30 Questions
Which of the following is the main flexor muscle of the arm?
Brachialis
Which nerve is responsible for the flexion of the forearm, and what happens if it is damaged?
The musculocutaneous nerve. If damaged, flexion of the forearm is not fully lost.
Which artery is the terminal branch of the brachial artery?
Radial and ulnar arteries
Which muscle is attached to the coracoid process of the scapula?
Biceps brachii (short head)
Where is the median nerve located in the upper half of the arm?
Lateral to the brachial artery
Where is the brachial artery located in the lower half of the arm?
Crosses anteriorly to the median nerve
Which artery primarily supplies blood to the lateral part of the mammary gland?
Thoracoacromial branches of the axillary artery
Which group of lymph nodes receives lymphatic drainage from the deep surfaces of the breast?
Apical nodes
Which nerve innervates the sensory function of the breast?
Intercostal nerves
Which of the following is NOT a group of lymph nodes that receives drainage from the breast?
Inguinal lymph nodes
What is the primary function of Cooper's ligaments in relation to the mammary gland?
To firmly attach the mammary gland to the skin
Which of the following structures is responsible for draining lymph from the right side of the body, including the right breast?
Ductus lymphaticus dexter
Which artery is responsible for the anterior and posterior blood supply to the shoulder joint?
Axillary artery
Which muscle is primarily responsible for medial rotation of the shoulder joint?
Subscapularis
Which nerve is most commonly injured during a shoulder dislocation?
Axillary nerve
Which of the following muscles is NOT part of the rotator cuff?
Teres major
Which artery is primarily responsible for the blood supply to the mammary glands?
Internal thoracic artery
Which muscle is responsible for flexion of the shoulder joint?
Biceps brachii
Which lymph node group is responsible for draining lymph from the mammary glands?
Axillary lymph nodes
Which bursae is located between the deltoid muscle and the supraspinatus tendon?
Subacromial bursa
Which muscle is primarily responsible for abduction of the shoulder joint?
Deltoid (acromial)
What is the most common type of anterior shoulder dislocation?
Subcoracoid
Which of the following is NOT a function of the mammary glands?
Oxygen exchange
Which nerve, along with the axillary nerve, is commonly injured during a shoulder dislocation?
Musculocutaneous nerve
Which nerve innervates the pectoralis major muscle?
Medial pectoral nerve
What is the primary function of the pectoralis major muscle?
Adduction and medial rotation of the arm
Which muscle is responsible for pulling the scapula antero-inferiorly?
Pectoralis minor
What is the difference between the actions of the pectoralis major and latissimus dorsi muscles?
The pectoralis major pulls anteriorly, and the latissimus dorsi pulls posteriorly
Which structure does the clavicular head of the pectoralis major originate from?
Sternal half of the clavicle
Which ribs does the sternal head of the pectoralis major originate from?
2nd to 6th ribs
This quiz covers the anatomy of mammary glands including the suspensory ligaments, blood supply, sensory innervation, and lymphatic drainage. Test your knowledge on the structure and functions of the mammary glands.
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