum
Epidermis
                              Stratum Basale


                              Sebaceous Gland


                              Arrector Pili Muscle
Dermis
                              Nerve Fibers

                              Hair Follicles
                              Papilla of hair bulb

Subcutaneous                  Fat or Adipose
Tissue                        Tissue
(hypodermis)

               Sweat Glands
4. 1. As basal cells continue to divide, more superficial cells are pushed father from the
nutrient supply diffusing from dermis
4. 2. Water-proofing substances (keratin & others) made by keratinocytes effectively
limit nutrient supply into cells

5.
       1. Heat
       2. Subcutaneous
       3. Keratin
       4. Vitamin D
       5. A freckle
       5. Elasticity
       6. Oxygen (blood flow)
       7. cyanosis

6.     1. Stratum corneum or stratum lucidum
       2. stratum corneum or stratum lucidum
       3. papillary layer
       4. dermis as a whole
       5. stratum basale
       6. stratum corneum
       7. dermis as a whole
       8. stratum basale
       9. epidermis as a whole

7.     1. melanin
       2. keratin
       3. true
       4. stratum corneum
       5. shaft
       6. dermis

8.
                                                       cuticle
                                                   cortex
                                                     medulla




                                              Connective tissue sheath
                                                                             Epithelial Sheath
9.     1. Sebaceous glands
       2. arrector pili
       3. eccrine sweat gland
       4. hair follicle
       5. apocrine sweat gland
       6. hair
       7. cutaneous receptors
       8. sebaceous glands & apocrine sweat glands
       9. eccrine sweat glands

10.    1. arrector pili
       2. absorption
       3. stratum basale
       4. blackheads
       5. eccrine glands
       6. wrinkles
       7. keratin

11. water/protein/electrolyte loss; circulatory collapse, renal shutdown

12.    1. 3rd degree burn
       2. 2nd degree burn
       3. 1st degree burn
       4. 2nd degree burn
       5. 3rd degree burn
       6. 3rd degree burn

13. It allows estimation of extent of burns so that fluid volume replacement can be
correctly calculated

14.    1. squamous cell carcinoma
       2. basal cell carcinoma
       3. malignant melanoma

15. Pigmented areas are Asymmetric, have irregular Bodies, exhibit several Colors, &
have a Diameter greater than 6mm are likely to be cancerous

16.    1. dermatitis
       2. delayed-action gene
       3. milia
       4. cold intolerance
       5. acne
       6. vernix caseosa
       7. lanugo
17.   1. collagen
      2. elastin (elastic)
      3. dermis
      4. phagocyte (macrophage)
      5. hair follicle, connective tissue
      6. epidermis
      7. stratum basale
      8. melanin
      9. keratin
      10. squamous (stratum corneum) cells

								
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