RPSGT Exam Pret 2024/2025 | Over 700 Questions and Correct
Answers With Complete Verified Solutions. !00% Correct|
Latest Update. 100%.
What part of the brain generates EEG waveforms?
The thalmus
What cells do we collect electrical activity data from
Pyramidal cells
What is the resting potential for pyramidial cells
-60 to -80 uv
What is a capacitor
something that stores and electrical charge
What is an A to D converter
Analog to digital converter
What does the DC amplifier do
processes relatively constant or slowly fluctuating voltage
i.e: oximetry
What does the AC amplifier do
processes relatively fast signal frequency
i.e: EEG, EOG, ECG
What amplifier precesses common mode rejection
AC amplifier
*also called the differential amplifier
What electrode is ALWAYS your exploring electrode
input 1
Input 2 is used as your reference electrode, what electrodes are referred to as your reference
electrode?
M1 & M2
What electrodes are considered exploring electrodes
F3,F4,C3,C4,O1,O1
What k ohms is a desired impedence level
,5 k ohms
how does common mode rejection work
common frequencey is rejected and only the different frequencies are displayed
Input voltage from C4 is at 53 uv. The input voltage of M1 is 76 uv, what is the output voltage
-23uv
When a patient looks down, what will the tracing show
The tracing will spike up
When the patient looks left what direction will the tracing be
An upward spike
What is the general rule for the sampling rate
The faster the sampling rate the more accurate the tracing
What is the HFF set at for seizure activity
70 Hz
The video card is set at what resolution
1600x1200
What are the digital resolution settings
12 bits per sample minimum resolution of 4096 data points determined by ADC
What is the nyquist principle
The sampling rate must be at least TWICE AS FAST AS THE FASTEST FREQUENCY that will be recorded
What does electrical equipment need to be plugged into
an isolator transformer
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 LectDan. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
