ch 9 head and neck anatomy

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the human skull is divided into what two sections

cranium and face

the eight bones that cover and protect the brain are collectively called

cranium

the back and base of the cranium are formed by the ___bones

occipital

the ___bones forms the prominence of the cheeck

zygomatic

the ___forms the upper jaw

maxillae

the strongest longest and only movable bone of the face is the

mandible

the second phase in mouth opening and movement of the temporomandibular joint is

gliding

the condyloid process of the mandible lies in the

glenoid fossa

___is the habiutual grinding of teeth especially at night

bruxism

which of the cervical muscles can be palpated in the neck

trapezius and sternocleidomastoid

the muscles that work with TMJ to make all movement of the mandible possible are the group of musles of

mastication

___salivary glands are located just below and in front of each ear

parotid

which artery supplies the major blood supply for the face and mouth

external carotid

which artery supplies blood too the mandibular teeth

inferior alveolar

how many pairs of cranial nerces are connected to the brain

12

which nerve is the primary source of inervation for the oral cavity

trigeminal

which nerve innervates the maxillary central, lateral, and canine teeth

anterior superior alveolar

axillary lymph nodes are located

under arms

the ___sinuses are located within the forehead just above the eyes

frontal

the only bone in the human body that does not articulate with another bone is the

hyoid

the fontanelle or soft spot of a newborn infant is located where the frontal bone will articulate with which bone

parietal

the bone that forms the lower jaw is the

mandible

the bone that forms the upper jaw is the

maxilla

the natural opening in bone through which blood vessels and nerves pas is the

foramen

the jagged line where bones articulate and form a joint that does not move is a

suture

the spinal cord passes through which foramen into the occipital bone

foramen magnum

the external auditory meatus, the outside opening to the ear, is located in the ___bone

temporal

the facial bones that are useful in identifying maxillary radiographs are the ___bones

zygomatic

a large rounded area on the outer surfae of the maxillary bones in the area of the posterior teeth is

maxillary tuberosity

the mental protuberance is formed by the symphysis of the two mandibular bones and is commonly known as the

chin

the articulation between the temporal bones and the mandible form the

temporomandibular joint

protrusion of the mandible occurs when the internal and external pterygoid muscles...

on both sides contract together

which statement is NOT true of trismus

the dentist may use a stethoscope to listen for sounds of trismus

symptoms of temporomandibular disorders include

headache, pain in neck, pain in chewing

the muscle of facial expression that also aids in chewing and speaking is the

orbicularis oris

the muscle of facial expression that allows a person to laugh and smile is the

zygomatic major

which muscle of the floor of the mouth aids during swallowing

styloid

the function of saliva is to

cleanse the oral cavity, aid in digestion, aid in speaking

which statement is true of parotid salivary gland

the parotid gland procudes approximately 25 % of the total volume of saliva

the submandibular salivary gland

procudes the largest total volume of saliva and empties into the mouth through the whartons duct

a stone that can develop in the salivary duct that prevents the saliva from flowing into the mouth is

sialoith

wihch blood vessel provides the major blood supply to the face and mouth

external carotid arter

which major vein corresponds to the common carotid artery and empties blood from the upper portion of the body

internal jugular

the artery that supplies blod to the mandibular teeth is the ___artery

inferior alveolar

air filled cavity within a bone is a

sinus

if a patient has permanent paralysis of the tongue and lip after an extraction of a molar, which cranial nerve was damaged

trigeminal

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