Did you know...
that you can leave comments on most of the pages on FrontalCortex? Look for the "User Comments" boxes at the bottom of the page.

Time Course of EMG/NCS Findings

Topic: Pharmacology

Created on Tuesday, January 16 2007 by

Last modified on Thursday, January 25 2007.

Sadly, you suffer from a painful abscess. Your malevolent surgeon recommends general anesthesia for an incision and drainage.
When you awaken, he proudly announces, "Congratulations! I have successfully severed your T1 nerve roots as they exit the spinal cord!"
You are disgruntled.

On nerve conduction study, when will sensory nerve action potential amplitudes become abnormally low?

A) 7 to 10 days

B) Several months

C) 10 to 14 days

D) Never

E) Immediately

	= Go back to the top of the page.
	= Reload a different version of this question ().
	= Load a random question from the database.
	= Use this question as a template to create a totally NEW question.
	= Enter detailed rating for this question!
	= How users like you have rated this question.

This question was created on January 16, 2007 by .
This question was last modified on January 25, 2007.

ANSWERS AND EXPLANATIONS

A) 7 to 10 days

This answer is incorrect.

Sensory nerve action potentials (SNAPs) never become abnormal in lesions proximal to the dorsal root ganglion. (See References)


Please log in if you want to rate questions.

B) several months

This answer is incorrect.

Sensory nerve action potentials (SNAPs) never become abnormal in lesions proximal to the dorsal root ganglion. (See References)


Please log in if you want to rate questions.

C) 10 to 14 days

This answer is incorrect.

Sensory nerve action potentials (SNAPs) never become abnormal in lesions proximal to the dorsal root ganglion. (See References)


Please log in if you want to rate questions.

D) never

This answer is correct.

Sensory nerve action potentials (SNAPs) never become abnormal in lesions proximal to the dorsal root ganglion. (See References)


Please log in if you want to rate questions.

E) immediately

This answer is incorrect.

Sensory nerve action potentials (SNAPs) never become abnormal in lesions proximal to the dorsal root ganglion. (See References)


Please log in if you want to rate questions.

References:

1. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia.
2. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh.
3. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore.


Please log in if you want to rate questions.

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
pharmacology
Time Course of EMG/NCS Findings
Question ID: 01160700
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 01/16/2007
Modified: 01/25/2007
Estimated Permutations: 0

User Comments About This Question:

0 user entries

Please log in if you'd like to add a comment.