chapter 5

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Questions and Answers

Which layer of the skin is deep to the dermis and is composed of adipose and areolar connective tissue?

  • Dermis
  • Hypodermis (correct)
  • Epidermis
  • Stratum Corneum

What is the function of hair follicles?

  • Produce hair and contain sensory nerve endings that are stimulated by bending a hair (correct)
  • Produce sebum
  • Produce sweat
  • Produce melanin

Which layer of the dermis is composed of loose connective tissue and contains blood vessels and nerve endings?

  • Stratum Lucidum
  • Reticular layer
  • Stratum Corneum
  • Papillary layer (correct)

What do sebaceous glands in the external ear canal secrete?

<p>Cerumen (A)</p> Signup and view all the answers

What does the Rule of Nines estimate?

<p>The severity of burns (B)</p> Signup and view all the answers

What is the function of sebaceous (oil) glands?

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

What is the function of tactile (Merkel) cells?

<p>Serve as touch receptors (C)</p> Signup and view all the answers

What is the function of keratinocytes?

<p>Produce keratin (C)</p> Signup and view all the answers

What are the risk factors for skin cancer?

<p>Overexposure to UV radiation and frequent irritation of the skin (A)</p> Signup and view all the answers

Which layer of the epidermis consists of a few rows of flat, dead keratinocytes and is present only in thick skin?

<p>Stratum Lucidum (A)</p> Signup and view all the answers

Which layer of the epidermis contains melanin granules and Langerhans' cells?

<p>Stratum Granulosum (Granular Layer) (D)</p> Signup and view all the answers

What is the most common type of skin cancer?

<p>Basal cell carcinoma (D)</p> Signup and view all the answers

What is alopecia?

<p>Hair thinning in both sexes (C)</p> Signup and view all the answers

What is the function of collagen fibers in the reticular layer of the dermis?

<p>Add strength and resiliency to the skin (A)</p> Signup and view all the answers

What happens to the epidermal replacement of cells in old age?

<p>It slows down (C)</p> Signup and view all the answers

When are burns considered critical according to the Rule of Nines?

<p>If over 25% of the body has second-degree burns (D)</p> Signup and view all the answers

What is the treatment for melanoma skin cancer?

<p>Wide surgical excision accompanied by immunotherapy (C)</p> Signup and view all the answers

What do mammary glands secrete?

<p>Milk (A)</p> Signup and view all the answers

What are the characteristics of melanoma skin cancer according to the ABCD rule?

<p>A: Asymmetry, B: Border is irregular, C: Color is black, D: Diameter is larger than 6 mm (D)</p> Signup and view all the answers

Where are eccrine sweat glands found?

<p>Palms, soles of the feet, and forehead (C)</p> Signup and view all the answers

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