Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
What nerve innervates all of the muscles of facial expression? |
CN VII - Facial nerve |
|
|
Diagram of the Muscles of the scalp |
|
|
Identify the labeled muscles |
A - Orbicularis oculi B - Zygomaticus C - Buccinator D - Orbicularis Oris E - Epicranius F - Frontal Belly of Epicranius G - Occipital belly of Epicranius H - Temporalis I - Masseter |
|
|
What connects the frontal and occipital bellies of the Epicranius? |
- the epicranial aponeurosis |
|
|
Which ones are the muscles of mastication? What is mastication? |
Muscles of mastication: - Masseter - Temporalis Mastication - chewing, the crushing and grinding of food by the teeth |
|
|
What is the action of the following muscles?
a) Frontalis/ Frontal belly of epicranius b) Occipitalis/ Occipital belly of epicranius c) Orbicularis Oculi d) Zygomaticus |
a) Frontalis/ Frontal belly of epicranius - raises eyebrows & wrinkles forehead horizontally b) Occipitalis/ Occipital belly of epicranius - fixes aponeurosis; pulls scalp posteriorly c) Orbicularis Oculi - closes eye d) Zygomaticus - raises the corners of the mouth as when smiling |
|
|
What is the action of the following muscles? a) Buccinator b) Orbicularis Oris c) Masseter d) Temporalis |
a) Buccinator - compresses cheek b) Orbicularis Oris - closes lips and allows puckering lips c) Masseter - elevates the mandible d) Temporalis - elevates and retracts the mandible |
|
|
Diagram showing the Temporomandibular Joint (TMJ) What is the structural classification of the TMJ? |
structural: Synovial hinge functional: diarthrotic |
|
|
What are the types of movement of the TMJ and what do they mean? |
a) Elevation - lifting the mandible to close mouth b) Depression - lowering mandible, open mouth c) Protraction - pushing mandible anteriorly d) Retraction - pulling mandible posteriorly |
|
|
Where is the Atlanto occipital joint? |
- between the occiput and atlas (first vertebra) |
|
|
What is the structural and functional classification of the Atlanto-occipital joint? What type of movement is it capable of? |
Structural - synovial hinge (modified) Functional - diarthrotic Movement - circumduction |
|
|
What is a suture?
What is its functional classification?
What type of movement is it capable of? |
Suture - a seam-like immovable junction between 2 bones
Functional - Synarthrotic
Movement - none |
|
Identify the indicated sutures |
A - Lambdoid suture B - Coronal suture C - Squamous suture |
|
Identify the indicated sutures |
A - Lambdoid suture B - Sagittal suture |
|
|
What are fontanels? |
Fontanels - unossified remnants of fibrous membranes (in infants) |
|
Identify the indicated areas on a newborn skull |
A - Posterior fontanelle B - Posterior fontanelle C - Mastoid (Posteriolateral) fontanelle D - Anterior fontanelle E - Sphenoidal (Anteriolateral) fontanelle |
