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A/p lab
head and neck a/p
| Question | Answer |
|---|---|
| the muscle that inserts on the coronaid process and ramus of the mandible and acts to elevate the mandible | temporalis |
| large opening in the base of the skull where the spinal cord exists | foramen magnum |
| based on their anatomy, the sutures of the skull are a type of _____ joint | fibrous |
| the two sutures that follow body planes are the __________ and the ________ sutures | sagittal and coronal |
| based on sutures degree of movement they are | synarthrotic |
| the muscle located in the buccal region that originates on the maxilla and the mandible | buccinator |
| the ___________ foramen is a feature of the skull because it cannot be veiwed on any individual bone in isolation | jugular |
| the circular muscle that acts to pucker the lips | obicularis oris |
| the joint between a tooth and its bony socket is called the | gomphosis joint |
| when classified by its degree of movment the gomphosis is considered | synarthrotic |
| when classified by its anatomy the gomphosis joint is a ______ joint | fibrous |
| the muscle group that raises the corner of the mouth (as when smiling) | the zygomaticus group (zygomaticus minor and zygomaticus major) |
| a depression or relatively deep pit in a bone is called | a fossa |
| the __________ of the temporal bone and the __________ of the zygomatic bone come together to form the _________ | zygomatic process; temporal process; zygomatic arch |
| raising a body part is called | elevation |
| lowering a body part is called | depression |
| both elevation and depression are possible at the | temporomandibular joint |
| fetal and infant skulls have a membranous region called the _________ between certain crainial bones | frontanel |
| when classifying bones by shape , all bones of the face are | irregular |
| the anterior feature on the ramus of the mandible is the | coronoid process |
| the "catch-all" term for fa prominent projection on a bone is called a | process |
| the muscle the originates on the zygomatic arch that acts to elevate the mandible is the | maseter |
| a ________ is an opening that serves as a passageway for blood vessels, nerves, and/or ligaments | foramen |
| the opening/hole on the sphenoid bone is called the | foramen ovale |
| a feature of a bone describesd as a structure given off from another larger structure is a | ramus |
| moving a part of the body forward | protraction |
| moving a part of the body backward | retraction |
| both retraction and protraction are possible at the joint between the _________ and the ___________ | madibular condyle and the madibular fossa |
| an interlocking line of union between bones is called a | suture |
| the two sutures that join the parietal, temporal, and occipital bones is called the | lambdoid and the squamous |
| based on their shape all bones in the cranuim are classified as | flat bones |
| the joint between the mandible and the temporal bone is specifically called a __________ ___________ joint | modified hinge |
| when classifed by degreee of movement the modified hinge joint between the mandible and the temporal joint is a ___________ joint | diarthrotic |
| when classifed by anatomy the modified hinge joint between the mandible and the temporal joint is a ___________ joint | synovial |
| the muscle that originates on the occipital bone and acts to raise the eyebrow is the | epicranius (ocipipitofrontalis) |
| the bones in all fibrous joints are held together by | dense fibrous connective tissue |
| the foramina on the anterior surface of the mandible are the | mental foramina |
| the foramina on the medial surfaces on the madible are the | madibular foramina |
| the circular muscle that acts to close the eye is the | obicularis oculi |
| a _______ is a rounded process of a bone located at an articular site | condyle |
| the __________ bone, which does not form a joint with any other bone, supports the tounge and its attachment point for muscles involved in swallowing | hyoid |
| the pair of muscles that , when contracting simultaneously, flex the neck as in prayer are the_________ muscles | sternocleidomastoid |
| the __________ muscles, when working individually, turn the head side to side | sternocleidomastoid |
| the madilbular fossa and the madibular condyle are covered with a thin layer of __________ cartilage- this forms the cartilage typical of synovial joints that helps reduce friction | hyaline |
| a small crack | a fissure |
| ORIGN-outer surface of maxilla and mandible INSERTION-obicularis oris muscle ACTION-compressed cheeks inward as when blowing air out, retracts corner of mouth | buccinator |
| ORIGN-occipital bone INSERTION-skin and muscles around eyebrows and above nose ACTION-elevates eyebrows (as when suprised) | epicranius |
| ORIGN-zygomatic arch, maxilla INSERTION-lateral surface of mandible ACTION-elevates and protracts mandible | masseter |
| ORIGN-maxilla, frontal bone INSERTION-skin around orbit of eye ACTION-closes eye (as in blinking or squinting) | obicularis oculi |
| ORIGN-muscle near mouth, maxilla, mandible, nasal septum INSERTION-skin of centeral lip ACTION-draws lips together (as in kissing) | orbicularis oris |
| ORIGN-sternum, sternal end of clavicle INSERTION-mastoid process of the temporal bone ACTION-individually: laterally flex neck to same side, rotate head to oposite side together: flex neck forward ("bow head") | sternocleidomastoid |
| ORIGN-temporal bone INSERTION-coronoid process, ramus of mandible ACTION-elevates and retracts mandible | temporalis |
| ORIGN-zygomatic bone INSERTION-orbicularis oris muscle ACTION-retracts and elevates corner of mouth (as when smiling) | zygomaticus group (zygomaticus major/ zygomaticus minor) |
Created by:
allijeli
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