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Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.

Poll: The following statements concerning this patient are correct except which?
A diagnosis of damage to the upper part of the brachial plexus (Erb-Duchenne palsy) was made
A lesion of the fifth and sixth cervical roots of the brachial plexus was present
The median radial ulnar nerve was made functionless
The supraspinatus, infraspinatus, subclavius, biceps brachii, greater part of the brachialis, coracobrachialis, deltoid, and teres minor were paralyzed
The loss of sensation down the lateral side of the right arm was caused by the lesion involving the fifth and sixth cervical dermatomes
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Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
Master Offline
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s Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
A 20-year-old man, riding pillion on a snowmobile, was involved in an accident. The machine was traveling at high speed when it hit a tree stump buried in snow. The man was thrown 12 ft. and landed on his right shoulder and the right side of his head. After 3 weeks of hospitalization, it was noticed that he kept his right arm internally rotated by his side with the forearm pronated. An area of anesthesia was present along the lateral side of the upper part of the arm.

The following statements concerning this patient are correct except which?

a) A diagnosis of damage to the upper part of the brachial plexus (Erb-Duchenne palsy) was made.

b) A lesion of the fifth and sixth cervical roots of the brachial plexus was present.

c) The median radial ulnar nerve was made functionless.

d) The supraspinatus, infraspinatus, subclavius, biceps brachii, greater part of the brachialis, coracobrachialis, deltoid, and teres minor were paralyzed.

e) The loss of sensation down the lateral side of the right arm was caused by the lesion involving the fifth and sixth cervical dermatomes.
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04-25-2011 03:57 PM
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go4doc2016 Offline
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RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
he answer for this question would be C. The radial nerve would not lose its function as its a derivative of C7 not C5-6.
05-14-2011 11:55 AM
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johndoe Offline
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RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
(05-14-2011 11:55 AM)go4doc2016 Wrote:  he answer for this question would be C. The radial nerve would not lose its function as its a derivative of C7 not C5-6.

lol, def not the answer, upper truck is the correct answer (A)
07-03-2011 01:45 AM
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sandeeprajpandey Offline
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RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
(04-25-2011 03:57 PM)Master Wrote:  A 20-year-old man, riding pillion on a snowmobile, was involved in an accident. The machine was traveling at high speed when it hit a tree stump buried in snow. The man was thrown 12 ft. and landed on his right shoulder and the right side of his head. After 3 weeks of hospitalization, it was noticed that he kept his right arm internally rotated by his side with the forearm pronated. An area of anesthesia was present along the lateral side of the upper part of the arm.

The following statements concerning this patient are correct except which?

a) A diagnosis of damage to the upper part of the brachial plexus (Erb-Duchenne palsy) was made.

b) A lesion of the fifth and sixth cervical roots of the brachial plexus was present.

c) The median radial ulnar nerve was made functionless.

d) The supraspinatus, infraspinatus, subclavius, biceps brachii, greater part of the brachialis, coracobrachialis, deltoid, and teres minor were paralyzed.

e) The loss of sensation down the lateral side of the right arm was caused by the lesion involving the fifth and sixth cervical dermatomes.
thanxs
09-02-2011 06:07 AM
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sunnysingh Offline
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Post: #5
RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
answer is a
04-26-2012 03:33 AM
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awahab Offline
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Post: #6
RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
The answer is : a)
04-30-2012 01:36 PM
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medicalman Offline
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RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
ans is a Arrow u (2)
09-04-2012 02:02 PM
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laxman Offline
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RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
Thak u so much
11-03-2012 02:11 AM
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yeisa Offline
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Answer RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
the answer is c
11-12-2012 04:48 PM
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Mehnaz Offline
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Post: #10
RE: Clinical Anatomy Upper Limb USMLE MCQ: Nerve injury of the brachial plexus.
a...............................................
12-03-2012 09:17 AM
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