Upper limb quiz 1 Flashcards
Which of the following nerves originates from the medial cord of the brachial plexus?
a. The nerve that supplies the pectoralis minor muscle
b. The nerve that supplies the teres major muscle
c. The nerve that supplies the teres minor muscle
d. The nerve that supplies the subclavius muscle
a. The nerve that supplies the pectoralis minor muscle
Which of the following groups of axillary lymph nodes is the first to receive all the lymph from the upper limb, with the exception of that carried by lymph vessels that accompany the cephalic vein?
a. Anterior
b. Posterior
c. Lateral
d. Central
c. Lateral
A 48-year-old female was diagnosed with a carcinoma (malignant tumor) of the right breast and underwent a radical mastectomy. After the surgery, the patient has been unable to fully abduct her right arm. When the patient is asked to push against a wall with both hands, the medial border and inferior angle of the right scapula protrude posteriorly. The nerve most likely affected in this patient during the surgical procedure …
a. Supplies a muscle that forms part of the anterior wall of the axilla
b. Contains fibers from the ventral rami of the C7, C8 and T1 spinal nerves
c. Supplies a muscle that forms part of the posterior wall of the axilla
d. Contains fibers from the ventral rami of the C5, C6 and C7 spinal nerves
d. Contains fibers from the ventral rami of the C5, C6 and C7 spinal nerves
All the following nerves contain fibers from the anterior divisions of the ventral rami of the spinal nerves that contribute to form the brachial plexus, EXCEPT the …
a. Musculocutaneous
b. Medial cutaneous nerve of the forearm
c. Thoracodorsal
d. Median
c. Thoracodorsal
Which of the following structures forms the anterior boundary of the apex of the axilla (cervicoaxillary canal)?
a. Posterior border of the clavicle
b. Lateral border of the 1st rib
c. Superior border of the scapula
d. Medial border of the 1st rib
a. Posterior border of the clavicle
Which of the following statements is true about the muscles innervated by the suprascapular nerve?
a. They insert into the lesser tubercle of the humerus
b. They perform abduction and medial rotation of the arm at the shoulder joint
c. They insert into the greater tubercle of the humerus
d. They perform adduction and lateral rotation of the arm at the shoulder joint
c. They insert into the greater tubercle of the humerus
The artery that passes through the quadrangular space …
a. Is a branch of the 3rd part of the axillary artery
b. Accompanies the suprascapular nerve
c. Is a branch of the 1st part of the axillary artery
d. Accompanies the thoracodorsal nerve
a. Is a branch of the 3rd part of the axillary artery
The radial nerve …
a. Is a terminal branch of the medial cord of the brachial plexus
b. Is a content of the triangular interval (lower triangular space)
c. Is a terminal branch of the lateral cord of the brachial plexus
d. Supplies the muscle that forms the inferior boundary of the quadrangular space
b. Is a content of the triangular interval (lower triangular space)
Which of the following muscles is NOT part of the rotator cuff of the shoulder joint?
a. The muscle that originates from the infraspinous fossa of the scapula
b. The muscle that inserts into the upper facet of the greater tubercle of the humerus
c. The muscle that originates from the middle one-third of the lateral border of the scapula
d. The muscle that inserts into the medial lip of the bicipital groove of the humerus
d. The muscle that inserts into the medial lip of the bicipital groove of the humerus
Which of the following statements is true about the muscles that form the posterior wall of the axilla?
a. They perform lateral rotation of the arm at the shoulder joint
b. They are innervated by branches of the posterior cord of the brachial plexus
c. They perform abduction of the arm at the shoulder joint
d. They are innervated by branches of the medial cord of the brachial plexus
b. They are innervated by branches of the posterior cord of the brachial plexus
