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Bones and Muscles
| Question | Answer |
|---|---|
| Suprahyoid muscle with an anterior and posterior belly? | Diagastric |
| Loss of action of the muscle? | Paralysis |
| Muscle of mastication that fills the temporal fossa? | Temporalis |
| Muscles of facial expression in the mouth region that raises the chin? | Mentalis |
| Extrinsic tongue muscle that arises from the genial tubercles? | Genioglossus |
| Muscle of the facial expression that forms a portion of the cheek? | Buccinator |
| Posterior suprahyoid muscle that originates fromt eh styloid process of the temporal bone? | Stylohyoid |
| Type of body tissue that shortens under neutral control, causing soft tissue and bony structures to move? | Muscle |
| Anterior suprahyoid muscle that forms the floor of the mouth? | Mylohyoid |
| Cervical muscles that cover the lateral and posterior surfaces of the neck? | Trapezius |
| Muscles of the neck that include the SCM and trapezius muscles? | Cervical |
| End of the muscle that is attached to the more moveable structure? | Insertion |
| Midline muscular structure that hangs from the posterior margin of the soft palate? | Uvula |
| Hyoid muscles that are inferior to the hyoid bone? | Infrahyoids |
| End of the muscle that is attached to the least moveable structure? | Origin |
| Hyoid muscles located superior to the hyoid bone that can be further divided by their anterior or posterior relationship to the hyoid bone? | Suprahyoids |
| Muscle of the facial expression that runs from the neck to the mouth? | Platysma |
| Anterior suprahyoid muscles that is deep to the mylohyoid? | Geniohyoid |
| Muscle of facial expression in the scalp region that has a frontal and occipital belly? | Epicranial |
| Most obvious and strongest muscle of mastication that enlarges through grinding and clenching? | Masseter |
| Muscle of the facial region that is used when smilining widely? | Risorius |
| Movement accomplished by a muscle when the muscle fibers contract? | Action |
| The plane that divides the body into right and left parts is? | Sagittal plane |
| An area closer to the midline plane of the body is considered? | Medial |
| Which of the following structures is NOT located in the frontal region? | Medial canthus |
| In which region of the head and nexk is the TMJ? | Temporal |
| On the midline of the upper lip, extending downward from the nasal septum is a vertical groove called? | Philtrum |
| The space in the o.c which is located between the cheeks, lips and gum is called? | Vestibule |
| The small buldge of tissue at the most anterior portion of the hard palate is? | Incisive papilla |
| The structure that is found on the midline of the dorsal surface of the tongue is? | Paratid papilla |
| The labial or buccal mucosa meets the alveolar mucosa at? | Mucobuccal fold |
| The structure in the frontal region just under each eyebrow is? | Supraorbital ridge (supercilliary ridge) |
| What is the medial (inner) canthus? | Inner angle of the eye |
| What is the structure that extends from just inferior to the lateral margin of the eye towards the ear? | Zygomatic arch |
| The opening fromt he oral region in the oropharynx is the? | Fauces (facial isthmus) |
| The small flap of tissue anterior to the external acoustic meatus is called? | Tragus |
| The lips are outlined from the surrounding skin by a transition zone that is called? | Vermillion border |
| The firm irregular ridges of tissue directly posterior and lateral to the incisive papilla are? | Palatine rugae |
| The fold of tissue that extends from the junction of hard and soft palates down to the mandible, just behind the most distal mandibular tooth is? | ptergomandibular fold |
| What separates the lower lip from the chin? | Labiomental groove |
| Into which cervical triangles does the SCM divide the neck? | Diagonal into anterior cervical triangle and posterior cervical triangle |
| What muscles orginate on the frontal bone? | frontalis and orbicularis oculi |
| What muscles orginate on the sygomatic bone? | zygomaticus |
| What muscles insert on the lips? | Levator labii superioris, depressor labii inferioris, orbicularis oris, and zygomaticus |
| What muscles insert on the eyebrows? | frontalis |
| What muscles insert on the eyelid? | orbicularis oculi |
| What mastication muscle lowers the mandible? | temporalis and external (lateral) pterygoid |
| What mastication muscle raises the mandible? | internal (medial) pterygoid, masseter, and temporalis |
| What mastication muscle retracts the mandible? | temporalis |
| What mastication muscle protrudes the mandible? | External (lateral) pterygoid |
| What mastication muscle holds the food in place? | Buccinator |
| What mastication muscle originates on the zygomatic arch? | Masseter |
| What mastication muscle originates on the sphenoid only? | Internal(medial) pterygoid |
| What mastication muscle originates on the frontal, parietal, and temporal bones? | temporalis |
| What mastication muscle originates on the maxilla, mandible and pteromandibular raphae? | buccinator |
| What mastication muscle originates on the maxilla,sphenoid, and palatine bones? | external(lateral) and internal (medial) pterygoids |
| What mastication muscle inserts on the orbicularis oris? | buccinator |
| What mastication muscle inserts on the coronoid process of mandible? | temporalis |
| What mastication muscle inserts on the medial surface of body of mandible? | Internal (medial) pterygoid |
| What mastication muscle inserts on the lateral surface of ramus and angle of mandible? | Masseter |
| What mastication muscle inserts on the neck of mandibular condyle and articular disk? | External (lateral) pterygoid |
| What are the broad sheetlike muscles on the sides of neck just under skin? | playsma |
| A broad triangular muscle of the back that functions only partially as a neck muscle? | Trapezius |
| Provides support for the floor of the mouth? | Mylohyoid |
| A V-shaped mucles attached to hyoid and mandibular bones? | Digastric |
| Anterior neck muscle that is attached to the thyroid carilage and part of the sternum? | sternothyroideus |
| Anterior neck muscles that extends from the hyoid bone to the clavicle and manubrium? | sternohyoideus |
| Long muscle of the neck that extends from the mastoid process to the clavicle and sternum? | SCM |
| Muscles that pull the head forward? | SCM |
| A muscle that can lift the clavicle and scapula? | trapezius |
| A muscle that is active while one is frowning? | Corrugator supercilii |
| A muscle that originates on the superior and medial orbital rim? | Orbicularis oculi |
| A muscle that is active during sneering? | levator labii superioris alaeque nasi |
| A muscle that assists the muscles of masstication by keeping the food on the occulsal surfaces? | Buccinator |
| A narrow muscle that originates from fascia superficial to the masseter muscle? | Risorius |
| A muscle that inserts in the skin tissue of the chin? | mentalis |
| A muscle in which some of its fibers when active can cause the mandible to retract? | Temporalis |
| A muscle which inserts on teh coronoid process of the mandible? | Temporalis |
| A muscle which when contracted can cause the mandible to shift to the opposite side? | lateral (external) pterygoid |
| Muscles that can close the lower jaw? | Masseter, medial (internal) pterygoid, and temporalis |
| A group of muscles which elevates the hyoid bone and larynx (occurs during swallowing)? | Suprahyoid muscles: Digastric, mylohyoid, stylohyoid, and geniohyoid |
| A muscle which forms the floor of the mouth? | Mylohyoid |
| A muscle which originates from the genial tubercles and inserts int he tongue and hyoid bone? | Genioglossus |
| A muscle that originates from teh infratemporal crest and the lateral surface of the lateral pterygoid plate, and inserts on the anterior surface of the mandubular condyle and the capsule of the TMJ? | Lateral (external) pterygoid |
| What muscles open the jaw? | Anterior suprahyoids: Anterior belly of Digastric, Mylohyoid, and Geniohyoid |
| Which muscles cause protrusion of the mandible? | Lateral pterygoid (both sides) |
| Which muscle is active when a person grimaces? | platysma,orbicularis oculi,risorius |
| Which muscles are active when a person is smiling? | Levator anguli oris, zygomaticus major and minor, and levator labii superioris |
| Which muscle encircles the mouth and what is its function? | Orbicularis oris; pursing lips, puckering, kissing, pouting, closing lips |
| A muscle with 2 bellies originates fromt eh occipital bone and mastoid process and inserts on the skin tissue of the eyebrow and root of nose? | Epicranial |
| What muscle inserts on the mastoid process? | SCM |
| What nerve innervates the muscles of mastication? | V trigeminal and 3rd division of mandible |
| What nerve innervates the muscle of facial expression? | VII cranial or Facial nerve |
| The forehead bone? | Frontal |
| The upper jaw? | Maxilla |
| Cheekbone? | Temporal and zygomatic |
| Lower jaw? | mandible |
| sides of skull? | frontal,parietal, occipital, temporal, zygomatic, sphenoid |
| on walls of nasal fossa? | nasal conchae |
| unpaired bones? | ethmoid, frontal, mandible, occipital, sphenoid, vomer |
| bones of hard palate (2 pair)? | palatine and maxilla |
| back and bottom of skill? | occipital |
| contain sinuses (4 bones)? | frontal, maxilla, sphenoid, ethmoid |
| external bridge of nose? | nasal bone |
| on median line in nasal cavity? | ethmoid, vomer |
| Which bone contains the following stucture:alveloar process? | maxilla and mandible |
| Which bone contains the following stucture: angle? | mandible |
| Which bone contains the following stucture:antrum of highmore (max sinus)? | maxilla |
| Which bone contains the following stucture:chiasmatic groove? | sphenoid |
| Which bone contains the following stucture:coronoid process? | mandible |
| Which bone contains the following stucture:cribriform plate? | ethmoid |
| Which bone contains the following stucture:crista galli? | ethmoid |
| Which bone contains the following stucture:external acoustic meatus? | temporal |
| Which bone contains the following stucture:incisive fossa? | mandible |
| Which bone contains the following stucture:inferior temporal line? | frontal and parietal |
| Which bone contains the following stucture:internal acoustic meatus? | temporal |
| Which bone contains the following stucture:mandibular condyle? | mandible |
| Between the parietal and occipital? | Lambdoidal |
| Between two maxillae on median line? | medial palatine |
| between the 2 parietal on the medial line? | sagittal |
| between frontal and parietal? | coronal |
| between parietal and temporal? | Squamosal |
| Between maxillary and palatine? | Transverse palatine |
| Lightens the skull? | Sinuses |
| Allow compression of skull bones during birth? | fontanel |
| Provides attachment site for falx cerebri (menegi)? | Crista galli |
| Allow sound waves to enter the skull? | External acoustic meatus |
| Point of attachment of some tongue muscles? | genial tubicles and styloid process |
| Points of articulation between skill and first vertebra(atlas? | occipital condyles |
| Point of articulation between mandible and skull? | TMJ |
| On what bones is this foramen or canal on: anterior platine foramen (incisive foramen)? | maxilla |
| On what bones is this foramen or canal on:carotid canal? | temporal |
| On what bones is this foramen or canal on:foramen magnum? | occipital |
| On what bones is this foramen or canal on:foramen ovale? | sphenoid |
| On what bones is this foramen or canal on:hypoglossal canal? | occipital |
| On what bones is this foramen or canal on:infraorbital foramen? | maxilla |
| On what bones is this foramen or canal on:internal acoustic meatus? | temporal |
| On what bones is this foramen or canal on:mandibular foramen? | mandible |
| On what bones is this foramen or canal on:mental foramen? | mandible |
| On what bones is this foramen or canal on:optic canal? | sphenoid |
| On what bones is this foramen or canal on:supraorbital foramen? | frontal |
| On what bones is this foramen or canal on:zygomaticofacial foramen? | zygomatic |
| What bones forms the inferior wall of the orbit? | Maxillary |
| What bones form the medial wall of the orbit? | Lacrimal and ethmoid |
| What bone contains the carotid canal? | Temporal |
| What bone contans the styloid process? | Temporal |
| What bones forms the jugular foramen? | Occiptial and temporal |
| What bones form the vertical partition of the nasal cavity? | Ethmoid, and vomer |
| What bone contains the hypoglossal canal? | Occipital |
| What bone contains the optic canal? | Sphenoid |
| What bone forms the forehead and anterior portion of the skull? | Frontal |
| What bones form the nasal conchae? | Ethmoid, inferior nasal conchae |
| What bone contains the genial tubercles? | Mandible |
| What structure is found on the posterior portion of the body of the maxilla? | Maxillary tuberoscity |
| What structure forms the zygomatic arch? | Temporal and Zygomatic |
| What structure forms the pterygoid process? | Medial/Lateral pterygoid plate and pterygoid fossa |
| What structure forms the cranial portion of the TMJ? | articular eminence and articular fossa |
| Where is the following located:lacrimal fossa? | inside lateral portion of supraorbital ridge |
| Where is the following located:submandibular fossa? | below posterior portion of mylohyoid line |
| Where is the following located:sublingual fossa? | superior to anterior portion of mylohyoid line |
| Where is the following located:Coronoid notch? | anerior portion of ramus |
| Where is the following located:Mandubular notch | between coronoid process and condyle |
| Which opening connects the orbit with intracranial fossa? | superior orbital fissure |
| Which opening connects the orbit with infratemporal and pterygopalatine fossa? | inferior orbital fissure |
| What is a process? | any prominence on a bony surface |
| What is a condyle? | A large projection (usually involved in joints- round) |
| What is a Tuberoscity? | rough site; usually site of muscle attachment |
| What is an arch? | Projection that looks like a bridge |
| What is a cornu? | Hornlike prominence |
| What is an epicondyle? | next to condyle |
| What is a tubercle? | Rounded elevation on bone surface |
| What is a crest? | Roughened border or ridge at edge of bone |
| What is a spine? | blunt or sharply pointed projection |
| What is a notch? | indentation at edge of bone |
| What is a sulcus? | shallow depression or groove (course for artery or nerve) |
| What is a fossa? | deep depression; attachment areas for muscle |
| What is an ostium? | small opening; an entrance into hollow organ or canal |
| What is a meatus? | Type of canal; not completely closed |
| What is a fissure? | A Narrow cleft like opening |
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