Eeg Mock Exam

Which is necessary to calculate the voltage of an EEG wave: a. Montage and deflection (mm) b. Sensitivity (µV/mm) and deflection (mm) c. Deflection (mm) and voltage (µV) d. Sensitivity (µV/mm) and gain - Answer- B A weakness or paralysis of the muscles on one side of the face, which may cause impaired taste, is a characteristic of: a. Complicated migraines b. Bell's Palsy c. Damage to cranial nerve III d. Damage to cranial nerve XI - Answer- B Which describes the action of a capacitor: a. Opposes changes in current flow b. Converts alternating current to direct current c. Creates a direct current resistance d. Stores electrical energy - Answer- D Which of the following statements about current is false: a. Current may be AC or DC b. Current flows when there is a source of voltage and a conductive pathway c. Current is movement of electrons in a conductor d. Current is measured in coulombs - Answer- B What input voltage is necessary to give a calibration deflection between 5 and 10mm if the sensitivity is 30µV/mm: a. 10µV b. 50µV c. 100µV d. 200µV - Answer- D Rhomberg's sign is: a. Inability to feel pain b. Flexing of the feet c. Inability to stand with eyes closed d. Complications from an epidural - Answer- C An 8 year old child is referred for an EEG because of 2 nocturnal seizures. The EEG shows spikes during drowsiness and sleep at T3, C3, T4, and C4. The child has: a. Atonic seizures b. Benign focal epilepsy c. Complex partial seizures d. JME - Answer- B