Chapter 8

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

The cranial cavity encloses which of the following?

brain

The _______ canal is the passage for the carotid artery.

carotid

The lateral walls of the nasal cavity give rise to scroll-like bones called the nasal ________ .

conchae

The largest cavity in the skull that encloses the brain is the ______ cavity.

cranial

The perforated part of the ethmoid bone that forms the roof of the nasal cavity is called the ________ plate.

cribriform

The crista galli is an attachment site for the ______.

dura mater

The ear canal is also called the ______.

external acoustic meatus

The smooth flat area of the bone marked on the figure is called the

glabella

The palatine bones forms part of the ______.

hard palate

The ______ is an irregular opening for the jugular vein just medial to styloid process.

jugular foramen

The _________ bone, located between the maxillary and ethmoid bone, forms part of the medial wall of the orbit.

lacrimal

The ______ foramen is a hole that provides passage for a nerve, artery, and vein above the margin of the eye.

supraorbital

The bony ridge marked on the figure is called the

supraorbital Margin

The ______ process of the zygomatic bone forms part of the zygomatic arch.

temporal

The _________ lines indicated in the figure are the site of attachment for the temporalis muscle.

temporal

The bone indicated in the figure is the

temporal bone

The temporal process of the ________ bone forms part of the zygomatic arch.

zygomatic

Only one of the pairs of nasal conchae is not part of the ethmoid bones. Which one is its own bone?

Inferior

Name the bony structure marked on the figure.

Inferior nasal concha

Which opening is marked on the figure?

Infraorbital foramen

Petrous part

Internal acoustic meatus, carotid canal, and jugular foramen

Identify the opening indicated in the figure.

Jugular foramen

Which features are found in the petrous part of the temporal bone?

Jugular foramen Carotid canal Internal acoustic meatus

Identify the bone indicated on the figure.

Lacrimal bone

Which wing of the sphenoid bone forms the posterior margin of the anterior cranial fossa?

Lesser wing

The foramen ________ is a large hole where the spinal cord enters the cranium.

Magnum

The opening in the occipital bone through which the spinal cord exits the cranial cavity is the foramen __________

Magnum

The indicated bone is the

Mandible

Identify the opening indicated in the figure.

Mandibular fossa

The mandibular condyle articulates with which part of the temporal bone?

Mandibular fossa

Which of following is a true statement and explains why the number of bones varies with age?

Many bones fuse together during development, resulting in fewer bones in the adult.

What is the prominent bony process behind and below the ear that is filled with small air sinuses and serves as an attachment for a major neck muscle?

Mastoid

Mastoid part

Mastoid process and mastoid foramen

The infraorbital foramen is in which bone?

Maxilla

Another term for a canal through a bone is a(n) ______.

Meatus

What is the name of the bony feature labeled "A" in this picture?

Medial pterygoid plate

The _______bones form the bridge of the nose and support the cartilage that forms the lower portion.

Nasal

Name the scroll-like bones that project into the nasal cavity.

Nasal conchae

Identify the bony structure indicated in the figure.

Occipital condyle

Where does the skull rest on the vertebral column?

Occipital condyles

The bone indicated in the figure is the ___________ bone

Palatine

The sagittal, squamous, coronal, and lambdoid sutures border the ______ bone.

Parietal

Which cranial bones are paired?

Parietal and temporal

Which best describes the cribriform plate?

Perforated bone area that forms the roof of the nasal cavity

What structure sits in the sella turcica?

Pituitary gland

The cerebellum is contained within which cranial fossa?

Posterior

Which type of bone forms within a tendon due to stress?

Sesamoid

The foramen magnum is a hole for the passage of which of the following?

Spinal cord

What structure passes through the foramen magnum?

Spinal cord

List the sutures surrounding the parietal bones.

Squamous Coronal Sagittal Lambdoid

Identify the bony structure indicated in the figure.

Styloid

Which process on the temporal bone provides a site of attachment for muscles of the tongue, pharynx, and hyoid bone?

Styloid process

Which features are found in the tympanic part of the temporal bone?

Styloid process External acoustic meatus

Identify the opening indicated in the figure.

Stylomastoid foramen

Which is a passage in the temporal bone for the facial nerve?

Stylomastoid foramen

Name the term used to describe a groove in which is located a tendon, nerve, or blood vessel.

Sulcus

Which of the following extends horizontally from the external occipital protuberance?

Superior nuchal line

Name the hole marked on the figure.

Supraorbital foramen

What is the name of the bony ridge indicated in the figure?

Supraorbital margin

The thickened lines on the side of the skull that provide attachment points for the temporalis muscle are called which of the following?

Temporal lines

The axial skeleton can be defined as which of the following?

The bones of the supporting central axis of the body

Head

The prominent expanded end of a bone, sometimes rounded

Within the nasal septum, the ________ plate is part of the ethmoid bone.

perpendicular

The suture between the parietal bones is the ______ suture.

sagittal

The ___________ turcica is a saddle-like prominence in the body of the sphenoid bone that houses the pituitary gland.

sella

The patella is an example of ________ a bone, one that forms within a tendon due to stress.

sessamoid

The inferior nuchal line is an attachment site for ______.

some deep neck muscles

A sharp, slender, or narrow process of a bone is called a ______.

spine

Choose the bone that, along with the ethmoid, forms the nasal septum.

Vomer

How many bones does the skeleton typically contain at birth?

270

Condyle

A rounded knob that articulates with another bone

Facet

A smooth, flat, articular surface

Which part of the maxilla consists of raised portions of bone that lie between the roots of the teeth?

Alveolar process

What are the names of the three cranial fossae?

Anterior, middle, and posterior

The skull, vertebral column, and rib cage comprise the _____ skeleton.

Axial

Which region of the occipital bone is indicated in the figure?

Basilar

The skullcap that forms the roof and walls of the skull is called which of the following?

Calvaria

Identify the openings indicated in the figure.

Carotid canal

Which term refers to the bony structure that surrounds the brain?

Cranium

Which bones are classified as cranial bones?

Ethmoid Parietal Temporal Sphenoid Frontal Occipital

List the paranasal sinuses.

Ethmoid Sphenoid Frontal Maxillary

Tympanic part

External acoustic meatus and styloid process

Which of the following is a prominent median projection on the occipital bone?

External occipital protuberance

Which foramina of the sphenoid bone are passage ways for branches of the trigeminal nerve?

Foramen rotundum and foramen ovale

List the foramina found in the sphenoid bone.

Foramen rotundum, foramen ovale, foramen spinosum, foramen lacerum

The bone indicated in the figure is the

Frontal bone

Name the smooth flat area of the bone marked on the figure.

Glabella

Which wing of the sphenoid bone forms one half of the middle cranial fossa and a part of the lateral surface of the cranium?

Greater wing

The maxilla and palatine bones come together to form which of the following?

Hard palate

Which term refers to a prominent expanded end of a bone that is sometimes rounded?

Head

Which process of the temporal bone extends anteriorly to form part of the zygomatic arch?

Zygomatic

Which features are found in the squamous part of the temporal bone?

Zygomatic process Mandibular fossa

Squamous part

Zygomatic process and mandibular fossa

The part of the maxilla called the process consists of points of bones that fill the spaces between the bases of teeth.

alveolar

A tooth socket is a(n) _______.

alveolus

The region of the bone indicated in the figure is the ___________ of the mandible.

angle

The limb bones and their girdles comprise the ______ skeleton.

appendicular

The bony process indicated in the figure is the ____________ process.

mastoid

The bony bump marked on the figure is the _________protuberance.

mental

The __________ processes of the maxillary bones form the anterior 2/3 of the hard palate.

palatine


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