Anatomy And Physiology Questions - The Integumentary System

43 Questions | Total Attempts: 7638

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Anatomy And Physiology Questions - The Integumentary System - Quiz

Questions about the skin. Apparently linked to the "Adolescence" case unit, don't know why. . . Also a few questions about wound healing linked to the "Childhood" case unit.


Questions and Answers
  • 1. 
    This is another name for the subcutaneous layer.
    • A. 

      Dermis

    • B. 

      Epidermis

    • C. 

      Corpuscle

    • D. 

      Basale

    • E. 

      Hypodermis

  • 2. 
    This layer is composed of keratinized stratified squamous epithelium.
    • A. 

      Epidermis

    • B. 

      Dermis

    • C. 

      Hypodermis

    • D. 

      Subcutaneous

    • E. 

      Corpuscle

  • 3. 
    Keratin
    • A. 

      Is a protein

    • B. 

      Helps protect the bone from viruses

    • C. 

      Is a protein that is made of melanocytes

    • D. 

      Both a and c

    • E. 

      All of the above

  • 4. 
    This pigment absorbs ultraviolet light.
    • A. 

      Keratin

    • B. 

      Melanin

    • C. 

      Melatonin

    • D. 

      Carotene

    • E. 

      Nigrosin

  • 5. 
    This epidermal cell has a role in immunity and disease resistance.
    • A. 

      Langerhans

    • B. 

      Keratinocytes

    • C. 

      Melanocyte

    • D. 

      Merkel cell

    • E. 

      Corpuscle

  • 6. 
    This layer of epidermis is composed of a single row of cuboidal or columnar keratinocytes.
    • A. 

      Stratum basale

    • B. 

      Stratum spinosum

    • C. 

      Stratum granulosum

    • D. 

      Stratum lucidum

    • E. 

      Stratum corneum

  • 7. 
    This layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis.
    • A. 

      Stratum basale

    • B. 

      Stratum spinosum

    • C. 

      Stratum granulosum

    • D. 

      Stratum lucidum

    • E. 

      Stratum corneum

  • 8. 
    The stratum lucidum
    • A. 

      Contains lamellar granules

    • B. 

      Lies just superficially to stratum basale

    • C. 

      Is the layer used in a skin graft

    • D. 

      Is present only in thick skin

    • E. 

      Consists of 25-30 layers of dead keratinocytes

  • 9. 
    Constant exposure of skin to friction stimulates the formation of a callus which is the thickening of which layer?
    • A. 

      Stratum basale

    • B. 

      Stratum spinosum

    • C. 

      Stratum granulosum

    • D. 

      Stratum lucidum

    • E. 

      Stratum corneum

  • 10. 
    Keratinization
    • A. 

      Is the process of synthesizing pigment in the skin

    • B. 

      Is the process of cells accumlating keratin

    • C. 

      Is only seen in thin skin

    • D. 

      Is the process of synthesizing pigment and accumulating keratin

    • E. 

      None of the above

  • 11. 
    This layer is composed mainly of connective tissue with collagen and elastic fibres.
    • A. 

      Hypodermis

    • B. 

      Basement membrane

    • C. 

      Epidermis

    • D. 

      Dermis

    • E. 

      Subcutaneous

  • 12. 
    Albinism
    • A. 

      Is the absence of melanin

    • B. 

      Is the absence of carotene

    • C. 

      Is the absence of both melanin and carotene

    • D. 

      Is the absence of keratin

    • E. 

      Is the absence of thick skin

  • 13. 
    Thick skin
    • A. 

      Is found in the palms, soles of the feet and fingertips

    • B. 

      Does not contain hair follicles

    • C. 

      Contains more sweat glands than thin skin

    • D. 

      Contains epidermal ridges

    • E. 

      All of the above

  • 14. 
    Which of the following plays an important role in thermoregulation?
    • A. 

      Merkel cell

    • B. 

      Sebaceous gland

    • C. 

      Sweat gland

    • D. 

      Nail

    • E. 

      Fingerprint

  • 15. 
    This skin structure acts to prevent water loss as well as inhibiting bacterial growth on the surface of the skin.
    • A. 

      Thick skin

    • B. 

      Nails

    • C. 

      Sweat glands

    • D. 

      Hair

    • E. 

      Oil glands

  • 16. 
    This is fine nonpigmented hair that covers the body of the fetus.
    • A. 

      Alopecia

    • B. 

      Vellus

    • C. 

      Lanugo

    • D. 

      Hair follicles

  • 17. 
    This type of gland is a branched acinar gland connected to a hair follicle.
    • A. 

      Sebaceous

    • B. 

      Sudoriferous

    • C. 

      Both sebaceous and sudoriferous

    • D. 

      None of the above

  • 18. 
    This is a mixture of triglycerides, cholesterol, proteins and inorganic salts.
    • A. 

      Sweat

    • B. 

      Lanugo

    • C. 

      Vellus

    • D. 

      Sebum

    • E. 

      Mucus

  • 19. 
    This type of gland is a coiled tubular gland found almost throughout the entirety of the skin.
    • A. 

      Sebaceous

    • B. 

      Eccrine

    • C. 

      Appocrine

    • D. 

      Ceruminous

    • E. 

      None of the above

  • 20. 
    What is the function of skin?
    • A. 

      Thermoregulation

    • B. 

      Protection

    • C. 

      Secretion and absorption

    • D. 

      Vitamin D synthesis

    • E. 

      All of the above

  • 21. 
    What are the steps in epidermal wound healing?
    • A. 

      Epidermal injury - basal cells break contact with the basement membrane - basal cells enlarge and migrate across the wound - contact inhibition

    • B. 

      Epidermal injury - basal cells enlarge and migrate across the wound - basal cells break contact with the basement membrane - contact inhibition

    • C. 

      Epidermal injury - contact inhibition - basal cells enlarge and migrate across the wound - basal cells break contact with the basement membrane

    • D. 

      Epidermal injury - basal cells break contact with the basement membrane - contact inhibition - basal cells enlarge and migrate across the wound

    • E. 

      Epidermal injury - basal cells enlarge and migrate across the wound - contact inhibition - basal cells break contact with the basement membrane

  • 22. 
    What happens in the maturation phase of a deep wound healing?
    • A. 

      The scab sloughs off

    • B. 

      Collagen fibres become more organised

    • C. 

      Fibroblasts decrease in number

    • D. 

      Blood vessels are restored to normal

    • E. 

      All of the above

  • 23. 
    What are the steps in deep wound healing?
    • A. 

      Wound formation - migratory phase - maturation phase - inflammation

    • B. 

      Wound formation - inflammation - migratory phase - maturation phase

    • C. 

      Wound formation - inflammation - maturation phase - migratory phase

    • D. 

      Wound formation - migratory phase - inflammation - maturation phase

    • E. 

      Wound formation - maturation phase - inflammation - migratory phase

  • 24. 
    In this type of scarring, the scar tissue extends beyond the boundary of the injury into normal tissue.
    • A. 

      Hypertrophic

    • B. 

      Keloid

    • C. 

      Proliferative

    • D. 

      Inhibitory

    • E. 

      Granulatory

  • 25. 
    In the diagram, where is the sebaceous gland?
    • A. 

      C

    • B. 

      D

    • C. 

      E

    • D. 

      F

    • E. 

      H

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