muscular anatomy mcqs Flashcards
(30 cards)
both the origin of the frontal belly of the epicranial muscle and the insertion of its occipital belly are at the?
epicranial aponeurosis
which of the following is considered a muscle of mastication? Buccinator, risorius, mentalis, masseter?
masseter
the origin of a muscle is?
the muscle end attached to the least movable structure
which muscle pair is divided by a median septum?
transverse muscle of the tongue
which paired muscles unite medially, forming the floor of the mouth?
mylohyoid
Which muscle groups depress the hyoid bone?
infra hyoid
Which of the following muscle has two bellies, giving the muscle two different origins?
A. Lateral pterygoid B. Geniohyoid C. Thyrohyoid
lateral pterygoid
The most important muscle used when lips close around the saliva ejector?
orbicularis oris
Muscle group involved in elevating the hyoid bone and depressing the mandible?
Suprahyoid muscles
Muscle group innervated by facial nerve?
muscles of facial expression
which muscle can make patients vestibule shallower and make dental work difficult?
mentalis
muscle groups inserts directly on the hyoid bone?
Geniohyoid, stylohyoid, omohyoid
Which muscle is used when a patient grimaces?
risorius
Which muscle group is innervated by the cervical nerves?
infrahyoid muscles
Muscle that is an extrinsic muscle of the tongue?
hyoglossus
Muscle compresses the cheeks during chewing, assisting the muscles of mastication?
buccinator
The superior pharyngeal constrictor muscle is noted to?
Inserts on the median pharyngeal raphe
the masseter muscle originates
on the zygomatic arch
muscle creates the anterior faucial pillar in the oral cavity
palatoglossus muscle
What happens when both sternocleidomastoid muscles are used by the patient?
head flexes at the neck
Which muscle does NOT aid in smiling with the lips when it contracts?
A. Zygomatic major B. Levator anguli oris C. Zygomaticus minor D. Epicranial muscle
epicranial muscle
Muscle lies just deep to the skin of the neck?
platysma
Most superior muscle?
A. Corrugator supercilli B. Zygomatic major C. Superior pharyngeal constrictor D. Superior belly of omohyoid
Corrugator supercilli
Muscle when contracted causes a frown?
depressor angle oris