Introduction to Immunology and Immune Responses Quiz
12 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 main function of keratins in the human body?

  • Make up the main components of hair, nails, and outer skin cells (correct)
  • Facilitate microbial invasion
  • Provide chemical protection
  • Contribute to nonspecific immunity
  • Why is the skin slightly acidic?

  • Due to high sodium chloride concentration
  • Because of the presence of keratins
  • Resulting from secretions from sweat glands (correct)
  • Caused by commensal staphylococci
  • How do mucous membranes protect against microbial invasion?

  • By forming a protective covering and mucous secretions (correct)
  • By withstanding microbial invasions
  • By producing keratins
  • Through trapping microorganisms in acid
  • What is the function of tears in protecting the eye?

    <p>To flush away microorganisms and provide chemical protection</p> Signup and view all the answers

    Why are most microorganisms that reach the stomach killed?

    <p>As a result of the acidity of gastric juice and proteolytic enzymes</p> Signup and view all the answers

    What is the significance of keratins in providing protection for hair and nails?

    <p>Keratins form a barrier that resists penetration by microorganisms</p> Signup and view all the answers

    Which of the following statements about the nonspecific immune response is correct?

    <p>Its responses occur to the same extent each time a microorganism or foreign body is encountered.</p> Signup and view all the answers

    Which of the following is NOT a component of the physical barriers in nonspecific (innate) resistance?

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

    The outer layer of the skin that contributes to nonspecific host resistance is composed of:

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

    Which of the following statements about the skin as a physical barrier in nonspecific (innate) resistance is correct?

    <p>Its intact state contributes greatly to nonspecific host resistance.</p> Signup and view all the answers

    According to the information provided, which of the following statements about immunology is correct?

    <p>It includes the biological, chemical, and physical aspects of the immune response.</p> Signup and view all the answers

    Which of the following statements about the two types of immune responses is correct?

    <p>The nonspecific immune response is also known as nonspecific resistance and innate or natural immunity.</p> Signup and view all the answers

    More Like This

    Immunity and Immunology Basics
    12 questions
    lecture 25- immunology
    39 questions
    Host Resistance Overview Quiz
    45 questions
    Use Quizgecko on...
    Browser
    Browser