Aery forming anastomosis around the surgical neck of humerus is a branch of:-: (A) 1st pa of axillary aery, (B) 2nd pa of axillary aery, (C) 3rd pa of axillary aery, (D) Subclan aery
Answer is C. Aeries forming anastomosis around the surgical neck of humerus are anterior circumflex humeral aeries posterior circumflex humeral aeries Both are branches of 3rd pa of axillary aery.