Question

Which one of the following statements is true?

• A. Head of humerus articulates with acetabulum of the pectoral girdle.
• B. Head of humerus bone articulates with the glenoid cavity of the pectoral girdle
• C. Head of humerus articulates with a cavity called acetabulum of the pelvic girdle
• D. Head of humerus articulates with a glenoid cavity of the pelvic girdle.

Answer 1

The correct option is B

Head of humerus bone articulates with the glenoid cavity of the pectoral girdle

Head of humerus bone articulates with the glenoid cavity of pectoral girdle. This articulation results in the formation of ball and socket joints, e.g., ball and socket joints present in shoulder while other statement are incorrect.