Hardest Trivia Test On Microbiology! Quiz

59 Questions | Total Attempts: 324

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Microbiology Quizzes & Trivia

Do you want a career in the medical field as a microbiologist and since you started your classes think that you have gathered a lot of information in this discipline? Let’s us take your memory for a test drive by seeing just how well you can tackle the hardest trivia test on microbiology below and see just how high you score.


Questions and Answers
  • 1. 
    The innate response resists a particular foreign agent; moreover, innate immune responses improve on repeated exposure to the agent.  
    • A. 

      True

    • B. 

      False

  • 2. 
    Blood cell development occurs in the bone marrow of mammals during the process of  
    • A. 

      Hemolysis

    • B. 

      Hematopoesis

    • C. 

      Hemostasis

    • D. 

      None of the above

  • 3. 
     Substances that are recognized as foreign and provoke immune responses are called  
    • A. 

      Antibodies

    • B. 

      Antigens

    • C. 

      Infective agents

    • D. 

      Inducers

  • 4. 
    Which of the following is a physical barrier in the nonspecific defense of a mammalian host?  
    • A. 

      Inflammation

    • B. 

      Phagocytosis

    • C. 

      Fever

    • D. 

      Mucous membranes

  • 5. 
    The lungs are protected from microorganisms by  
    • A. 

      the mucociliary blanket.

    • B. 

        lysozyme in mucus. 


    • C. 

      Phagocytic action of alveolar macrophages.

    • D. 

      all of the choices

  • 6. 
    Tears protect the eyes by  
    • A. 

      Flushing and lysozyme.


    • B. 

      Inflammation

    • C. 

      Vasodilation

    • D. 

      Stimulating opsonization.


    • E. 

       flushing and lysozyme and vasodilation

  • 7. 
    Under normal circumstances, which of the following is(are) normally sterile environments in mammals?  
    • A. 

      Kidneys

    • B. 

      Ureters

    • C. 

      Urinary bladder

    • D. 

      All of these

  • 8. 
    Which of the following is used to help protect the lungs from infection?  
    • A. 

      Turbulent airflow deposits airborne pathogens on sticky mucosal surfaces.

    • B. 

      The mucociliary escalator moves trapped organisms away from the lungs by ciliary action.

    • C. 

      Coughing and sneezing forcefully expel organisms away from the lungs.

    • D. 

      all of the choices

  • 9. 
     Lysozyme is an enzyme that lyses  
    • A. 

      Viruses

    • B. 

      Fungi

    • C. 

      Bacteria

    • D. 

      Parasites

  • 10. 
     The skin surface (epidermis) is a very favorable environment for colonization by microorganisms.  
    • A. 

      True

    • B. 

      False

  • 11. 
    The lower genitourinary tract is usually free of microorganisms.  
    • A. 

      True

    • B. 

      False

  • 12. 
    Lactobacillus contributes to the antimicrobial defenses for the adult female reproductive tract by making lactic acid to lower the pH.  
    • A. 

      True

    • B. 

      False

  • 13. 
    Cervical mucus has antibacterial activity.  
    • A. 

      True

    • B. 

      False

  • 14. 
    The shorter urethra in females is one reason why urinary tract infections are more common in females than in males.  
    • A. 

      True

    • B. 

      False

  • 15. 
    The mucociliary blanket is found in the digestive system of mammals.    
    • A. 

      True

    • B. 

      False

  • 16. 
    ____________ are a group of cytokines produced by some eukaryotic cells in response to a viral infection.  
  • 17. 
     _____________ is a process by which microorganisms or other particles are coated by serum components, preparing them for recognition and ingestion by phagocytic cells.  
  • 18. 
    Lectin binds to certain carbohydrates to begin the activation of the classical complement pathway.  
    • A. 

      True

    • B. 

      False

  • 19. 
    The bacteriocins produced by Escherichia coli are called colicins.  
    • A. 

      True

    • B. 

      False

  • 20. 
    Body temperature is a physiological barrier against certain microorganisms.  
    • A. 

      True

    • B. 

      False

  • 21. 
    The alternative complement pathway plays an important role in innate immunity, but it is not an effective defense against intravascular invasion by bacteria and some fungi.  
    • A. 

      True

    • B. 

      False

  • 22. 
    Human fevers are commonly caused by viral or bacterial infections, and in almost every instance fever results from an exogenous pyrogen produced by the microorganism or virus.  
    • A. 

      True

    • B. 

      False

  • 23. 
    Pathogen associated molecular patterns (PAMPs) include  
    • A. 

      Lipopolysaccharide

    • B. 

      Peptidoglycan

    • C. 

      Phospholipids of the cytoplasmic membrane. 


    • D. 

      Two of the choices

    • E. 

        all of the choices

  • 24. 
    A fever augments the host's defenses by  
    • A. 

       stimulating leukocytes into action.

    • B. 

      Enhancing microbiostasis.


    • C. 

      Enhancing the activity of the immune system.


    • D. 

       all of these

  • 25. 
    Which of the following is considered to be a biological defense mechanism?  
    • A. 

      Skin

    • B. 

      Fever

    • C. 

        gastric acid 


    • D. 

      Normal microbiota