Leptospirosis Exam (Exam Mode) By Rnpedia.Com

15 Questions | Total Attempts: 849

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Leptospirosis Exam (Exam Mode) By Rnpedia.Com - Quiz

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Questions and Answers
  • 1. 
    Which of these is not an alternative name for Leptospirosis?    
    • A. 

      Icterohemorrhagic fever

    • B. 

      Rice-field fever

    • C. 

      Mud fever

    • D. 

      Cattle fever

  • 2. 
     Leptospirosis in human rarely occurs through:  
    • A. 

      Direct contact with contaminated animal urine

    • B. 

      Indirect contact with contaminated animal urine

    • C. 

      Contact with contaminated human urine

    • D. 

      Contact with contaminated soil

  • 3. 
    Which of these groups is at increased risk of Leptospirosis?
    • A. 

      Swimmers

    • B. 

      Sewer workers

    • C. 

      Farmers

    • D. 

      All the above

  • 4. 
    Incubation period for leptospirosis is:
    • A. 

      2 - 6 days

    • B. 

      2 - 16 days

    • C. 

      2 - 26 days

    • D. 

      2 - 36 days

  • 5. 
    Ocular manifestations common in anicteric leptospirosis are:  
    • A. 

      Conjunctival suffusion

    • B. 

      Retro orbital pain

    • C. 

      Photophobia

    • D. 

      All the above

  • 6. 
    Leptospirosis disease is maintained in infected animals by:  
    • A. 

      Chronic infection of renal tubules

    • B. 

      Chronic infection of intestinal tract

    • C. 

      Chronic infection of blood

    • D. 

      Chronic infection of cerebrospinal fluid

  • 7. 
    Which of these statements is not true with regard to leptospires?  
    • A. 

      They are straight spirochetes

    • B. 

      They are obligate aerobes

    • C. 

      Optimum growth temperature is 28-300 C

    • D. 

      May be stained using carbol fuchsin counterstain

  • 8. 
     In humans leptospires can be detected in:  
    • A. 

      Urine

    • B. 

      Blood

    • C. 

      Cerebrospinal fluid

    • D. 

      All of the above

  • 9. 
     Which of these is not true regarding laboratory findings in anicteric phase of Leptospirosis?  
    • A. 

      Erythrocyte sedimentation rate (ESR) is reduced

    • B. 

      White blood cells (WBC) range from below normal to moderately elevated

    • C. 

      Aminotransferases are elevated

    • D. 

      Alkaline phosphatases are elevated

  • 10. 
    How many days after infection with leptospires do the urine cultures become positive?    
    • A. 

      First week of illness

    • B. 

      Second week of illness

    • C. 

      Third week of illness

    • D. 

      Fourth week of illness

  • 11. 
    For isolation of leptospires, blood culture should be taken:  
    • A. 

      As soon as possible after patient’s presentation

    • B. 

      Second week after patient’s presentation

    • C. 

      Third week after patient’s presentation

    • D. 

      Fourth week after patient’s presentation

  • 12. 
    Cultures for leptospires should be examined for how many weeks before being discarded?  
    • A. 

      Upto 3 weeks

    • B. 

      Upto 7 weeks

    • C. 

      Upto 11 weeks

    • D. 

      Upto 13 weeks

  • 13. 
    Antibodies in blood can be detected how many days after onset of symptoms?
    • A. 

      1 - 2 days

    • B. 

      5 - 7 days

    • C. 

      9 - 11 days

    • D. 

      13 - 15 days

  • 14. 
    Antibiotic given to prevent leptospirosis is:  
    • A. 

      Doxycycline

    • B. 

      Ampicillin

    • C. 

      Penicillin

    • D. 

      Erythromycin

  • 15. 
    Anicteric leptospirosis is treated with:  
    • A. 

      Doxycycline 100 mg bid

    • B. 

      Ampicillin 500-750 mg bid

    • C. 

      Amoxicillin 500 mg bid

    • D. 

      Any of the above

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