Bowl practice test #3
Brachial Plexus Mastery Quiz
Test your knowledge on the anatomy and innervation of the brachial plexus with this comprehensive quiz! Dive into topics such as muscle innervation, nerve roots, and shoulder girdle attachments to enhance your understanding.
Features:
- Multiple choice questions
- Engaging content for students and professionals
- In-depth exploration of brachial plexus anatomy
What muscle does the posterior cord innervate?
Thoracodorsal nerve= latissimus dorsi, lower and upper subscapular nerve= subscapularis
Thoaracordorsal nerve= pectoralis major, lower and upper subscapular nerve= subscapularis
Compression site of the brachial plexus=
Anterior and posterior scalenes and pectoralis minor
Anterior and middle scalenes and pectoralis minor
Name the brachial plexus roots
C5, C6, C7, C8, T2
C5, C6, C7, C8, T5
C5, C6, C7, C8, T1
C5, C6, C7, C8, T8
Name 1 branch of the brachial plexus
Axillary, radial, musculocutaneous, ulnar, median
Axillary, radial, musculocutaneous, ulnar, maximum
Only bone attachment for the shoulder girdle of the trunk
Acromioclaviular
Sternoclavicular
What are the sections of the brachial plexus from the medial to lateral
Roots, trunks, divisions, cords, branches
Roots, trunks, divisions, cords, books
What inserts into the crest of the greater tubercle?
Pectoralis minor
Pectoralis major
Name 1 nerve that derived from the brachial plexus nerve roots -
Dorsal scapular nerve (levator scapula, rhomboid major, rhomboid minor), long thoracic nerve (serratus anterior)
Dorsal scapular nerve (levator scapula, rhomboid major, rhomboid minor), long thoracic nerve (pectoralis major)
What nerve innervates both the pectoralis major and minor?
Posterior pectoral nerve
Medial pectoral nerve
The cords are named in relation to what structure
Axillary vein
Axillary nerve
Axillary artery
Axillary ventricle
What provides stability to glenohumeral joint in conjunction with rotator cuff muscles?
Sacrum
Ilium
Labrum
What do the brachial plexus posterior divisions innervate?
Flexors, hand intrinsic muscles
Extensor muscles of the posterior arm
What do the brachial plexus anterior divisions innervate?
Flexors, hand and intrinsic muscles
Extensor muscles of the posterior arm
What inserts into the deltoid tuberosity?
Pectoralis major
Deltoid
Biceps brachii
Triceps brachii
The brachial plexus roots and trunks travel between 2 muscles?
Anterior scalenes and middle scalenes
Anterior scalenes and posterior scalenes
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