Exam (elaborations)
ABRET Board Exam (Latest Update 2023 – 2024) Questions With Verified Answers Graded A
- Course
- Institution
ABRET Board Exam (Latest Update 2023 – 2024) Questions With Verified Answers Graded A
[Show more]
Content preview
ABRET Board Exam (Latest Update 2023 – 2024)Questions With Verified Answers Graded A
The basic unit for measuring current flow is
A. atomic weight
B. Coulomb
C. Volt
D. Ampere - D. Ampere
The basic unit of resistance
A. Ohm
B. Coulomb
C. Ampere
D. Volt - A. Ohm
Which of the following is not a valid expression of Ohm's law?
A. R=EI or (R=VI)
B. E=IR or (V=IR)
C. I= E/R or (I=V/R)
D. R= E/I or (R= V/I) - A. R=EI or (R=VI)
Which of the following is not a unit for measuring alternating
frequencies
A. Cycles per second
B. Volts
C. Hertz
D. Kilocycles - B. Volts
Which of the following 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 energy - D. Stores energy
A circuit that allows some frequencies to pass through it, while others
are blocked is a...
A. Resistor
,B. Transistor
C. Filter
D. Reactor - C. Filter
A combination of electronic components designed to increase the
power, voltage, or current of a signal
A. Amplifier
B. Line filter
C. Master gain control
D. Sensitivity - A. Amplifier
A small fluctuating output recorded by the EEG instrument even when
there is no input signal is called...
A. output voltage
B. Linear Distortion
C. 60Hz interferance
D. Noise - D. Noise
The EEG amplifier is designed so that when input 1 is more negative
than input 2 the deflection will be...
A. downward
B. upward
C. absent
D. sinusoidal - B. Upward
Common mode rejection is...
A. The ability of an amplifier to cancel out ECG artifact
B. The characteristics of an amplifier that rejects external
interference
C. is dependent on the sampling rate
D. Controlled by the 60- cycle notch filter - B. The characteristics of an
amplifier that rejects external interference
Which of the following is most attenuated by a low frequency filter of 1
Hz
A. 0.5 Hz
B. 5.0 Hz
C. 10.0 Hz
, D. 0.1 Hz - D. 0.1 Hz
Time constant is defined as the time required...
A. for the deflection to fall (decay) to 47% of the peak deflection
B. for the deflection to fall (decay) 57% of the peak deflection
C. for the deflection to fall (decay) 67% of the peak deflection
D. for the deflection to fall (decay) to 67% of the peak deflection - D.
for the deflection to fall (decay) to 67% of the peak deflection
An EEG record has 3/sec spike & wave discharges. Both the spike and
the slow wave have voltages of 100uV. If this discharge is recorded
with a LFF of 5Hz and a sensitivity of 10uV/mm, what would be the
deflection of the spike and the wave?
a. spike 10mm & wave 6mm
b. spike 6mm & wave 10mm
c. spike 10mm & wave 10mm
d. spike 6mm & wave 6mm - a. spike 10mm & wave 6mm
A high frequency setting of 35 Hz would attenuate 50 Hz muscle
activity by approximately what percentage
A. 10%
B. 20%
C. 40%
D. 100% - C. 40%
The filters creating a very narrow band pass that should rarely be used
clinically are
A. LF 5.0 Hz and HF 70 Hz
B. LF 5.0 Hz and HF 15 Hz
C. LF 0.1 Hz and HF 70 Hz
D. LF 0.1 Hz and HF 15 Hz - B. LF 5.0 Hz and HF 15 Hz
During the recording of cerebral activity, the calibration input voltage
is changed from 50 uV to 100 uV. What will be the result?
A. No effect on the activity being recorded
B. A two fold increase in amplitude
C. A one half reduction of amplitude
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Boffin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72964 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now