unit 4 hw 1: bones of the skull and face

How many total bones in the skull?

8 bones

The teeth are housed within the __________________ of the maxillae and mandible.

alveolar processes

opening in base of skull through which the spinal cord exits

foramen magnum

The bones of the infant skull do not completely fuse until about 2 years of age. T/F?

True

The ________ bones make up the medial portion of the face and the anterior portion of the hard palate.

maxillae

Considering the bones of the hard palate, the ________ bone comprises the anterior 3/4 and the ________ bone comprises the posterior 1/4.

maxillae; palatine

As the adult teeth emerge and replace the "baby teeth", they do so posteriorly to anteriorly in the opposite manner in which they originally emerged. T/F?

False

In infant development, teeth emerge at about six months of age beginning with the central incisors followed by the cuspids and molars. T/F?

True

The temporal bones are important to SLPs because they

(1) serve as important points of attachment for muscles of articulation and mastication (2) house the auditory system including the middle and inner ear

butterfly-shaped bone that helps make up the floor of the cranium + has a special depression called the hypophyseal fossa which houses the pituitary gland

sphenoid bone

The bones of the skull and face develop later in fetal development, typically after the mother is already aware she is pregnant. T/F?

False

The calvaria is made up of how many bones?

8 bones

Considering the alignment of the teeth, a Class II Malocclusion describes ____________________.

a retracted mandible

bicuspids are also known as

premolars

bone sitting at the core of the skull, separates the nasal cavity from the brain, and superior and middle nasal conchae

ethmoid bone

What is the biological function of the articulatory system?

mastication

The __________ suture joins the occipital bone and the parietal bones.

lambdoidal

If the "wisdom teeth" are in place, adults have ________ total.

32 teeth

 The mastoid portion of the temporal bone contains air cells (sinuses) that are important for the __________ process of hearing.

conductive

The ________ suture joins the parietal bones at midline.

sagittal

Cleft lip and palate is a failed fusion of which bones?

(1) maxillae (2) palatine bone

The _______ suture joins the frontal and parietal bones.

coronal

The teeth that emerge during infancy and childhood are known as _________, or primary teeth.

deciduous

Considering alignment of the teeth, a Class I Occlusion describes ___________________________________________________.

normal orientation of the mandible and maxillae bones

The upper part of the skull is called the ____________ and serves to protect and surround the brain. This portion of the skull can be further divided into an upper portion, known as the ________, and a lower portion, known as the ____________ (two words).

neurocranium; calvaria, cranial base

The ______ cartilage makes up the nasal septum that divides the nares into bilateral halves.

septal

There are ________ that make up the facial skeleton.

14 bones

The _______ portion of the temporal bone houses the middle and inner ear.

pretrous

The ________ portion of the temporal bone forms the anterior and inferior walls of the "ear canal" while the _______ portion houses air cells important to the process of hearing.

tympanic; mastoid

three (3) cavities that make up the vocal tract

(1) oral cavity (2) nasal cavity (3) pharyngeal cavity

How many bones make up the skull?

22 bones

bones that help to form the floor and lateral walls of the nasal cavity, the hard palate of the oral cavity, and the floor of the orbital cavity

palatine bones