Patho.chap.4

25 Questions  I  By Caitlinnorthcutt
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Patho.chap.4
Patho. Chap. 4. Test. Only 1-20

  
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  • 1. 
    Bacteria that form a cluster of sheres are called:
    • A. 

      Bacilli

    • B. 

      Dipococci

    • C. 

      Staphylococci

    • D. 

      Streptococci


  • 2. 
    An anaerobe thrives and reproduces best in:
    • A. 

      A moist enviroment

    • B. 

      An acidic medium

    • C. 

      Air at a cool temp.

    • D. 

      The absence of oxygen


  • 3. 
    The prescene of the bacteria capsule:
    • A. 

      Promotes attachment of the bacteria to tissue.

    • B. 

      Protects the microbe from phagocytosis

    • C. 

      Increases the release of toxins and enzymes

    • D. 

      Prevebrs replication of the bacteria.


  • 4. 
    Microbial mutation mean that:
    • A. 

      Genetic infomation and some microbial characteristics have changed

    • B. 

      Pathogens become nonpathogens

    • C. 

      The mircrobe survives adverse conditions.

    • D. 

      The immune response to the microbe is strengthened


  • 5. 
    A bacterial endospore can:
    • A. 

      Also be classified as an acid-fast bacterium.

    • B. 

      Exist in latent form inside a host cell.

    • C. 

      Reproduce very rapidly.

    • D. 

      Survive high temperatures and dry environment.


  • 6. 
    Thre structure of a virus includes:
    • A. 

      A cell wall and membrane

    • B. 

      Metabolic enzymes for replication

    • C. 

      A protein coat and DNA or RNA

    • D. 

      A slime capsule and cilia.


  • 7. 
    What method do viruses use to replicate?
    • A. 

      Binary fission

    • B. 

      Budding of a daughter cell from the parent cell

    • C. 

      Producing reproductive spores

    • D. 

      Using a host cell to produce and assemble components


  • 8. 
    A retrovirus as HIV contains:
    • A. 

      RNA and enzymes for its conversion.

    • B. 

      A double strand of DNA

    • C. 

      Many enzymes to control

    • D. 

      Numerous mitochondria.


  • 9. 
    How do antiviral drugs act?
    • A. 

      Interfering with cell wall development

    • B. 

      Decreasing cell membrane permeability

    • C. 

      Destroying new, immature viral particles

    • D. 

      Reducing the rate of viral replication.


  • 10. 
    The yeasts:
    • A. 

      Are usuakky considered to be pathogenic

    • B. 

      Consist of clusters of cells.

    • C. 

      Many cause opportunistic infection in the body

    • D. 

      Are normally not found in resident flora.


  • 11. 
    Fungi reproduce by:1. budding2. extension3. binary fission4 production of spores
    • A. 

      1,2

    • B. 

      2,4

    • C. 

      1,2,4

    • D. 

      2,3,4


  • 12. 
    Which of the following is not classified as protoza?
    • A. 

      Plasmodium vivax

    • B. 

      Trichomonas vaginalis

    • C. 

      Mycoplasma pneumonia

    • D. 

      Entamoeba histolytica


  • 13. 
    Which of the following  is a characteristic of rickettsia?
    • A. 

      It is a very small gram-negative intracellular microbe

    • B. 

      It exists in three forms

    • C. 

      It causes a sexually transmitted disease

    • D. 

      It reproduces by budding


  • 14. 
    Entamoeba histolytica is transmitted by:
    • A. 

      Mosquitoes

    • B. 

      Inhaling contaminated particles

    • C. 

      Sexual intercourse

    • D. 

      Cysts in feces, contaminating food/water


  • 15. 
    Which of the following is a characteristic of resident or normal flora (microflora)?
    • A. 

      It exists in all areas of the body

    • B. 

      Different species inhabit various areas of the body

    • C. 

      It is of no benefit to human host

    • D. 

      It consists only of bateria


  • 16. 
    Which area of the body is sterilea?
    • A. 

      Stomach

    • B. 

      Pharynx

    • C. 

      All mucous membranes

    • D. 

      Vagina


  • 17. 
    The term nonsocomial infection means:
    • A. 

      Transmission involves an insect or animal host

    • B. 

      Infection acquired in a hospital or medical facility

    • C. 

      Transmitted by a fomite

    • D. 

      Spread by direct contact


  • 18. 
    Transmission of microbes by direct contact includes:
    • A. 

      Touching a contaminated countertop

    • B. 

      Sexual intercourse

    • C. 

      Drinking contaminated water

    • D. 

      Inhaling dust


  • 19. 
    What does the term carrier mean?
    • A. 

      A person with active infections

    • B. 

      Animals, insects, objects or surfaces contaminated

    • C. 

      An individual who is contagious through infected secretions

    • D. 

      A healthy person whose body harbors pathogens and can transmit them to others


  • 20. 
    Opportunistic infection may develop when:
    • A. 

      Pathogens enter the body but cannot colonize

    • B. 

      A member of the resident flora

    • C. 

      Host resistance increases

    • D. 

      Contaminated food


  • 21. 
    Host resistance is promoted by all of the following except:
    • A. 

      Prescribed immunizations

    • B. 

      Chronic repiratory disease

    • C. 

      Vitamin and mineral supplements

    • D. 

      Appropriate inflammatory or immune response


  • 22. 
    Which of the following factors would not be increase the virulence of a specific mircobe?
    • A. 

      Secretion of endotoxin

    • B. 

      Presence of bacterial capsule

    • C. 

      Production of interferons

    • D. 

      Secretion of invasive enzymes


  • 23. 
    What does a vaccine contain?
    • A. 

      Attenuated (weakend) or dead pathogens or their toxins

    • B. 

      Antibodies for a specific pathogen

    • C. 

      Memeort B and T

    • D. 

      Chemicals to stimulate the immune response.


  • 24. 
    What do clinical signs of infection appear?
    • A. 

      As soon as pathogens penetrate

    • B. 

      Quickly when microbe replicate

    • C. 

      When yhe mircrobial colony is large enough to damage

    • D. 

      After the immune system is activated.


  • 25. 
    The principle of Universal Precautions is based on:
    • A. 

      Using disinfectants at all times

    • B. 

      Not touching any open or bleeding lesions

    • C. 

      Sterilizing all instruments

    • D. 

      Assuming that all body fluids from all individuals are possible sources of infections.


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