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Which bones form the pectoral girdle in the human skeleton?
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7. The Skeletal System
Introduction to the Skeleton
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Which of the following bones articulates with the acetabulum of the coxal bone?
A
Humerus
B
Fibula
C
Femur
D
Tibia
Guida verificata passo dopo passo1
Understand the anatomy of the coxal bone: The acetabulum is a cup-shaped depression located on the lateral side of the coxal bone. It serves as the socket for the hip joint.
Review the function of the acetabulum: The acetabulum articulates with the head of a specific bone to form the ball-and-socket joint of the hip, allowing for a wide range of motion.
Identify the bones listed in the problem: Humerus (upper arm bone), Fibula (lateral lower leg bone), Femur (thigh bone), and Tibia (medial lower leg bone).
Determine which bone fits the anatomical relationship: The femur has a rounded head that fits into the acetabulum, forming the hip joint. None of the other listed bones are anatomically connected to the acetabulum.
Conclude that the femur is the correct answer based on its articulation with the acetabulum to form the hip joint.
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