MSS Dissections Flashcards
(7 cards)
The X-ray reveals a fracture of the surgical neck of humerus, indicated by the black arrow. Given the location of the fracture, what neurovascular structures are most likely damaged in this patient?
Posterior circumflex humeral artery, axillary nerve
Lie against posterior aspect of surgical neck as they pass into quadrangular space of shoulder
The anteroposterior (AP) X-ray depicts a humeral mid-shaft fracture in a patient slightly distal to the radial groove. Given the location of the fracture, which of the following structures are most likely damaged?
Radial nerve, profunda brachii (deep brachial) artery
Pass through triangular interval
Emerge from radial groove in a bundle tightly wrapped around body of humerus
Anterior axillary fold is formed by which muscle?
Pectoralis major
Which of the following structures pierce through the clavipectoral fascia between the clavicle and pectoralis minor muscle?
Thoracoacromial artery, cephalic vein, medial pectoral nerve
Thoracoacromial artery, cephalic vein, lateral pectoral nerve
Anterior circumflex humeral artery, cephalic vein, medial pectoral nerve
Anterior circumflex humeral artery, cephalic vein, lateral pectoral nerve
Thoracoacromial artery, cephalic vein, lateral pectoral nerve
Axillary artery runs from the the lateral border of rib 1 to the inferior border of the teres major muscle. Which structure is used as a landmark to divide the axillary artery into three parts?
Pectoralis minor
Which of the following nerve, originating from the brachial plexus, innervates the biceps brachii muscle, and gives off a sensory branch that innervates the skin of the lateral forearm?
Axillary N.
Radial N.
Median N.
Ulnar N.
Musculocutaneous N.
Musculocutaneous N.
The musculocutaneous nerve innervates the three muscles of the anterior compartment of the arm. It pierce the … muscle and descends between the … and . It then terminates as the …
Coracobrachialis
Biceps brachii
Brachialis
Lateral cutaneous nerve of forearm
