Anatomy Chapter 7

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The total bone count in the skull (cranium and face) is: 26 14 8 22 12

22 8 in cranium 14 in face

What 2 bones make up the cheekbone?

Zygomatic and temporal

A female skull compared to a male skull is more likely to have a mandibular angle that's more obtuse and not 90° a larger mastoid process a more rounded glabella a more pronounced supraorbital ridge

a mandibular angle that's more obtuse and not 90 degrees

Which best describes the occipital bone? part of the bridge of the nose bears condyles that form the atlanto-occipital joints inferior and posterior portion of nasal septum includes temporal process of zygomatic arch sella turcica protects the pituitary gland

bears condyles that form the atlanto-occipital joints

The body of a typical thoracic vertebrae articulates with costal cartilages. contains transverse foramina. body has articular surfaces called demifacets. has no body and no spinous process. has a peg-like process called a dens.

body has articular surfaces called demifacets

Which best describes the term spina bifida? lateral bending of the vertebral column exaggeration of the cervical curve exaggeration of the thoracic curve exaggeration of the lumbar curve congenital defect in which the laminae fail to unite at the midline

congenital defect in which the laminae fail to unite at the midline

Intercostal spaces are filled by costal cartilages contain muscles, blood vessels, and nerves are grooves on the inner surfaces of ribs contain bone marrow

contain muscles, blood vessels, and nerves

The body of the sternum articulates directly or indirectly with the ____________ of the second through tenth ribs. heads necks costal cartilages tubercles

costal cartilages

The ethmoid bone forms which other cranial structures? crista galli frontal sinus sphenoidal sinus inferior nasal concha

crista galli

Which of the bones listed below is part of the cranium? 1. ethmoid 2. nasal 3. occipital 4. palatine 5. parietal 6. temporal

ethmoid, occipital, parietal and temporal

Which best describes the term lordosis? lateral bending of the vertebral column exaggeration of the cervical curve exaggeration of the thoracic curve exaggeration of the lumbar curve congenital defect in which the laminae fail to unite at the midline

exaggeration of the lumbar curve

The roof of the orbit is comprised primarily of which cranial bone?

frontal

Which best describes the atlas? has small bodies has four foramina body has articular surfaces called facets and demifacets has no body and no spinous process has a peg-like process called a dens

has no body and no spinous process

Which best describes the lacrimal bone? forms part of the bridge of the nose superior portion of nasal septum inferior and posterior portion of nasal septum includes temporal process of zygomatic arch houses a structure that gathers tears

houses a structure that gathers tears

Which of the following foramina is INCORRECTLY matched with the structures passing through? jugular -cranial nerves IX, X, and XI ovale-mandibular nerve spinosum-middle meningeal artery carotid-internal jugular vein

internal jugular vein does not pass through the cartoid foramen. Instead what does passes through is the internal cartoid artery.

Which of the choices below are TRUE statements about the hyoid bone? 1. attachment site for some tongue muscles 2. attachment site for some muscles of the neck 3. attachment site for throat muscles 4. it articulates with both a cervical vertebra and the mandible 5. it does not articulate with any other bone

it does not articulate with any other bone attachment site for some tongue muscles attachment site for some muscles of the neck

Which suture joins the two parietal bones and the occipital bone? lambdoid sagittal coronal squamous occiparietal

lambdoid suture

The auditory ossicles and the _________ are the only freely moving bones in your skull. maxilla mandible mastoid zygomatic

mandible

The facial bone most involved in the formation of the hard palate is the __________.

maxilla

Which two skull bones contain alveolar processes?

maxilla and mandible bones

Which of the following bones are singular and not paired? zygomatic nasal, occipital lacrimal

occipital

Which best describes the maxilla bone? lower jaw bone superior portion of nasal septum inferior and posterior portion of nasal septum palatine process forms most of the hard palate contains the carotid and jugular foramina

palatine process forms most of the hard palate

What vital structure is protected by the sella turcica portion of the sphenoid bone? the brain stem the pituitary gland the cerebellum the pineal gland

pituitary gland

Which best describes a lumbar vertebra? has a small body has four foramina body has articular surfaces called demifacets processes are thick and short articulates with the hip bone

processes are thick and short

Which of the bones listed below form the thoracic cage? 1. clavicle 2. ribs 3. scapula 4. sternum 5. bodies of thoracic vertebrae

ribs and sternum

Which of the following is incorrectly matched? thoracic curve-primary curve cervical curve-secondary curve lumbar curve-secondary curve sacral curve-secondary curve

sacral is actually a primary curve because it retains the original curvature of the embryonic vertebral column

Which of the following curvatures is characterized by a lateral bending of the vertebral column usually in the thoracic region? scoliosis kyphosis lordosis round shouldered

scoliosis

The fifth cranial nerve (trigeminal nerve) provides sensory information from the face. The three branches of the trigeminal nerve pass from the periphery of the face to the brain through three separate foramina. Which cranial bone contains the foramina for passage of branches of the trigeminal (V) nerve? ethmoid temporal sphenoid occipital

sphenoid

The ________ bone connects to all other cranial bones, thus giving it the nickname "keystone". sphenoid bone occipital bone parietal bone ethmoid bone

sphenoid bone

Which of the following bones contain paranasal sinuses? 1. sphenoid bone 2. ethmoid bone 3. maxillary bones 4. frontal bone 5. palatine bone

sphenoid, ethmoid, maxillary, and frontal

The hyoid bone is suspended from the styloid processes mastoid processes thyroid cartilage sternum

styloid process of the temporal bones

Which skull bone contains the mandibular fossa, mastoid process, styloid process, and zygomatic process? temporal parietal zygomatic occipital

temporal

"Sutures" would be found connecting which bones? mandible and hyoid temporal and mandible sphenoid and ethmoid frontal and occipital

temporal and mandible

The mandible has condylar processes and coronoid processes. Both are articular in function. Both are for muscle attachment. The condylar process is articular; the coronoid process is for muscle attachment. The condylar process is for muscle attachment; the coronoid process is articular.

the condylar process is articular; the coronoid process is for muscle attachment

How many vertebrae fuse to form the sacrum? 3 5 7 9

the sacrum is a triangular bone formed from the fusion of 5 sacral vertebre

The spinal cord passes through the ________ foramen in each vertebra. spinous intervertebral transverse vertebral

the spinal cord passes through the vertebral foramen

What is one feature that you can find in ALL cervical vertebrae but not in thoracic or lumbar? transverse foramen bifid spinous process vertebral foramen transverse process

transverse foramen

The placement of hands directly on the body of the sternum is very important during CPR to avoid breaking the __________, located just inferior to the sternal body. sternal angle calvicular notch manubrium xiphoid process

xiphoid process


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