Question

1. The axillary sheath is derived from:
(a) Investing layer of deep cervical fascia
(b) Pretracheal fascia
(c) Prevertebral fascia
(d) Deep fascia of the axilla​

Answer 1

Answer:

Prevertebral fascia

Explanation:

The axillary sheath is a fibrous sheath that encloses the axillary artery and the three cords of the brachial plexus to form the neurovascular bundle. It is surrounded by the axillary fat. It is an extension of the prevertebral fascia of the deep cervical fascia.