Microbiology Midterm 1

50 Questions | Total Attempts: 66

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Microbiology Midterm Quizzes & Trivia

Questions and Answers
  • 1. 
    Which is/are not found on the microbe's side of the disease equilibrium?
    • A. 

      Physical barriers

    • B. 

      Phagocytosis

    • C. 

      Colonization

    • D. 

      A and b

    • E. 

      A and c

  • 2. 
    Which of these microbes is/are found only on the toxigenic side of the pathogenicity spectrum?
    • A. 

      Salmonella typhimurim

    • B. 

      Streptococcus pneumoniae

    • C. 

      Vibrio cholerae

    • D. 

      A and b

    • E. 

      A and c

  • 3. 
    Which of these is/are protozoan?
    • A. 

      Giardia

    • B. 

      Candida

    • C. 

      Plasmodium

    • D. 

      A and b

    • E. 

      A and c

  • 4. 
    Which is not an example of an enzyme produced by a pathogen?
    • A. 

      Hyaluronidase

    • B. 

      Hemolysin

    • C. 

      Coagulase

    • D. 

      Lysozyme

    • E. 

      Kinase

  • 5. 
    Which is/are descriptive of opportunistic pathogen?
    • A. 

      Causes disease under essentially any cirumstance

    • B. 

      Causes disease only under certain situations

    • C. 

      Always causes mild disease

    • D. 

      A and c

    • E. 

      B and c

  • 6. 
    Which is/are true of bacterial capsules?
    • A. 

      Can help resist phagocytosis

    • B. 

      Some can be opsonized

    • C. 

      Can be found on s. pneumoniae

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 7. 
    Which is not a currently important viral disease?
    • A. 

      AIDS

    • B. 

      Cholera

    • C. 

      Hepatitis C

    • D. 

      Dengue

    • E. 

      Influenza

  • 8. 
    Which of these antibiotics work(s) against peptidoglycan assembly?
    • A. 

      Tetracycline

    • B. 

      Penicillin

    • C. 

      Streptomycin

    • D. 

      A and b

    • E. 

      B and c

  • 9. 
    Which of these antibiotics work(s) against bacterial protein synthesis?
    • A. 

      Cephalosporin

    • B. 

      Rifampin

    • C. 

      Erythromycin

    • D. 

      A and c

    • E. 

      B and c

  • 10. 
    Emerging/re-emerging infectious disease(s)?
    • A. 

      West Nile in USA today

    • B. 

      H1N1 (novel) influenza worldwide in 2009

    • C. 

      Polio in USA today

    • D. 

      A and b

    • E. 

      B and c

  • 11. 
    The E. coli in your normal intestine 
    • A. 

      Are commensal

    • B. 

      Are part of normal flora

    • C. 

      If displaced (out of the intestine) could cause disease

    • D. 

      All but one of the above

    • E. 

      All of the above

  • 12. 
    Virulence
    • A. 

      Quantitates pathogenicity

    • B. 

      Implies lethality

    • C. 

      Means severe illness always occurs

    • D. 

      A and b

    • E. 

      A and c

  • 13. 
    Endotoxin
    • A. 

      Toxic component is carbohydrate/polysaccharide

    • B. 

      Only found in Gram positives

    • C. 

      Only found in Gram negatives

    • D. 

      A and b

    • E. 

      A and c

  • 14. 
    Mycobacterium tuberculosis
    • A. 

      Is a frank pathogen

    • B. 

      Causes chronic inflammation

    • C. 

      Can live inside macrophages

    • D. 

      All but one of the above

    • E. 

      All of the above

  • 15. 
    A-B exotoxin
    • A. 

      A is attaching region

    • B. 

      B is block region

    • C. 

      B is binding region

    • D. 

      A and b

    • E. 

      A and c

  • 16. 
    Example(s) of A-B toxins
    • A. 

      Endotoxin

    • B. 

      Diphteria toxin

    • C. 

      Hyaluronidase

    • D. 

      A and b

    • E. 

      A and c

  • 17. 
    Which is/are example(s) of common source outbreak?
    • A. 

      Common cold in USA today

    • B. 

      Staph enterotoxin contaminated food in a restaurant

    • C. 

      Salmonellosis from undercooked eggs from a certain farm

    • D. 

      A and b

    • E. 

      B and c

  • 18. 
    Which is/are pandemic incidence today?
    • A. 

      Cholera in USA

    • B. 

      HIV/AIDS globally

    • C. 

      Common cold in USA

    • D. 

      A and b

    • E. 

      All of the above

  • 19. 
    Zoonotic diseases
    • A. 

      Transmitted from non-human animals to humans

    • B. 

      Transmitted only between non-human animals

    • C. 

      Are very rare

    • D. 

      A and c

    • E. 

      B and c

  • 20. 
    Zoonotic disease example(s)
    • A. 

      Salmonellosis from eggs or poultry

    • B. 

      Influenza

    • C. 

      Gonorrhea

    • D. 

      All but but one of the above

    • E. 

      All of the above

  • 21. 
    Which can be transmitted by aerosol micro droplets?
    • A. 

      Cholera

    • B. 

      Salmonellosis

    • C. 

      Tuberculosis

    • D. 

      Listeriosis

    • E. 

      All of the above

  • 22. 
    MIC of antibiotic
    • A. 

      Means minimal concentration that kills microbe

    • B. 

      Means minimal inhibitory concentration

    • C. 

      Is smallest amount of antimicrobial agent to stop growth

    • D. 

      A and c

    • E. 

      B and c

  • 23. 
    Concerns about antimicrobial resistance
    • A. 

      Microbes can exchange resistance genes

    • B. 

      Antimicrobials sometimes are used injudiciously in people

    • C. 

      Food animals are being given many antimicrobials

    • D. 

      All but one of the above

    • E. 

      All of the above

  • 24. 
    The Kirby Bauer test (disc diffusion)
    • A. 

      Can tell you a precise MIC

    • B. 

      Dilutes antibiotic in tubes

    • C. 

      Looks at zones of bacterial growth inhibition

    • D. 

      A and c

    • E. 

      B and c

  • 25. 
    Beta-lactamase
    • A. 

      Degrades peptidoglycan

    • B. 

      Degrades penicillin

    • C. 

      Degrades vancomycin

    • D. 

      A and b

    • E. 

      B and c