q.2__________? - sarim

[ArchivalUser]

A patient presents with paresthesia on the medial side of one hand and forearm accompanied by a diminution of the radial pulse. He undergoes surgery to relieve the compression causing these symptoms. During the procedure, the anterior scalene muscle is incised. Which of the following nerves is most in danger of injury during this procedure?

A. Phrenic nerve
B. Recurrent laryngeal nerve
C. Superior laryngeal nerve
D. Suprascapular nerve
E. Vagus nerve

[ArchivalUser]

aa

[ArchivalUser]

aa
anterior scalene muscle supplied by ventral ramus of c5 c6..........

[ArchivalUser]

"A" is correct

Note that The subclavian vein and phrenic nerve pass anteriorly to the anterior scalene as the muscle crosses over the first rib.

http://web.uni-plovdiv.bg/stu1104541018/...PA6PK2.jpg