Skin Anatomy and Physiology
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Questions and Answers

Which layer of the epidermis is found in the palms and soles of the feet?

  • Stratum corneum (correct)
  • Stratum lucidum
  • Stratum spinosum
  • Stratum basale

    • What is the main purpose of dermaplaning?

  • To treat skin infections
  • To remove superficial facial hair and dead skin (correct)
  • To remove deep skin wrinkles
  • To stimulate collagen production

    • What is the function of the dermal papillae in the dermis?

  • To produce collagen
  • To provide sensation to the skin
  • To provide elasticity to the skin through fine elastic fibers (correct)
  • To support the growth of hair follicles

    • Which of the following is NOT a function of the skin?

    <p>Skeletal movement</p> Signup and view all the answers

    What is the main component of the Hypodermis layer?

    <p>Fat/Adipose tissue</p> Signup and view all the answers

    Why is dermaplaning considered a relatively painless procedure?

    <p>Because the epidermis has very few nerve endings</p> Signup and view all the answers

    What is the term for the process of decrease in collagen, elastin, and HA with age?

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

    What is the consequence of dermaplaning on the skin?

    <p>It increases blood flow to the dermis</p> Signup and view all the answers

    What is the location of the stratum lucidum in the epidermis?

    <p>Between stratum granulosum and stratum corneum</p> Signup and view all the answers

    Which of the following mechanoreceptors is responsible for detecting pressure?

    <p>Merkels Cells</p> Signup and view all the answers

    What is the term for the first layer of skin that has no blood vessels and few nerve endings?

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

    What is the mnemonic for the functions of skin, including Protection, Heat Regulation, and Absorption?

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

    What is the primary function of Keratinocytes in the epidermis?

    <p>Produce a water-repellent sealant for skin waterproofing</p> Signup and view all the answers

    Which type of mechanoreceptor is responsible for detecting deep pressure?

    <p>Pacinian Corpuscle</p> Signup and view all the answers

    What is the function of Melanocytes in the epidermis?

    <p>Produce melanin for skin pigmentation</p> Signup and view all the answers

    What is the name of the layer of the epidermis that imparts strength and flexibility?

    <p>Stratum spinosum</p> Signup and view all the answers

    What is the function of Meissner's Corpuscle?

    <p>Detect fine touch and vibration</p> Signup and view all the answers

    What is the name of the layer of the epidermis that contains lamellar granules?

    <p>Stratum granulosum</p> Signup and view all the answers

    What type of connective tissue is present in the deeper part of the dermis?

    <p>Dense irregular connective tissue</p> Signup and view all the answers

    What is the function of the arrector pili muscle?

    <p>To generate heat when the body is cold</p> Signup and view all the answers

    What is the outcome of lacking melanin production in the skin?

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

    What type of receptors are present in the papillary dermis?

    <p>Fine touch receptors</p> Signup and view all the answers

    What is the function of sebaceous glands?

    <p>To secrete an oily substance called sebum</p> Signup and view all the answers

    What is the pigment responsible for the yellow undertone of skin colour?

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

    What is the main function of sebum secreted by sebaceous glands?

    <p>To prevent excessive evaporation of water</p> Signup and view all the answers

    Where are ceruminous glands typically found?

    <p>In the outer ear canal</p> Signup and view all the answers

    What is the function of apocrine sweat glands?

    <p>To produce sweat in response to emotional stimuli</p> Signup and view all the answers

    What is the main component of nails?

    <p>Hard, dead, keratinized epidermal cells</p> Signup and view all the answers

    What is the result of fibroblasts decreasing in number during ageing?

    <p>A decrease in skin elasticity</p> Signup and view all the answers

    What is the effect of Botox on sweat glands?

    <p>It reduces sweat production by blocking receptors</p> Signup and view all the answers

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