1. In a subclavian artery block at outer border of first rib, all of the following arteries help in maintaining the circulation to upper limb except:
a. Subscapular artery.
b. Superior thoracic artery.
c. Thyrocervical trunk.
d. Suprascapular artery.
Scapular anastomosis between
1st part of Subclavian and 3rd part of Axillary arteries
Axillary artery -divided by pectoralis minor into 3 parts
Branches:
1st part- one-----> Superior Thoracic artery
2nd part- two -----> Thoraco-acromial artery
Lateral thoracic artery
3rd part- three -----> Subscapular artery.
Anterior circumflex humeral a.
Posterior circumflex humeral a.
Mnemonic: She Tastes Like Sweet Apple Pie.
Subclavian Artery- divided by scalenus anterior into 3 parts:
Branches:
1st part: ---> Vertebral artery
Internal Thoracic
Thyrocervical trunk---->3 branches --Inferior thyroid,
Transverse (sup) cervical,
Suprascapular
2nd part----> Costocervical trunk---->2 br-- Superior intercostal a.
Deep cervical a.
3rd part-----> No branch ( occ dorsal scapular a. or suprascapular)
Mnemonic: VITamin C & D
Very Tired Individuals Sip Strong Coffee Served Daily:
Vertebral artery
Thyrocervical trunk
---Inferior thyroid
---Superficial cervical
---Suprascapular
Costocervical
---Superior intercostal
---Deep cervical
 |
| Axillary- branches |
Answer: b. Superior thoracic artery
0 comments:
Post a Comment