Term
| Damage to the inferior alveolar nerve would affect which anterior neck muscles and what actions? |
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Definition
| Anterior digastric which depresses and retracts the mandible and the mylohyoid which elevates the hyoid and the floor of the mouth |
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Term
| What forms the ansa cervicalis? |
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Definition
| Descending hypoglossal which carries fibers from C1 and the descending cervical which has fibers from C2-C3 |
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Term
| What muscles of the infrahyoid region would be affected by damage to the ansa cervicalis?What movement of the hyoid bone would be primarily affected? |
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Definition
| Sternohyoid, sternothyroid, thyrohyoid, omohyoid muscles and depression of hyoid |
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Term
| What muscles form and lie in the submandibular triangle? |
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Definition
| Anterior digastric, posterior digastric, stylohyoid, mylohyoid, hyoglossus, middle pharyngeal constrictor |
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Term
| Trauma to the area of hte submandibular triangle would affect which nerves and arteries? What areas would each of hte nerves and arteries effect? |
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Definition
| The hypoglossal N to the tongue, lingual N to the tongue and mylohyoid N to the anterior digastric and mylohyoid muscles would be involved as well as the lingual A to the tongue and Facial a to the face. |
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Term
| Name the branches off the internal carotid artery in the neck? |
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Definition
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Term
| name the branches off the external carotid artery in the neck. |
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Definition
| Superior thyroid a., lingual A., Facial A. Occipital A |
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Term
| Name two structures run with the common carotid artery in the neck. |
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Definition
| Internal jugular V and the Vagus N. |
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Term
| What are two motor and sensory nerves from the vagus nerve in the carotid triangle? |
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Definition
| The recurrent laryngeal and external laryngeal nerves to the muscles of hte larynx are in this region as the internal laryngeal nerve which is sensory to the larynx and sensory nerves to the carotid sinus and body. |
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Term
| Which ligaments conneck the thyroid and the cricoid cartilages? |
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Definition
| Median and lateral cricothyroid ligaments? |
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Term
| Which muscle runs with the vocal ligament? |
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Definition
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Term
| Damage to the external laryngeal nerve would affect which intrinsic muscle of hte larynx? |
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Definition
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Term
| Would damage to the recurrent laryngeal nerve have a greater effect on phonation than damage to the external laryngeal nerve? |
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Definition
| Yes because the recurrent laryngeal innervates all the intrinsic muscles of the larynx which are used for phonation except hte cricothyroid muscle |
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Term
| What would be impaired in the larynx with damage to the internal laryngeal nerve? |
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Definition
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Term
| What are the main branches directly off the subclavian artery in the deep anterior neck? |
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Definition
| Costocervical trunk, internal thoracic A., thyrocervical trunk, vertebral A |
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Term
| What are the main branches directly off the thyrocervical trunk in the deep anterior neck? |
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Definition
| Inferior thyroid A., ascending cervical A., transverse cervica A and suprascapular A (If it arise from the trunk and this varies) |
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Term
| What two muscles in the deep neck flex the head? |
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Definition
| Longus capitis and rectus capitis anterior |
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Term
| What muscle group flexes the neck? |
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Definition
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Term
| What movement might tear these flexors of the head and neck? |
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Definition
| Excessive backward extension of the head and neck |
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Term
| What is hte main difference between the innervation of the facial nerve and the trigeminal nerve? |
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Definition
| The facial N is motor to the muscles of facial expression while the trigeminal is the sensory nerve of the face |
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Term
| Where would the sensory impairment to the face occur with a lesion to the supraorbital N? |
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Definition
| Area above the eyes; forehead |
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Term
| Where would the sensory impairment to the face occur with a lesion to the inferior alveolar N? |
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Definition
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Term
| Where would the sensory impairment to the face occur with a lesion to the buccal n? |
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Definition
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Term
| Where would the sensory impairment to the face ocur with a lesion to the maxillary nerve? |
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Definition
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Term
| Where would the sensory impairment to the face occur with a lesion to the frontal nerve? |
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Definition
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Term
| What arteries provide the main blood supply to the face? |
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Definition
| Facial and transverse facial arteries are the main blood supply to the face but the supraorbital, infraorbital, and mental arteries contribute |
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Term
| With a paralysis of the facial muscles around the mouth, what actions would be impaired? |
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Definition
| elevation and depression of the lips and angles of hte mouth, puckering of hte lips, which affect smiling, frowning, pouting, sucking, eating, speaking |
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Term
| What structures do not fuse with a cleft lip? |
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Definition
| Medial nasal prominence and the maxilla |
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Term
| What structures do not fuse with a cleft palate? |
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Definition
| Lateral palatine processes of hte maxilla and the nasal septum |
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Term
| What muscles of the face could be affected with a damage to the zygomatic branch of the facial nerve? |
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Definition
| Zygomaticus major and minor, part of the orbicularis occuli below the eye, levator anguli oris, levator labii superioris, and the levator labii superioris alaque nasi |
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Term
| What is the difference between the buccal nerve and the buccal branch of the facial nerve? |
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Definition
| The buccal nerve is off the mandibular division of the trigeminal N. and is sensory to the cheek region of the face hwere as the buccal branch of the facial N is off the Facial N and is motor to the buccinator muscle |
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Term
| What sensory impairment occurs in the face with damage to the facial nerve? |
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Definition
| There is no sensory impairment to the face. Facial N is motor to the muscles of facial expression and it is hte trigeminal N that is sensory to the face |
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Term
| What structures attach to the intra-articular disc of the TMJ? |
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Definition
| Lateral pterygoid M, joint capsule, superior and inferior laminae |
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Term
| What structures would be damaged if the mandibular condyle were dislocated in a posterior direction? |
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Definition
| Parotid gland, external auditory meatus, facial nerve trunk, auriculotemporal nerve, and superficial temporal BV |
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Term
| What structures would be damaged if the mandibular condyle were dislocated in a medial direction? |
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Definition
| Chorda tympani of VII and middle meningeal A |
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Term
| What do all of the muscles of mastication have in common? |
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Definition
| These muscles are all closing jaw muscles and are all innvervated by the mandibular division of hte Trigeminal N |
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Term
| What muscles close and protrude the lower jaw? |
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Definition
| Masseter and medial nad lateral pterygoids |
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Term
| What muscles will generate lateral jaw movement to the right? |
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Definition
| Rt temporalis, left masseter, left medial pterygoid, left lateral pterygoid- the rt anterior and posterior digastrics would also be involved |
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Term
| What could be the sensory and motor affect of damage to the maxillary division of V? |
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Definition
| Sensory involvement to the palate, lateral face,face below the eye, the upper teeth but no motor affect. |
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Term
| What nerves of hte mandibular division of V contain motor fibers? |
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Definition
| Motor fibers are in the inferior alveolar N (mylohyoid N); nerves to the medial and lateral pterygoids; masseteric n and deep temporal nerves |
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Term
| Does the anterior or posterior division of the mandibular division of V give off more motor nerves? |
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Definition
| The anterior division gives off more motor nerves |
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Term
| Which nerve of hte mandibular division contains both motor and sensory nerves? |
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Definition
| Inferior alveolar N has both motor fibers to the mylohyoid and anterior digastric muscles and sensory to the lower teeth and anterior mandible. Nerves to the muscles contain sensory fibers from those muscle and the auriculotemporal N which is sensory to the face has visceral motor to the parotid gland. |
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Term
| Blood supply to which structures would be reduced with blockage of the 2nd part of the maxillary artery? |
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Definition
| Blood to the masseter, medial and lateral pterygoids, temporalis muscles and cheek region would be reduced as would blood to the upper teeth, palate, and the area of the face directly below the eye. |
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Term
| Blood supply to which structures would be reduced with blockage of the 3rd part of the maxillary artery? |
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Definition
| Blood to the upper teeth, palate and the area below the eye would be reduced. |
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Term
| What are the nerve innervation and blood supply to the upper teeth? |
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Definition
| The posterior alveolar, middle alveolar, and anterior alveolar nerves and arteries supply the upper teeth |
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Term
| How does hte nerve innervation and blood supply to the hard palate differ from that of the soft palate? |
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Definition
| The soft palate receives its innervation and blood supply by the lesser palatine N and A but the hard palate receives its innervation from the greater palatine and nasopalatine nerves and blood supply from the greater palatine and sphenopalatine arteries |
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Term
| Is it possible to lose motor control of the tongue but maintain taste and sensaiton? How? |
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Definition
| yes bc motor to the tongue is by the hypoglossal N and general sensory by the lingual and glossopharyngeal N and taste by the chorda tympani of thefacial N and glossopharyngeal N |
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Term
| Will damage to the facial nerve affect the tongue? How? |
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Definition
| Yes by affecting the chorda tympani of the VII which is taste to the anterior 2/e of the tongue |
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Term
| How does the anterior 2/3 of the tongue differ from the posterior 1/3 of the tongue? |
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Definition
| In the anterior 2/3 of the tongue, taste is by the chorda tympani and general sensation by the lingual N but in the posterior 1/3 of the tongue taste and general senssation are by the glossopharyngeal N. |
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Term
| Is it possible to lose general sensation to the tongue but not taste or motor function? how? |
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Definition
| Damage to the lingual nerve or to the mandibular division of V will affect general sensation but not taste as this by the chorda tympani of VII and not motor as this is by XII. |
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Term
| What is common to the very back of the tongue and the pharyngeal constrictor muscles? |
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Definition
| The very back or root of the tongue is innervated by the vague (X) nerve and this is the same nerve that innervates the pharyngeal constrictor muscles of the pharynx. ( think of the gag reflex). |
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Term
| Inability to move the eye laterally indicates damage to which nerve? |
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Definition
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Term
| Inability to move the eye straight up and down, as well as medially, indicates damage to which nerve? |
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Definition
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Term
| If a person has a hearing problem, which part of the ear might be involved? |
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Definition
| the external, middle or inner could be involved as these are all involved in the transmission or reception of sound waves for hearing. |
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Term
| If a person has a balance problem, which part of the ear might be involed? |
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Definition
| The inner ear is mostly involved as it is the only part of the ear that has this function. |
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