NEET PG DENTAL EXAM

HEAD NECK

TRIANGLES OF NECK

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This muscle name means attached to the sternum, clavicle, and mastoid process
A
sternocleidomastoid
B
deltoid
C
pectoralis major
D
biceps brachii
Explanation: 

Detailed explanation-1: -The sternocleidomastoid muscle is a two-headed neck muscle, which true to its name bears attachments to the manubrium of sternum (sterno-), the clavicle (-cleido-), and the mastoid process of the temporal bone (-mastoid).

Detailed explanation-2: -The clavicular head of sternocleidomastoid muscle is composed of fleshy and aponeurotic fibers, arising from the upper, frontal surface of the medial third of the clavicle and coursing almost vertically upward to unit with the sternal head of sternocleidomastoid muscle.

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