AXILLARY NERVE
Q. 1 Which of the following nerves innervates the deltoid muscle?
| A |
Axillary |
|
| B |
Dorsal scapular |
|
| C |
Long thoracic |
|
| D |
Suprascapular |
Q. 1
Which of the following nerves innervates the deltoid muscle?
| A |
Axillary |
|
| B |
Dorsal scapular |
|
| C |
Long thoracic |
|
| D |
Suprascapular |
Ans.
A
C
B
Explanation:
- The axillary nerve innervates the deltoid muscle, as well as provides sensation over the lateral part of the arm.
- The dorsal scapular nerve innervates the rhomboids and levator scapulae muscles.
- The long thoracic nerve innervates the serratus anterior. Injury to this results in winging of the scapula.
- The suprascapular nerve innervates the supraspinatus and infraspinatus muscle.
Q. 2
In deltoid paralysis, which nerve is involved :
| A |
Circumflex N |
|
| B |
Musculocutaneous N |
|
| C |
Axillary N |
|
| D |
Radial N |
Ans.
Explanation:
C. i.e. Axillary nerve
Q. 3
All are infraclavicular branches of brachial plexus except ‑
| A |
Ulnar nerve |
|
| B |
Long thoracic nerve |
|
| C |
Axillary nerve |
|
| D |
Thoracodorsal nerve |
Ans.
Explanation:
Ans. is `b’ i.e., Long thoracic nerve
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