Exam (elaborations)
Cnim Sseps Questions And Answers With Verified Solutions Already Passed!!!
- Course
- Institution
Cnim Sseps Questions And Answers With Verified Solutions Already Passed!!!
[Show more]
Content preview
Cnim Sseps Questions And AnswersWith Verified Solutions Already
Passed!!!
When looking at the grid for sensorimotor mapping, which way are the waves
going to detect motor vs sensory? - ANSWER✔✔ Strip is on motor if all waves
start downward
strip is on sensory if all waves start up
What nerve should be stimulated with localization of sensorimotor cortex? -
ANSWER✔✔ Median nerve contralateral to the side being exposed
Where is the sensory strip located? - ANSWER✔✔ post central gyrus
What are 4 characteristics of epidural SSEP electrodes? - ANSWER✔✔ unaffected
by anesthesia, recorded at fast rates, placed by surgeon, all or nothing repsonse
What is neurotoxicity? and how is it prevented? - ANSWER✔✔ exposure to a toxic
chemical, you protect against by using platinum iridium electrodes, other types of
metal become toxic when they have current running through them
What are the 2 propogated potentials? And where do you see changes? -
ANSWER✔✔ Erbs and PF- changes in latency NOT in amplitude
What are the 2 stationary potentials? And where do you see changes? -
ANSWER✔✔ N13 and LP- changes in amplitude NOT latency
, What does supra maximal mean? - ANSWER✔✔ stim intensity; all the axons are
depolarized, the response isnt going to get any bigger
What can changes in SSEPs post incision be from? - ANSWER✔✔ light anesthesia
What does it mean if you see an increase in ALL absolute latencys (Erbs and PF
too) - ANSWER✔✔ not surgical error, its cold limb, decreased BP, ect
If there is a dorsal column lesion, how do the PF and Erbs respond? - ANSWER✔✔
They are normal
What is a motor threshold? - ANSWER✔✔ Minimum stimulus intensity that
results in a twitch in appropriate muscle group
Which columns are associated with SSEPs? - ANSWER✔✔ Dorsal columns- touch,
proppriception
What is the medulla oblongata also called? - ANSWER✔✔ The metencephalon
The anterior horn of the spinal cord is related to what type of neurons? -
ANSWER✔✔ Motor neurons
The posterior horn of the spinal cord is related to what type of neurons? -
ANSWER✔✔ Sensory neurons
Which artery supplies 2/3 of the spinal cord? - ANSWER✔✔ Anterior Spinal Artery
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79650 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now