Appendicular Skeleton

The appendicular skeleton is composed of ___ bones.

• 120

• 206

• 150

• 126

Each shoulder girdle, or pectoral girdle consists of two bones, a clavicle and a ___.

• tibia

• scapula

• sternum

• carpal

The clavicle attaches to the ___ laterally.

• tibia

• scapula

• sternum

• carpal

The upper arm is formed by a single bone, the ___ , which is a typical long bone.

• humerus

• femur

• tibia

• fibula

Two bones, the ___ and the ulna, form the skeleton of the forearm.

• radius

• tibia

• fibula

• femur

The skeleton of the hand consists of the ___, the metacarpals, and the phalanges.

• tarsals

• metatarsals

• carpals

• fibula

___ carpal bones are arranged in two irregular rows of four bones each wrist.

• 5

• 6

• 4

• 8

Bearing weight is the most important function of this girdle, because the total weight of the upper body rests on the bony pelvis.

• True

• False

Each hip bone is formed by the fusion of three bones: the ilium, ischium, and pubis.

• True

• False

The ___, or thigh bone, is the only bone in the thigh.

• humerous

• femur

• radius

• ulna