Face and Skull Flashcards
The mastoid process is a feature of which cranial bone?
Temporal bone
Where is the anterior fontanelle located?
In the midline, at the intersection of the parietal and frontal bones - or at the junction of the sagittal, coronal, and metopic sutures (the metopic suture is the temporary suture between the two frontal bones which remain paired for a short period after birth)
The styloid process is a feature of which cranial bone?
temporal bone
Is the following muscle a muscle of facial expression or muscle of mastication?
Platysma
Facial Expression
Is the following muscle a muscle of facial expression or muscle of mastication?
Orbicularis Oris
Facial Expression
Is the following muscle a muscle of facial expression or muscle of mastication?
Buccinator
Facial Expression
Is the following muscle a muscle of facial expression or muscle of mastication?
Medial Pterygoid
Mastication
Is the following muscle a muscle of facial expression or muscle of mastication?
Masseter
Mastication
Is the following muscle a muscle of facial expression or muscle of mastication?
Zygomatic Major
Facial Expression
Is the following muscle a muscle of facial expression or muscle of mastication?
Temporalis
Mastication
Which cranial nerve innervates the muscles of facial expression?
CN VII - Facial
Which cranial nerve is responsible for the sensory innervation of the face?
CN V - Trigeminal
Which cranial nerve is damaged in the condition known as Bell’s palsy?
CN VII - Facial
Which of the following arteries are not branches of the external carotid artery?
Facial, lingual, retromandibular, occipital, maxillary, superior thyroid, inferior thyroid
Retromandibular - name of facial vein
Inferior Thyroid
By convention, how many layers of tissue make up the scalp?
Which of these constitute the scalp proper?
The scalp is composed of 5 layers
Layers 1-3 constitute the scalp proper
Skin, connective, aponeurosis, loose connective tissue, pericranium
In which layer of the scalp are the nerves and vessels located?
Layer 2 - Connective Tissue
Which layer of the scalp is known as the dangerous area?
Layer 4 - Loose Connective Tissue
Due to potential spaces that may distend with fluid as a result of injury or infection (i.e. pus or blood spreads easily in it) Infection can pass into cranial cavity through emmissary veins
In what anatomical region would you find the origin of the branches of the maxillary artery?
Infratemporal Fossa
In what anatomical region would you find the origin of the branches of the mandibular nerve (V3)?
Infratemporal Fossa
The parasympathetic fibers from the otic ganglion travel to which gland?
Parotid Gland
Which cranial nerve innervates the muscles that cause movement at the TMJ?
CN V - Trigeminal
Muscles that move the TMJ are the muscles of mastication
Which cranial nerve can be found dividing into several branches inside the parotid gland?
CN VII - Facial
Which small space inside the skull is situated between the nasal cavity and the infratemporal fossa?
Pterygopalatine Fossa
Where would you find the palpebral portion of the orbicularis oculi muscles?
On the eyelids
