Topic 4 Quiz Questions Flashcards
Which nerve provides motor innervation to the muscles of facial expression?
Facial: cranial nerve VII. It controls the muscles of facial expression, and conveys sensory information from the anterior two-thirds of the tongue and oral cavity.
The arrow on the image indicates what muscle?
Orbicularis oris
The arrow on the image indicates what muscle?
Depressor anguli oris
The arrow on the image indicates what muscle?
Levator labii superioris
Which of the following is the function of the Buccal nerve?
- motor to buccinator muscle
- motor to depressor anguli oris
- sensory from depressor anguli oris
- sensory from buccinator muscle
Motor to buccinator muscle
Which of the following is the function of the mandibular nerve?
- motor to buccinator muscle
- motor to depressor anguli oris
- sensory from depressor anguli oris
- sensory from buccinator muscle
Sensory from depressor anguli oris
Which of the following is the function of the marginal mandibular nerve?
- motor to buccinator muscle
- motor to depressor anguli oris
- sensory from depressor anguli oris
- sensory from buccinator muscle
Motor to depressor anguli oris
Which of the following is the function of the maxillary nerve?
- motor to buccinator muscle
- motor to depressor anguli oris
- sensory from depressor anguli oris
- sensory from buccinator muscle
Sensory from buccinator muscle
Which blood vessel forms a pulse point on the mandible?
Facial artery
Where would you expect to find the palatine tonsils?
Posterior to the anterior faucial pillar.
The parotid glands are the largest of the salivary glands. True/false?
True, the parotid glads are the largest of the salivary glands.
Which of these nerves is likely to be damaged if the TMJ muscle are paralysed?
CNV2
CNVII
CNV3
CNV1
CNV3 - the mandibular branch of the trigeminal nerve.
Which part of the mandible forms the tempero-mandibular joint?
Condyle
Order the arteries from nearest to heart to further away from the heart:
external carotid artery
maxillary artery
common carotid artery
facial artery
nearest to heart: common carotid artery –>external carotid artery—> facial artery —> maxillary artery: farthest from heart.
Which two muscles are most important in left deviation of the mandible?
Right lateral pterygoid and right medial pterygoid.
*Remember, pterygoid muscles on the right, make mandible deviate to the left and vice versa.