Question
upstudy study bank question image url

Following an injury to his arm, a patient complains that he has no ser
the thumb, index finger, middle finger, and part of the ring finger. W
suspect to be damaged?
Ulnar nerve
Radial nerve
Axillary nerve
Median nerve
Musculocutaneous nerve

Ask by Pollard Savage. in the United States
Mar 21,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The Median nerve is likely damaged.

Solution

To determine which nerve may be damaged based on the symptoms described, let’s analyze the areas of sensation affected:
  1. Thumb, Index Finger, Middle Finger, and Part of the Ring Finger:
    • The Median nerve primarily innervates the sensation of the thumb, index finger, middle finger, and the lateral part of the ring finger. Damage to this nerve can lead to loss of sensation in these areas.
  2. Ulnar Nerve:
    • This nerve innervates the sensation of the medial part of the ring finger and the little finger. Damage here would affect the sensation in these areas, not the ones mentioned.
  3. Radial Nerve:
    • This nerve is responsible for the sensation in the back of the hand and the thumb. Damage would not typically affect the fingers mentioned.
  4. Axillary Nerve:
    • This nerve innervates the skin over the deltoid muscle and does not affect the fingers.
  5. Musculocutaneous Nerve:
    • This nerve primarily affects the sensation in the lateral forearm and does not impact the fingers mentioned.
Based on this analysis, the nerve that is most likely to be damaged, given the loss of sensation in the thumb, index finger, middle finger, and part of the ring finger, is the Median nerve.

Answered by UpStudy AI and reviewed by a Professional Tutor

error msg
Explain
Simplify this solution

Mind Expander

The symptoms you describe suggest that the median nerve might be the one damaged. The median nerve is primarily responsible for sensation in the thumb, index finger, middle finger, and part of the ring finger. When it’s injured, patients often report numbness or tingling in these specific areas, reflecting the nerve’s crucial role in hand function.
In real life, injuries to the median nerve can happen due to various reasons, including fractures of the humerus, wrist injuries, or even repetitive motion activities. Rehabilitation often involves physical therapy, and in some cases, surgical intervention is necessary to restore function and sensation. If you ever find yourself struggling with nerve injury—think of the amazing plasticity of the human brain that can help relearn movements and regain function over time!

Related Questions

Latest Medicine Questions

Try Premium now!
Try Premium and ask Thoth AI unlimited math questions now!
Maybe later Go Premium
Study can be a real struggle
Why not UpStudy it?
Select your plan below
Premium

You can enjoy

Start now
  • Step-by-step explanations
  • 24/7 expert live tutors
  • Unlimited number of questions
  • No interruptions
  • Full access to Answer and Solution
  • Full Access to PDF Chat, UpStudy Chat, Browsing Chat
Basic

Totally free but limited

  • Limited Solution
Welcome to UpStudy!
Please sign in to continue the Thoth AI Chat journey
Continue with Email
Or continue with
By clicking “Sign in”, you agree to our Terms of Use & Privacy Policy