ABRET Exam part2| 100 Questions| With Complete Solutions

Calibration is required a. at the start of the recording b. at the end of the recording c. at the start and end of the recording d. only when Sensitivity changes are made during the recording correct answer: c. at the start and end of the recording Duration is measured in a. Hertz b. Millimeters c. Microvolts d. Milliseconds correct answer: d. Milliseconds If the duration of a wave is .2 seconds the frequency would be? a. 1 Hz b. 2 Hz c. 5 Hz d. 10 Hz correct answer: c. 5 Hz Which LF would best demonstrate focal delta activity appearing in the left fronto-temporal region? a. 5 Hz b. 3 Hz c. 1 Hz d. .3 Hz correct answer: d. .3 Hz Which filter would most attenuate focal delta activity? a. LF 5 Hz b. LF .3 Hz c. HF 70 Hz d. HF 15 Hz correct answer: a. LF 5 Hz A sharp wave has a duration of a. 200 ms b. 70 -200 ms c. 70 ms d. 20 ms correct answer: b. 70 -200 ms If the duration of a wave is 400ms, what is the frequency? a. .4 Hz b. 2.5 hz c. 4 Hz d. 6.26 Hz correct answer: b. 2.5 hz The _______ states that you must sample at a rate that is at least twice the frequency of the fastest waveforms you want to resolve.