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Multiple Choice
Which bones compose the pectoral girdle?
A
Clavicle and scapula
B
Sternum and clavicle
C
Humerus and scapula
D
Clavicle and humerus
Verified step by step guidance
1
Understand the anatomical location and function of the pectoral girdle. It is part of the appendicular skeleton and serves as the attachment point for the upper limbs.
Identify the bones that are part of the pectoral girdle. The pectoral girdle consists of two main bones: the clavicle and the scapula.
Review the function of the clavicle, which is a long bone that serves as a strut between the shoulder blade and the sternum, providing support and stability.
Examine the scapula, which is a flat bone located on the posterior side of the rib cage, playing a crucial role in shoulder movement and stability.
Eliminate incorrect options by understanding that the sternum, humerus, and other bones mentioned are not part of the pectoral girdle. The sternum is part of the thoracic cage, and the humerus is the upper arm bone.