Question

The forearms and lower legs each contain two bones running roughly parallel to each other. In the forearms, these two bones are the _____________, and in the lower legs, these two bones are the ____________.
A) femur and patella; humerus and clavicle
B) humerus and clavicle; femur and patella
C) tibia and fibula; radius and ulna
D) radius and ulna; tibia and fibula

Answer 1

The forearms and lower legs each contain two bones running roughly parallel to each other. In the forearms, these two bones are the radius and ulna, and in the lower legs, these two bones are the tibia (the shinbone) and fibula.

The radius corresponds to the tibia and the ulna to the fibula.