Microbiology Midterm 3

50 Questions | Total Attempts: 42

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Microbiology Midterm Quizzes & Trivia

Questions and Answers
  • 1. 
    Cholera toxin
    • A. 

      A B toxin

    • B. 

      Causes hypersecretion of fluids

    • C. 

      ADP ribosylates EF-2

    • D. 

      A and b

    • E. 

      All of the above

  • 2. 
    Shigella species
    • A. 

      Large inoculum needed to cause disease

    • B. 

      Small inoculum causes disease

    • C. 

      Causes secretory diarrhea

    • D. 

      A and c

    • E. 

      B and c

  • 3. 
    STEC
    • A. 

      Means the same as EHEC

    • B. 

      Can cause HUS

    • C. 

      Usually food borne

    • D. 

      All but one of the above

    • E. 

      All of the above

  • 4. 
    Bacterial diarrhea
    • A. 

      Can be secretory

    • B. 

      Can be invasive

    • C. 

      Can be food borne

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 5. 
    Salmonella species (non-typhoidal)
    • A. 

      Takes relatively small inoculum to cause disease

    • B. 

      Takes large inoculum to cause disease

    • C. 

      ALL species are host adapted (just one host)

    • D. 

      A and c

    • E. 

      B and c

  • 6. 
    Totally stopping gut motility for bacterial diarrhea
    • A. 

      Reduces the length of disease

    • B. 

      Can result in symptoms returning with greater severity

    • C. 

      Usually results in more positive disease outcome

    • D. 

      A and c

    • E. 

      B and c

  • 7. 
    The best example(s) of invasive bacterial diarrhea(s)
    • A. 

      Salmonellosis

    • B. 

      Enterotoxigenic E. coli

    • C. 

      Cholera

    • D. 

      A and c

    • E. 

      B and c

  • 8. 
    Antimicrobial(s) that work/works on fungi
    • A. 

      Chloramphenicol

    • B. 

      Azoles

    • C. 

      Amphotericin B

    • D. 

      A and c

    • E. 

      B and c

  • 9. 
    Typhoid fever
    • A. 

      Is caused by Salmonella typhi

    • B. 

      Is non-host adapted

    • C. 

      Causes severe diarrhea early in infection

    • D. 

      A and b

    • E. 

      A and c

  • 10. 
    Typhoid fever diagnosis
    • A. 

      Stool is always a good specimen

    • B. 

      Can almost always be isolated from blood

    • C. 

      Can almost always be isolated from urine

    • D. 

      A and b

    • E. 

      B and c

  • 11. 
    "Purel" and other alcohol sanitizers can kill/inactivate
    • A. 

      Shigella

    • B. 

      Vibrio cholerae

    • C. 

      Staphylococcus aureus

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 12. 
    Histoplasmosis
    • A. 

      Many people are asymptomatic

    • B. 

      Find mold form in environment near rivers

    • C. 

      Find yeast form in environment near rivers

    • D. 

      A and b

    • E. 

      A and c

  • 13. 
    Example(s) of opportunistic fungus/fungi
    • A. 

      Candida albicans

    • B. 

      Coccidioides immitis

    • C. 

      Cryptococcus neoformans

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 14. 
    Dormant, resistant stage of protozoan
    • A. 

      "troph" (trophozoite)

    • B. 

      Cyst

    • C. 

      Amoeba

    • D. 

      Toxo

    • E. 

      Histo

  • 15. 
    Systemic fungi
    • A. 

      Always opportunistic pathogens

    • B. 

      Always frank pathogens

    • C. 

      Can cause serious disease

    • D. 

      A and c

    • E. 

      B and c

  • 16. 
    Cutaneous mycoses
    • A. 

      Usually caused by dermatophytes

    • B. 

      Very common

    • C. 

      Transmitted by direct contact

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 17. 
    Toxoplasma gondii
    • A. 

      Cats are definitive host

    • B. 

      Humans are definitive host

    • C. 

      Can affect fetus

    • D. 

      A and c

    • E. 

      B and c

  • 18. 
    Cryptosporidium parvum
    • A. 

      Commonly water borne

    • B. 

      Caused big outbreak in WI in the 1990's

    • C. 

      Usually food borne

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 19. 
    Malaria
    • A. 

      Is caused by Plasmodium

    • B. 

      Caused by a frank pathogen

    • C. 

      Transmitted by infected mosquitoes

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 20. 
    Chaga's disease 
    • A. 

      Caused by Trypanosoma cruzi

    • B. 

      Transmitted by kissing bug

    • C. 

      Transmitted by mosquito

    • D. 

      A and b

    • E. 

      A and c

  • 21. 
    Malaria 
    • A. 

      Pathogen spends most of life in RBC (in humans)

    • B. 

      Pathogen has complex life cycle

    • C. 

      Under reported in places like Africa

    • D. 

      All of the above

    • E. 

      All but one of the above

  • 22. 
    Trichomonas vaginalis
    • A. 

      Causes diarrhea

    • B. 

      Infects RBC

    • C. 

      Can cause an STD

    • D. 

      A and c

    • E. 

      B and c

  • 23. 
    Viral nucleocapsid
    • A. 

      Protein shell with nucleic acid

    • B. 

      Protein shell alone

    • C. 

      Has either DNA or RNA

    • D. 

      A and c

    • E. 

      B and c

  • 24. 
    Viruses
    • A. 

      Facultative intracellular parasites

    • B. 

      Obligate intracellular parasites

    • C. 

      Have ribosomes

    • D. 

      A and c

    • E. 

      B and c

  • 25. 
    Lytic virus example(s)
    • A. 

      Influenza

    • B. 

      Polio

    • C. 

      Hepatitis A

    • D. 

      A and b

    • E. 

      B and c