Skin Anatomy Quiz
34 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary composition of the epidermis?

  • Columnar epithelium
  • Loose connective tissue
  • Simple cuboidal epithelium
  • Keratinized stratified squamous epithelium (correct)

    • Which tissue primarily composes the dermis?

  • Loose adipose tissue
  • Dense irregular connective tissue (correct)
  • Striated muscle tissue
  • Smooth muscle tissue

    • Which of the following structures is NOT found in the dermis?

  • Epidermal layer (correct)
  • Hair follicles
  • Blood vessels
  • Sweat glands

    • What does the hypodermis primarily consist of?

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

    What characteristic is true of the dermis?

    <p>It contains blood vessels and other structures.</p> Signup and view all the answers

    What is the primary function of the stratum corneum in the skin?

    <p>To prevent microbial penetration and dehydration</p> Signup and view all the answers

    Which layer lies immediately beneath the epidermis?

    <p>Papillary layer</p> Signup and view all the answers

    How long does it take for the entire stratum corneum to be replaced?

    <p>4 weeks</p> Signup and view all the answers

    What type of connective tissue predominates in the reticular layer of the dermis?

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

    Which structures are contained within the dermis?

    <p>Nerves and lymph vessels</p> Signup and view all the answers

    What is the primary component of the dermis?

    <p>Connective tissue</p> Signup and view all the answers

    What do dermal papillae in the papillary layer do?

    <p>Form finger-like projections into the epidermis</p> Signup and view all the answers

    Which layer is primarily involved in mechanical protection against abrasion?

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

    What function does the arrector pili muscle serve in humans?

    <p>It contracts to make hair stand up and trap air.</p> Signup and view all the answers

    Which type of gland is responsible for thermoregulation through sweat production?

    <p>Eccrine sweat glands</p> Signup and view all the answers

    What is the primary composition of the hair papilla?

    <p>Connective tissue and blood capillaries</p> Signup and view all the answers

    How do matrix cells in the hair follicle contribute to hair formation?

    <p>They divide and push upwards to become keratinized.</p> Signup and view all the answers

    Which is true about eccrine sweat glands?

    <p>They produce hypotonic sweat primarily for thermoregulation.</p> Signup and view all the answers

    What physiological response does the arrector pili muscle trigger?

    <p>It causes hair to stand on end, resulting in goose bumps.</p> Signup and view all the answers

    Where are eccrine sweat glands most abundantly located?

    <p>On the palms, soles, and forehead.</p> Signup and view all the answers

    What primarily stimulates the contraction of the arrector pili muscle?

    <p>Sympathetic nervous system signals</p> Signup and view all the answers

    What is the primary function of trabeculae in spongy bone?

    <p>To form a network that directs stress and reduces weight</p> Signup and view all the answers

    Which of the following correctly describes the composition of bone?

    <p>Bone is made up of 40% organic components and 60% inorganic components</p> Signup and view all the answers

    What role does the endosteum play in the structure of trabecular bone?

    <p>It covers the trabeculae and contains loose connective tissue</p> Signup and view all the answers

    What is hematopoiesis and where does it occur in the bone?

    <p>It refers to the production of red and white blood cells in red marrow spaces</p> Signup and view all the answers

    How do spaces within the trabeculated network affect bones?

    <p>They make bones lighter, enabling easier movement by muscles</p> Signup and view all the answers

    What is the primary function of chondroblasts during endochondral bone formation?

    <p>To form the hyaline cartilage model</p> Signup and view all the answers

    What does the perichondrium surround during endochondral bone formation?

    <p>Hyaline cartilage model</p> Signup and view all the answers

    What process occurs to the chondrocytes in the center of the cartilage model?

    <p>They undergo hypertrophy and programmed death.</p> Signup and view all the answers

    What is formed as a result of mesenchymal cells differentiating into chondroblasts?

    <p>Hyaline cartilage</p> Signup and view all the answers

    How does the cartilage model of the bones grow?

    <p>Through both interstitial and appositional growth</p> Signup and view all the answers

    What forms as a thin collar around the shaft of the cartilage model?

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

    What happens to the cartilage matrix surrounding the hypertrophying chondrocytes?

    <p>It becomes calcified</p> Signup and view all the answers

    What type of cells does the perichondrium contain that contribute to bone formation?

    <p>Mesenchymal cells</p> Signup and view all the answers

    More Like This

    Human Skin Anatomy
    10 questions

    Human Skin Anatomy

    GratifyingHydrogen avatar
    GratifyingHydrogen
    Skin Anatomy Quiz
    40 questions

    Skin Anatomy Quiz

    WellConnectedPerception2127 avatar
    WellConnectedPerception2127
    Human Anatomy: Skin Structure Quiz
    11 questions

    Human Anatomy: Skin Structure Quiz

    ComelyFriendship9645 avatar
    ComelyFriendship9645
    Skin Anatomy and Functions
    12 questions

    Skin Anatomy and Functions

    RevolutionaryAltoSaxophone avatar
    RevolutionaryAltoSaxophone
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser