AASM Manual Exam Questions and Correct Answers 2026/2027

AASM Manual Exam Questions and Correct Answers 2026/2027 What are the recommended derivations? - Correct Answer There are 3; (a)F4-M1; (b)C4-M1; (c)O2-M1 Where should backup electrodes be placed? Why? - Correct Answer They should be placed at F3, C3, and M2 to allow the display of F3-M2, C3-M2, and O1-M2 if the electrodes malfunction during the study. What are alternative and acceptable derivations? - Correct Answer There are 3; (a)F2-C2, (b)C2-O2, (c)C4-M1 Where should alternative backup electrodes be placed? Why? - Correct Answer They should be placed at Fpz, C3, O1, and M2 to allow substitution of Fz, C3 for Cz or C4, O1 for O2 and M2 for M1 if electrodes malfunction during study. What system is used for electrode positioning? Why? - Correct Answer 10-20 system; there is a minimum of 3 EEG derivations required in order to sample activity from the frontal, central, and occipital regions. What does "EOG" stand for? - Correct Answer Electro-Oculogram What does M1 and M2 refer to? - Correct Answer They refer to the left/right mastoid processes. What is the recommended EOG derivations? Where are they placed? - Correct Answer The recommended derivations are E1-M2 and E2-M1. E1-M2 is placed 1cm below the left-outer corner of the eye and E2-M1 is placed 1cm above the right-outer corner of the eye. What are the alternative and acceptable derivations for EOGs and where should they be placed? - Correct Answer E1-Fpz and E2-Fpz; E1-Fpz is placed 1cm lateral to the corner of the left eye and E2-Fpz is placed 1cm lateral to the corner of the right eye.