A&P Ch. 8

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A cranium has ______ temporal bone(s) and ______ ethmoid bone(s).

2; 1

How many bones are contained in each lower limb?

30

The number of metacarpal bones per upper limb is ______.

5

How many tarsal bones are found in each foot?

7

Each wrist has ______ carpals.

8

How many carpal bones are in each wrist?

8

The hyoid and auditory ossicles are part of the ______ skeleton.

axial

The two main divisions of the skeletal system are the _______ skeleton and _______ skeleton.

axial appendicular

The auricular surface of the ilium in a young adult appears ______.

billowing

The anterior, weight bearing part of each vertebra is known as the ______.

body

The sternum is also referred to as the ______.

breastbone

Nasal bones form the ______ of the nose.

bridge

Which terms correctly describe the scapula?

broad, flat

The internal carotid artery passes through the opening in the temporal bone called the ______.

carotid canal

The tarsal bones of the foot are analogous with the ______ bones of the wrist

carpal

A pectoral girdle consists of two bones, the ______ and the ______

clavicle and scapula.

A large, smooth, rounded articulating oval structure on a bone is properly identified as a ______.

condyle

The vertebral canal contains the spinal _______, whereas the intervertebral foramina allow for passage of the spinal nerves.

cord

The suture that connects the frontal and parietal bones of the skull is called the _______ suture.

coronal

Enclosing the brain is a function of ______.

cranial bones

Sutures are immovable joints forming the boundaries between the ______.

cranial bones

The curved depressions of floor of the cranial cavity are called the

cranial fossa

What are the three curved depressions in the floor of the cranial cavity called?

cranial fossae

The region of the leg from the knee to the ankle is called the ______ region.

crural

Cranial fossae are ______ in the floor of the cranial cavity.

depressions

Which bone in the skull helps to form the floor of the cranium, the roof of the nasal cavity, and the medial wall of the orbit?

ethmoid bone

The tympanic part of the temporal bone surrounds the ______.

external acoustic meatus

Polydactyly means ______ fingers.

extra

The longest bone of the body is the

femur

The strongest and heaviest bone in the body is the ______.

femur

The crural region contains the tibia and

fibula

The last two pairs of false ribs lack connections with the sternum, so they are classified as ______.

floating ribs

The structures that allow the cranial bones of the fetal skull to overlap as a baby passes through the birth canal are called

fontanelles

A ______ is a rounded passageway through a bone.

foramen

The largest foramen in the skull, visible on an inferior (basal) view, is the ______.

foramen magnum

The spinal cord enters the cranial cavity through the ______.

foramen magnum

The glabella, superciliary arch, supraorbital margin, and supraorbital foramen (notch) are all features of the ______.

frontal bone

The coronal suture is between the ______ bone and ______ bones.

frontal; parietal

Which structure forms both the floor of the nasal cavity and part of the roof of your mouth?

hard palate

Which bone associated with the skull is an attachment site for tongue and larynx muscles?

hyoid

The most superior portion of a hip bone is called the ______.

ilium

The true pelvis is ______ to the false pelvis.

inferior

The mandibular foramen acts as a passageway for the blood vessels and nerves that innervate the ______.

inferior teeth

The depression between the greater and lesser tubercle is called the ______.

intertubercular sulcus

The os coxae are made of three fused bones: the ilium, the ______, and the _______

ischium, pubis

The opening in the lacrimal bone that provides a passageway for the nasolacrimal duct is the ______.

lacrimal groove

The greater tubercle is more ______ than the lesser tubercle.

lateral

The bone of the lower jaw is the

mandible

Which bone forms the lower jaw?

mandible

The foramen, located on the medial wall of the mandibular ramus, that allows blood vessels and nerves to supply the inferior teeth is called the ______.

mandibular foramen

The temporal bone and mandible articulate to form the tempormandibular joint at the ______.

mandibular fossa

The bump you feel posterior to your ear lobe on your lateral skull corresponds to which structure of the temporal bone?

mastoid process

The prominent bulge on the inferior surface of the temporal bone that acts as an anchor for neck muscles is called the ______.

mastoid process

Which bones come together to form the upper jaw?

maxillae

Which bones contain alveolar processes?

maxillae and mandible

Which bones contribute to the formation of the hard palate?

maxillae and palatine bones

In anatomical position the ulna is ______ to the radius.

medial

Which bones are just inferior to the glabella?

nasal bones

The perpendicular plate and vomer come together to form the ______.

nasal septum

Which structure is located within the lacrimal groove?

nasolacrimal duct

The glenoid cavity is part of the _______ girdle and the acetabulum is part of the _______ girdle.

pectoral, pelvic

The sacrum is part of the ______.

pelvis

The sacrum, the coccyx, and hip bones make up the ______.

pelvis

The superior portion of the nasal septum is formed by the ______.

perpendicular plate

Bones of the fingers are called ______.

phalanges

The bones of the toes are called ______.

phalanges

An individual with extra digits has ______.

polydactyly

The thoracic and sacral curvatures of the vertebral column are classified as ______.

primary curves

What is the function of foot arches?

protect blood vessels and nerves

Which component of the thoracic cage consists of a manubrium, body, and xiphoid process?

sternum

The clavicle extends between the manubrium of the ______ and the acromion of the ______.

sternum, scapula

The clavicle is located between these two bones, the _______ and the ______

sternum, scapula

The thin, pointed process located on the posteroinferior surface of the temporal bone is called the ______ process.

styloid

Which thin, pointed projection of the temporal bone serves as an attachment site for several hyoid and tongue muscles?

styloid process

The facial nerve (CN VII) passes through the opening in the temporal bone called the ______.

stylomastoid foramen

The occipital bone can be seen from a(n) ______ view of the skull.

superior

Which is a function of the cranial bones?

surround and protect the brain

A structure that is an immoveable joint forming the boundary between cranial bones is called a

suture

The zygomatic arch is formed by the fusion of the zygomatic process of the temporal bone to the ________ process of the zygomatic bone.

temporal

The thoracic vertebrae, ribs, and sternum make up the ______.

thoracic cage

Which part of the axial skeleton acts as a protective framework around the vital organs of the thorax and provides attachment points for many muscles?

thoracic cage

The most superior ribs are called the ______ ribs.

true

The pelvic organs are found in the ______.

true pelvis

The entrance to the external acoustic meatus is located in the _______ part of the temporal bone.

tympanic

The maxillae form the ______.

upper jaw

Which part of the axial skeleton provides vertical support for the body while housing and protecting the spinal cord?

vertebral column

The subpubic angle is much ______ in women than in men.

wider

The fusion of the temporal process of the zygomatic bone and the zygomatic process of the temporal bone forms the ______.

zygomatic arch

A clavicle and scapula make up a ______ girdle.

pectoral

The scapula is part of the ______.

pectoral girdle

Paranasal sinuses are normally filled with ______.

air

What features on both the maxillae and mandible house the teeth?

alveolar processes

Which are the two main divisions of the skeletal system?

appendicular skeleton axial skeleton

If the symphysial surface is depressed and concave, the ossa coxae is most likely from a person who is ______.

over 50

The process of the maxillae and the palatine bones make up the hard palate is the ______ process.

palatine

The process of the maxillae and the palatine bones make up the hard palate is the _______ process.

palatine

In anatomical position the radius and ulna are ______.

parallel

The structures that help to lighten the weight of certain skull bones and provides resonance to the voice are the

paranasal sinuses

Which cranial bones are paired?

parietal

Which bones can clearly be seen on a superior view of the skull?

parietal bones

The subpubic angle is also called the ______.

pubic arch

Which bone of the forearm is on the same side as the thumb?

radius

The ascending posterior regions of the mandible are known as the ______.

rami

A broad, flat, triangular bone that forms the shoulder blade is the ______.

scapula


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