Anatomy: Axial Skeleton

Which bone is not a part of the orbit?

nasal

These are major sites of muscle attachment on the femur.

greater and lesser trochanters

The __________ , or "knee cap," is a sesamoid bone that is found within the quadriceps tendon.

Patella

This bone is commonly called the kneecap.

Patella

The __________ girdle attaches the upper limb to the axial skeleton.

Pectoral

Name the bone or bones of the forearm.

Radius and Ulna

Which of these curvatures on the spine are NOT present at birth but develop later?

The entire spine is posteriorly convex at birth. The cervical and lumbar areas develop their posteriorly concave shape later.

These fossae of the scapula contain muscles that stabilize the shoulder.

infraspinous fossa, subscapular fossa, and supraspinous fossa

The ________ is a median posterior projection arising at the junction of two laminae of the vertebral body.

spinous process

The medial end of the clavicle articulates with the ________.

sternum

Intervertebral discs are absent between these vertebrae.

Atlas and Axis

The thoracic cage includes all of the bones below except the ________.

Clavicles

You are studying a pelvis that is wide and shallow. The acetabula are small and far apart. The pubic arch/angle is rounded and greater than 90°. It appears to be tilted forward, with a wide, short sacrum. Is this a male or a female pelvis? __________

female

The strongest, heaviest bone of the body is in the thigh. It is the __________.

femur

Name the large bone or bones of the thigh.

Femur

The ________ of the scapula receives the humerus.

Glenoid Cavity

Which statement about the pectoral girdle is false?

Its bones attach to each other and to the axial skeleton.

The leg bones articulate with this ankle bone and transfer weight to the foot.

Talus

Extension (or straightening) of the elbow stops when the proximal end of the ulna engages the ________.

olecranon fossa of the humerus

The __________ of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

Body

On which bone is the greater sciatic notch located?

The greater sciatic notch is located along the posterior border of the ilium between the posterior inferior iliac spine and the ischial spine.

The foramen magnum is located in which bone of the skull?

Occipital

How many bones are found in the arm or brachial region?

1

The __________ vertebrae articulate with the corresponding ribs.

Thoracic

This primary curvature of the spine is located in the chest region.

Thoracic

The axial skeleton can be divided into the skull, the vertebral column, and the __________.

Thoracic Cage

This bone bears the medial malleolus.

Tibia

The fingers of the hand and the toes of the foot—with the exception of the great toe and the thumb—each have three phalanges.

True

This facial bone forms part of the nasal septum.

Vomer

The hip (coxal) bones articulate with each other at the ________.

pubic symphysis