Chapter 4 Muscles Questions
4 paired muscles of mastication attached to the mandible are:
"More Tea, Less Milk" Masseter Temporalis Lateral pterygo Medial pterygo
How many INFRAhyoid muscles are there?
4
How many main muscle groups are there?
7
Which muscle helps keep food pushed back on the occlusal surfaces when you chew due to the labial commissures pulling vertically and horizontally
Buccinator -boards
This muscle originates in the frontal bone (supraorbital) and inserted in the eyebrow skin. It's the sad face I make when I fail another test.
Corrugator supercilii
Which facial muscle originates from the inferior border of the MANDIBLE and inserts on the LOWER LIP. Depressing the mandibular incisor teeth. (DHG constantly fight it)
DA Oris
This SUPRAhyoid muscle has two SEPARATE bellies. These split into anterior and posterior and look similar to a "D"...
Diastric muscle
What are the TWO actions of SUPRAhyoid muscles?
Elevation of the hyoid bone and opening on the mandible
Boo! Scared ya, which muscle was used when raising your eye brows?
Epicranial
Frontal and occipital bellies are from the ______ muscle.
Epicranial muscle.
This set of muscles is innervated by the FACIAL nerve and receives its blood supply through the FACIAL artery.
Facial Muscles
T/F The muscles of the soft palate consist of FIVE single muscles. They are involved in speak and swallowing
False paired, true
The three extrinsic tongue muscles are...
Genio Stylo Hyo
Which tongue muscle prevents the tongue from sinking back and obstructing respiration?
Genioglossus
Which set of muscles lie INFERIOR to the hyoid bone and are all innervated by the second and third cervical nerves?
INFRAhyoid muscles
Which muscle raises the soft palate to contract the posterior pharyngeal wall?
LA Palatini
Which muscle originates from the CANINE MAXILLA and inserts on the commissures? It ELEVATES upper lip.
LA. Oris
Which muscle used in mastication is short, thick and almost conical in shape?
Lat Pterygoid
Which Muscle of Mastication is flat, lies anterior to the parotid gland and INSERTS on the ramus of the mandible?
Masseter muscle
Which muscle forms the floor of the sublingual space?
Mylohyoid
The pharynx consists of three parts. What are their names?
Naso, oro, and laryngo
This INFRAhyoid muscle has TWO bellies and are joined by an intermediate tendon. What is it?
OMOhyoid muscle
Quick, kiss me...what muscle helps you pucker those lips and has NO bony attachment?
Orbicularis oris
All FACIAL muscles are ______ muscles.
Paired
Which tongue muscles forms the anterior faucial pillar?
PalatoGLOSSUS
Which tongue muscle forms the POSTERIOR faucial pillar?
PalatoPHARYNGEUS
Which soft palate muscle inserts in the LATERAL surface of the tongue?
Palatoglossus
Which tongue muscle elevates the base of the tongue and arches it again the soft palate?
Palatoglossus
Which muscle raises the pharynx and larynx and helps drive food inferiorly into the esophagus during swallowing?
Pharyngeal constrictor
What muscles are involved with speaking, swallowing, and middle ear function? These muscles are responsible for initiation the SWALLOWING process.
Pharynx muscles
Which facial expression muscle runs from the neck all the way to the mouth, superficial to the anterior cervical triangle?
Platysma
This facial muscle originates from the clavicle and shoulder. It then inserts in the mandible and muscles of the mouth
Platysma muscle
Fascia to masseter and INSERTED on the commissures. This muscle helps stretch and widen the mouth to form a smile.
Risorius
This muscle is the largest cervical muscle and is a primary landmark in the NECK.
Sternocleidomastoid
Which suprahyoid muscle has a superficial slip and a deep slip on either side of the intermediate tendon of the digastric muscle?
Stylohyoid
The muscle that is innerverated by the 9th cranial or glossopharyngeal nerve are?
Stylopharyngeus muscle
Which two intrinsic muscles of the tongue act together to shorten, thicken, and curl the tongue?
Superior and Inferior longitudinal
Acronym for INFRAhyoid muscles:
TOSS: Thyro Omo Sternothyroid Sternohyoid
T/F Hyoid muscles assist in mastication and swallowing due to the attachment of the hyoid bone.
TRUE
T/F SternoHYOID muscle is a INFRAhyoid muscles that lies SUPERficial to thyroid cartilage and gland.
TRUE
T/F The epicranial muscle has TWO bellies. They are separated by the epicranial aponeruosis.
TRUE
T/F The temporalis elevates the mandible and closes the jaw. it also involves retraction of the mandible if ONLY posterior contracts.
TRUE
T/F There are 15 facial muscles
TRUE
T/F Intrinsic muscles of the tongue use the 12 cranial (hypoglossal) nerve.
TRUE
T/F There are two CERVICAL muscles
TRUE
The transverse muscle of the tongue runs horizontally from median septum to lateral surface.
TRUE
t/f: The buccinator muscle forms the anterior portion of the cheek and later wall of the oral cavity.
TRUE
T/F ALL muscles of mastication are innervated by the mandibular division of the trigeminal (5th cranial) nerve.
TRUE-boards
This muscle is fan shaped, originates from the TEMPORAL fossa and inserts on the CORONOID of the mandible.
Temporalis
This INFRAhyoid muscle lies DEEP to the omo and sternohyoid muscle. It also originates on the THYROID cartilage and inserts on the HYOID.
Thyrohyoid muscle
Which two intrinsic tongue muscles work together to make the tongue long and narrow?
Transverse and vertical
This muscle originates on the occipital bone and inserts on the lateral third of the clavical/scapula. This gives you a shrugging look.
Trapezius muscle.
T/F Mylohyoid muscle is SUPRAhyoid. It elevates they HYOID, depresses the MANDIBLE, and elevates the TONGUE.
True
T/F There are THREE pairs of extrinsic tongue muscles. They are innervated by the 12 cranial nerve
True
T/F Normal jaw opening involves the lateral pterygoid muscles, which also protrude the mandible and the anterior SUPRAhyoid muscles.
True
T/F The muscles of FACIAL expression are all innervated by the 7th cranial nerve. Their blood supply is from the FACIAL artery.
True- boards
The trapezius muscle is innervated by the 11th cranial nerve, or the _______ n, as well as the third and 4th cervical nerves.
accessory
This muscle compresses the cheek and is well developed in nursing infants, providing them with suction.
buccinator muscle
The movement that occurs when a muscle fiber ________ is the ACTION of the muscle.
contracts
The SUPRAhyoid muscles are involved in both elevating the hyoid bone and ______ the mandible
depressing
The Masseters action is
elevates mandible, closes jaw
Which two muscle groups depress the hyoid bone?
infra/supra hyoid muscles
this is the end of the muscle that is attached to the more MOVABLE structure.
insertion
When facial muscles contract the skin...
moves.
Which muscles are associated with the temporomandibular joint during action?
muscles of mastication
Smokers get wrinkles because they are using this muscle to grasp their cancer stick.
orbi ORIS
This facial muscle acts to shape and control the size of the mouth opening and has no body attachment
orbi oris.
Man, getting old is rough. I need to apply my eye cream. But which muscle do I place it on?
orbicularis oculi
This is the end of the muscle that is attached to the LEAST movable structure.
origin
Platysma
raises the skin of the neck; oopsie shrug.
superior longitudinal muscle of the tongue
runs oblique from base to apex
Facial muscles originate from the BONE and insert on the
skin tissue.
Zygo major, minor, levator oris and risorius are all involved in...
smiling
This cervical muscle originates on the clavical and sternum. Then inserts on the mastoid process of the temporal bone.
sternocleidomastoid
The TWO cervical muscles are:
sternocleidomastoid trapezius
The FOUR sets of INTRINSIC tongue muscles include
sup long transverse vertical inf long
Muscle responsible for retraction of the mandible
temporalis
Levator labii NASI is inserted on
the ala and upper lip
There are 4 pairs of muscles of mastication that are attached to what?
the mandible
