Group A Streptococcus

18 Questions | Total Attempts: 789

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Streptococcus Quizzes & Trivia

In the study of bacteria, we come across Streptococcus, which is a bacteria belonging to the phylum Firmicutes. The terminology seems difficult, but actually, not everything is as hard in relation to it. Just attempt and see.


Questions and Answers
  • 1. 
    The tests commonly performed in children and young adults when symptoms suggest sore throat are throat culture and rapid strep test
    • A. 

      True

    • B. 

      False

  • 2. 
    The  causative organism for Strep tonsilitis and pharygitis is 
    • A. 

      Streptococcus pyogenes

    • B. 

      Streptococcus pneumoniae

    • C. 

      Streptococcus agalactiaea

  • 3. 
    All patients who report symptoms of Group A streptococcus should be tested
    • A. 

      True

    • B. 

      False

  • 4. 
    Choose all possible complications of Group A streptococcal infection
    • A. 

      Rheumatic fever

    • B. 

      Scarlet fever

    • C. 

      Glomerulonepohritis

    • D. 

      Endocarditis

    • E. 

      Sleeping

    • F. 

      Craving for food

  • 5. 
    Which of the following antibiotic is GAS sensitive to
    • A. 

      Nonomycin

    • B. 

      Bacitracin

    • C. 

      Levatryocin

  • 6. 
    Choose  all that applies characteristics of GAS
    • A. 

      Gram positive

    • B. 

      Gram negative

    • C. 

      Coccus

    • D. 

      Bacillus

    • E. 

      Growth in chain

    • F. 

      Growth in cluster

  • 7. 
    Choose all tests that can be used to detect GAS
    • A. 

      Rapid Immunochromatographic assay

    • B. 

      Rapid latex agglutination test

    • C. 

      Culture

    • D. 

      Wet mount

  • 8. 
    Choose all quality assessment to follow when collecting and performing a GAS specimen/test
    • A. 

      Patient can not touch their face

    • B. 

      Drink water before collecting specimen

    • C. 

      Do not drink or eat anything before collecting specimen

    • D. 

      Check expiration date

    • E. 

      Do not interchange reagents between kits

    • F. 

      Store at manufacturer recommended temperature

    • G. 

      Run controls on the test kit

    • H. 

      Run control on the agar plates

    • I. 

      Do not use cotton swab to collect specimen

    • J. 

      Cut out piece of throat tissue for use

    • K. 

      Blood agar is the agar of choice for inolation

    • L. 

      Chocolate agar is the agar of choice for inoculation

    • M. 

      Inoculated agar should be placed in a 5% to 10% CO2 environment

    • N. 

      Innoculated agar should be placed in ambient air incubator

    • O. 

      Agar stabbing can allow the hemolysis to be more visible

    • P. 

      Accurate timing of test is required

  • 9. 
    Invasive Streptococcus Pyogenes can cause necrotising fasciitis
    • A. 

      True

    • B. 

      False

  • 10. 
    The same noninvasive Group A strep that cause strep throat cause flesh eating disease
    • A. 

      True

    • B. 

      False

  • 11. 
    Using the latex agglutination method, bacteria from specimen or culture is inoculated with 
    • A. 

      Antibodies bound to latex

    • B. 

      Antigens bound to latex

    • C. 

      Just latex

    • D. 

      Answer option 4

  • 12. 
    Using the Lateral flow device (Immunochromatographic assay), the membrane contains 
    • A. 

      Strep antigen

    • B. 

      Antibody specific to strep

  • 13. 
    The internal control test be performed with a valid result during each patient sample
    • A. 

      True

    • B. 

      False

  • 14. 
    External controls should be ran at least for lot of kits, when using the immunochromatographic assay
    • A. 

      True

    • B. 

      False

  • 15. 
    Strep culture is usually performed first. If there is no bacteria growth on agar, the rapid Strep test can then be performed
    • A. 

      True

    • B. 

      False

  • 16. 
    Some Strep kits may not be as accurate if the number of bacteria in the throat are very low
    • A. 

      True

    • B. 

      False

  • 17. 
    Choose all sites that are usually passed with swab for a throat specimen to determine the presence of GAS
    • A. 

      Tonsils

    • B. 

      Back of the throat

    • C. 

      Fossae if tonsils are removed

    • D. 

      Cheeks

    • E. 

      Tongue