International 10-20 Quiz

10 Questions | Total Attempts: 296

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International 10-20 Quiz

Test your knowledge of the international 10-20 system!


Questions and Answers
  • 1. 
    If the measured circumference of a patient is 60cm what is the distance between Fpz and T4?
    • A. 

      15cm

    • B. 

      18cm

    • C. 

      21cm

    • D. 

      23cm

  • 2. 
    What electrode site is half way between T3 and T4?
    • A. 

      F4

    • B. 

      Cz

    • C. 

      Pz

    • D. 

      C3

  • 3. 
    If the measured distance from Nasion to Inion is 36cm what is the distance between Fpz and Fz?
    • A. 

      7.2cm

    • B. 

      6.8cm

    • C. 

      10.8cm

    • D. 

      8cm

  • 4. 
    If the measured distance between Fp1 and O1 is 32cm what is the distance from F3 to P3?
    • A. 

      13cm

    • B. 

      18cm

    • C. 

      15cm

    • D. 

      16cm

  • 5. 
    What electrode site is between Fp2 and T4?
    • A. 

      F4

    • B. 

      F8

    • C. 

      Fz

    • D. 

      P4

  • 6. 
    • A. 

      29cm

    • B. 

      27cm

    • C. 

      18cm

    • D. 

      35cm

  • 7. 
    If the measured distance between the left and right pre-auricular curves are 41cm what is the distance between C3 and C4?
    • A. 

      20.5cm

    • B. 

      14cm

    • C. 

      18.2cm

    • D. 

      16.4cm

  • 8. 
    What electrode site is between Pz and T6?
    • A. 

      T4

    • B. 

      P4

    • C. 

      O2

    • D. 

      T3

  • 9. 
    If the measured distance from F7 to F8 is 22cm what is the distance from Fz to F4?
    • A. 

      11cm

    • B. 

      6.5cm

    • C. 

      5.5cm

    • D. 

      4.4cm

  • 10. 
    What electrode site is between T3 and O1?
    • A. 

      F7

    • B. 

      P3

    • C. 

      C3

    • D. 

      T5