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A&P Ch7 Skeletal
Axial Skeletal System
Question | Answer |
---|---|
How many bones does the appendicular skeleton have? | 126 bones |
How many bones does the axial skeleton have? | 80 bones |
These bones form the inferior lateral aspects of the cranium, part of the cranial floor, articulate with the mandible and have large ridges inside the cranium to house the organs of hearing and balance. | Temporal |
Which cranial bone articulates with every other cranial bone? | Sphenoid |
This cranial bone is anterior to the sphenoid and posterior to the nasal bones and it contains the foramina for fibers of the olfactory cranial nerve. | Ethmoid |
What is the name of the outer ring of fibrocartilage in an intervertebral disc? | Annulus fibrosus |
Of the following, which is the largest individual vertebra? | L4 |
Where is the base of the sacrum? | The broad superior surface |
When do the coccygeal vertebrae usually fuse? | Between 20 and 30 years of age |
Which pair(s) of ribs are classified as floating ribs? | The 11th and 12th pairs |
An abnormal lateral bend in the vertebral column is called: | Scoliosis |
How many bones are found in the adult human skeleton? | 206 |
Which type of bone is the femur? | Long bone |
Which type of bone is the occipital? | Flat bone |
This is a bone located within ankles or wrists: | Short bone |
The patella, or kneecap, is this type of bone: | Sesamoid bone |
A large, round protuberance at the end of a bone is a: | Condyle |
A smooth, flat articular surface on a bone is a: | Facet |
These projections on either side of the foramen magnum articulate with depressions on the first cervical vertebrae. | Occipital condyles |
What is the purpose of the nucleus pulposus in an intervertebral disc? | To absorb vertical shock |
The function of vertebral processes on a vertebra include | Attachment site for muscles |
What are the only 2 named bones in the vertebral column? | C1 atlas and C2 axis |
What bone feature of the axis articulates with the atlas? | Odontoid process |
The inferior, and smallest part, of the sternum is called the: | Xiphoid process |