HPP The Immune System I Quiz
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HPP The Immune System I Quiz

Created by
@PowerfulOphicleide

Questions and Answers

What is the primary function of physical barriers in the immune system?

  • To recognize specific pathogens
  • To prevent the entry of most microorganisms into the body (correct)
  • To produce a wide range of immune responses
  • To activate effector lymphocytes
  • What is the characteristic of nonspecific (or innate) immunity?

  • It provides a stronger defense against a specific pathogen
  • It provides the first defenses against pathogens regardless of the type of pathogen (correct)
  • It involves the activation of effector lymphocytes
  • It is acquired after birth
  • What is the function of leukocytes in the immune system?

  • To recognize specific pathogens
  • To produce a wide range of immune responses
  • To provide physical barriers against pathogens
  • To phagocytose foreign matter (correct)
  • What is the difference between specific and nonspecific immunity?

    <p>Specific immunity provides a stronger defense against a specific pathogen, while nonspecific immunity provides the first defenses against pathogens</p> Signup and view all the answers

    What is the role of the spleen in the immune system?

    <p>It filters the blood and removes pathogens</p> Signup and view all the answers

    What is the characteristic of adaptive immunity?

    <p>It develops after birth and provides a stronger defense against a specific pathogen</p> Signup and view all the answers

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

    <p>To lubricate the hair and inhibit bacterial growth</p> Signup and view all the answers

    What is the role of lysozymes in tears and sweat?

    <p>To digest proteoglycans in the cell walls of bacteria</p> Signup and view all the answers

    What is the function of ciliated mucosa in the respiratory tract?

    <p>To catch microorganisms in mucus and transport them out of the body</p> Signup and view all the answers

    What is the role of commensals in the gut?

    <p>To prevent the attachment of pathogens and compete with them for essential nutrients</p> Signup and view all the answers

    What is the main function of leukocytes in the body?

    <p>To protect the body against infection and disease</p> Signup and view all the answers

    What is the role of stomach mucous membranes in preventing infection?

    <p>To produce acid that kills most microorganisms that enter the gut</p> Signup and view all the answers

    What is the primary function of the immune system?

    <p>To eliminate potentially disease-causing agents</p> Signup and view all the answers

    Which type of immunity involves recognizing and eliminating materials foreign to the body?

    <p>Adaptive immunity</p> Signup and view all the answers

    What is the main obstacle to successful organ transplantation?

    <p>The immune system's recognition of 'self'</p> Signup and view all the answers

    Which process does the immune system participate in?

    <p>Wound healing</p> Signup and view all the answers

    What does the immune system reject in addition to foreign materials?

    <p>Healthy cells of 'self'</p> Signup and view all the answers

    Which component of the immune system regulates the intensity and duration of the immune response?

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

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