MasteringAAndP 6.1-6.6

How many bones comprise the skull?

22

Which of the following statements is not true of the axial skeleton?

It contains the bones of the pectoral and pelvic girdles.

Which fontanel is located at the junctions between the squamous suture and lambdoid suture?

Mastoid fontanel

Which of the following are continually remodeled and reshaped, and change throughout your lifetime?

bones

Which of the following is NOT part of the vertebral column?

hip bones

Which of the following bones is not in contact with any other bones of the skeleton?

hyoid bone

Where is the supra-orbital foramen located?

in the frontal bone

Which bone is a passageway for sensory nerves from teeth, gums, chin, and lips?

mandible

Which suture begins at the superior midline of the lambdoid suture and extends anteriorly between the parietal bones to the coronal suture?

sagittal suture

Which of the following structures contains openings that allow passage of the branches of the olfactory nerve through the ethmoid bone?

Cribriform plate

Which of the following statements about the lambdoid suture is FALSE?

It separates the occipital bone from the temporal bones.

Which of the following bones is the smallest bone of the skull, and contains a groove that aids in tear drainage?

Lacrimal bones

Which of the following bones is not part of the orbital complex?

Nasal bone

Which of the following structures on the occipital bone allows the skull to articulate with the first cervical vertebra?

Occipital condyles

What structure protects the pituitary gland?

Sella turcica

Which cranial bone articulates with every other cranial bone, extends from one side to the other across the floor of the cranium, and acts as a bridge, connecting cranial and facial bones?

Sphenoid

Which bone of the axial skeleton is shaped like a bat with its wings extended?

Sphenoid bone

Which of the following is not part of the temporal bone?

Temporal process

Which of the following statements is not true of the paranasal sinuses?

The mucous secretions are released into the pharynx and oral cavity.

Which of the following statements BEST describes the differences between the skulls of infants and adults?

The skulls differ in terms of shape and structure of cranial elements.

Which of the following is the largest fontanel?

anterior fontanels