Integumentary System Quiz
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Questions and Answers

What are the 4 main responsibilities of the integumentary system?

  • Sensory perception, muscle movement, bone protection, waste elimination
  • Protection, secretion/excretion, sensation, vitamin D production (correct)
  • Temperature regulation, immune response, vitamin absorption, waste elimination
  • Blood circulation, nutrient storage, hormone production, waste removal
  • What are the 3 functions of keratin?

  • Tough, clear, waterproof (correct)
  • Rigid, opaque, absorbent
  • Flexible, transparent, insulating
  • Elastic, porous, sensitive
  • How is the epidermis strong if bacteria/virus adheres to it?

  • Melanocytes produce a protective layer against bacteria and viruses
  • Dendritic cells release antimicrobial peptides to fight off bacteria and viruses
  • Stratum corneum- dead cells so the bacteria doesn’t have a host cell to survive (correct)
  • Keratinocytes produce a natural antibiotic that kills bacteria and viruses
  • What are the cells of dermis and how does it relate to the dermis?

    <p>Keratinocytes and melanocytes give hair color</p> Signup and view all the answers

    What is the primary function of the glycocalyx?

    <p>Cell recognition, lubrication, and adherence to other extracellular structures</p> Signup and view all the answers

    Where does cellular respiration occur?

    <p>In the mitochondria</p> Signup and view all the answers

    What are the 4 functions of epithelial tissue?

    <p>Protection, regulating permeability, sensation, secretion</p> Signup and view all the answers

    What are the 5 functions of connective tissue?

    <p>Triglyceride storage, protection, transport, immune cell activity, structural framework</p> Signup and view all the answers

    What is the primary function of loose adipose tissue?

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

    What is the primary fibrocyte in cartilage?

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

    What is the ground substance of cartilage composed of?

    <p>Proteoglycans composed of protein and carbohydrates</p> Signup and view all the answers

    What are the end products of aerobic cellular respiration?

    <p>Carbon dioxide, water, and ATP</p> Signup and view all the answers

    What causes the smell from sweat in the apocrine gland?

    <p>Bacteria activity eating sweat components</p> Signup and view all the answers

    What gland is associated with the production of milk?

    <p>Mammary gland</p> Signup and view all the answers

    What causes cells to not undergo mitosis in aging, leading to thinner skin and more bruising?

    <p>Altered hormone activity</p> Signup and view all the answers

    What are the 4 stimuli of the apocrine gland?

    <p>Reproduction, excitability, testosterone and estrogen level changes</p> Signup and view all the answers

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