1. Pectoralis Major:
A. Is the only m supplied by all 5 segments of the brachial plexus
B. Is a lateral rotator of the arm
C. Arise only from clavicle, sternum & upper 6 costal cartilages
D. Formed the lower border of clavipectoral fascia
E. All of the above
2. Clavipectoral fascia is NOT pierced by:
A. Lymphatics from infraclavicular lymph nodes draining to apical lymph nodes
B. Cephalic vein
C. Medial pectoral nerve
D. Thoracoacromial artery
E. None of the above
3. Which of the following regarding Pectoralis minor is INCORRECT?
A. It forms the inferior border of clavipectoral fascia
B. It lies lateral to the 1st part of axillary artery
C. It lies anterior to the trunks of the brachial plexus
D. It is pierced by the medial pectoral nerve
E. Both medial & lateral pectoral nerves supply it.
4. Latissimus Dorsi:
A. Forms the posterior axillary fold
B. Acts with pectoralis major to adduct the arm
C. Its lateral border form a border of the lumbar triangle
D. It is supplied by the thoracodorsal nerve (C6,7,8)
E. All of the above
5. Sternoclavicular joint:
A. Articular surfaces are covered by hyaline cartilage
B. Contains a complete fibrocartilaginous articular disc
C. Posterior dislocation is more common than anterior dislocation
D. Is supplied by lateral supraclavicular nerve
E. Chief stability factor is the fibrous capsule
6. When one falls on an outstretched hand, the line of force does NOT transmit through:
A. Glenoid cavity
B. Acromioclavicular joint
C. Clavicle
D. Costoclavicular ligament
E. All of the above
7. Acromioclavicular joint:
A. Joint surface is covered by hyaline cartilage
B. Joint cavity contains complete fibrocartilaginous disc
C. Primary movement is elevation & depression of the clavicle
D. It is supplied by the medial supraclavicular nerve
E. Chief stability factor is the coracoclavicular ligament
8. Posterior wall of the axilla is NOT composed of:
A. Clavipectoral fascia
B. Tendon of the latissimus dorsi
C. Teres Major
D. Subscapularis
E. All of the above
9. Which of the following regarding axillary artery is FALSE?
A. It is enclosed in an axillary sheath (extension of the prevertebral fascia)
B. 3rd part is clasped by the 2 heads of the median nerve
C. It lies medial to the axillary vein in its course in the axilla
D. Its lateral thoracic branch is the chief arterial supply to the breast in female
E. Its posterior circumflex humeral branch passes through the quadrangular space
10. Axillary vein:
A. Is formed by the confluence of basilic, brachial & cephalic veins
B. Lies medial to axillary artery in its course in the axilla
C. Is enclosed in the axillary sheath
D. Have the same tributaries as the axillary arteries
E. All of the above
11. Brachial plexus:
A. The roots lie between scalenus anterior & scalenes medius
B. Its trunks divide into anterior & posterior divisions behind the clavicle
C. Cords form at the outer border of 1st rib
D. The cords give off branches lateral to the pectoralis minor
E. All of the above
12. Which of the following structure pierces the coracobrachialis?
A. Radial nerve
B. Median nerve
C. Ulnar nerve
D. Musculocutaneous nerve
E. Axillary nerve
13. Which of the following lies on top of the ulnar nerve in the axilla?
A. Medial cutaneous nerve of the arm
B. Medial cutaneous nerve of the forearm
C. Medial pectoral nerve
D. Musculocutaneous nerve
E. All of the above
14. Chief arterial supply of the female breast is from:
A. Lateral thoracic artery
B. Internal thoracic (mammary) artery
C. 2nd & 3rd intercostal arteries
D. Thoracoacromial arteries
E. Lateral pectoral artery
15. Which of the following is NOT a rotator cuff
muscle?
A. Supraspinatus
B. Infraspinatus
C. Teres minor
D. Teres major
E. Subscapularis
16. Which of the following regarding Teres minor is FALSE?
A. It is enclosed within the infraspinatus fascia
B. It is supplied by the posterior branch of the axillary nerve (C5,6)
C. It inserts into the lesser tuberosity of the humerus
D. It acts as the lateral rotator of the shoulder joint
E. All of the above
17. Inferior stabilizing factor in the abducted shoulder joint include:
A. Coracoacromial arch
B. Long head of biceps
C. Rotator cuff
D. Long head of triceps
E. All of the above
18. Shoulder Joint:
A. Sub acromial bursa communicates with the shoulder joint
B. Surface area ratio of humeral head: glenoid cavity is 3:1
C. Supraspinatus & deltoid are responsible for the abduction of the joint to 90o
D. Subscapularis & Teres minor are responsible for medial rotation
E. All of the above
19. The medial intermuscular septum is pierced by:
A. Ulnar nerve
B. Radial nerve
C. Median nerve
D. Profunda brachii artery
E. All of the above
20. In the anterior compartment of the arm
A. Muscles are supplied by the median nerve
B. Median nerve travels posterior to the brachial artery
C. Brachial artery gives rise to the superior ulnar collateral artery, which pierces the medial intermuscular septum with ulnar nerve
D. Profunda brachii supplies the muscles
E. All of the above
ANSWERS:
1.A 2.C 3.C 4.E 5.B 6.B 7.E 8.A 9.C 10.B 11.E 12.D 13.B 14.A 15.D 16.C 17.D 18.C 19.A 20.C
