Ch. 4 - Text Review Questions Flashcards
Both the origin of the frontal belly of the epicranial muscle & the insertion of its occipital belly are at the:
a) clavicle & sternum.
b) mastoid process.
c) epicranial aponeurosis.
d) pterygomandibular raphe.
C) EPICRANIAL APONEUROSIS.
Which of the following muscles is considered a muscle of mastication?
a) Buccinator
b) Risorius
c) Mentalis
d) Masseter
e) Corrugator supercilii
D) MASSETER
The origin of a muscle is considered to be:
a) the starting point of a muscle.
b) where the muscle fibers join the bone tendon.
c) the muscle end attached to the least movable structure.
d) the muscle end attached to the most movable structure.
C) THE MUSCLE END ATTACHED TO THE LEAST MOVABLE STRUCTURE.
Which of the following muscle pairs is divided by a median septum?
a) Geniohyoid
b) Masseter
c) Digastric
d) Transverse
e) Vertical
D) TRANSVERSE
Which of the following paired muscles unite medially, forming the floor of the mouth?
a) Geniohyoid
b) Omohyoid
c) Digastric
d) Mylohyoid
e) Transverse
D) MYLOHYOID
Which of the following muscle groups listed below serve to depress the hyoid bone?
a) Muscle of mastication
b) Suprahyoid muscles
c) Infrahyoid muscles
d) Intrinsic tongue muscles
e) Extrinsic tongue muscles
C) INFRAHYOID MUSCLES
Which of the following muscles has two bellies, giving the muscle two different origins?
a) Lateral pterygoid
b) Geniohyoid
c) Thyrohyoid
d) Stylohyoid
A) LATERAL PTERYGOID
Which of the following is the MOST commonly used muscle when the patient’s lips close around the saliva ejector?
a) Risorius
b) Mentalis
c) Mylohyoid
d) Buccinator
e) Orbicularis oris
E) ORBICULARIS ORIS
Which of the following muscle groups is involved in both elevating the hyoid bone & depressing the mandible?
a) Muscles of mastication
b) Suprahyoid muscles
c) Infrahyoid muscles
d) Intrinsic tongue muscles
e) Extrinsic tongue muscles
B) SUPRAHYOID MUSCLES
Which muscle can make the patient’s oral vestibule more shallow, thereby making dental work sometimes difficult?
a) Mentalis
b) Zygomaticus major
c) Depressor anguli oris
d) Levator anguli oris
A) MENTALIS
Which of the following muscle groups is innervated by the facial nerve?
a) Intrinsic tongue muscles
b) Extrinsic tongue muscles
c) Muscles of facial expression
d) Muscles of mastication
C) MUSCLES OF FACIAL EXPRESSION
Which of the following muscle groups inserts directly on the hyoid bone?
a) Geniohyoid, stylohyoid, & omohyoid muscles
b) Masseter, stylohyoid, & digastric muscles
c) masseter, buccinator, & omohyoid muscles
d) Palatopharyngeus, palatoglossus muscles, & muscle of the uvula
A) GENIOHYOID, STYLOHYOID, & OMOHYOID MUSCLES
Which of the following muscles is used when a patient grimaces?
a) Epicranial
b) Corrugator supercilii
c) Risorius
d) Mentalis
C) RISORIUS
Which of the following muscles is an extrinsic muscle of the tongue?
a) Geniohyoid muscle
b) Hyoglossus muscle
c) Mylohyoid muscle
d) Transverse muscle
e) Vertical muscle
B) HYOGLOSSUS MUSCLE
Which muscle of facial expression compresses the cheeks during chewing, assisting the muscles of mastication?
a) Risorius
b) Buccinator
c) Mentalis
d) Orbicularis oris
e) Masseter
B) BUCCINATOR
Which of the following statements concerning the masseter muscle is CORRECT?
a) Most superficial muscle of facial expression
b) Originates from the zygomatic arch
c) Inserts on medial surface of the mandible’s angle
d) Depresses the mandible during jaw movement
B) ORIGINATES FROM THE ZYGOMATIC ARCH
Which of the following muscles forms the anterior faucial pillar in the oral cavity?
a) Palatoglossus
b) Palatopharyngeus
c) Stylopharyngeus
d) Tensor veli palatini
A) PALATOGLOSSUS
Which of the following situations occurs when BOTH sternocleidomastoid muscles are used by the patient?
a) Neck is drawn laterally
b) Head flexes at the neck
c) Chin moves superiorly to the contralateral side
d) Head rotates & is drawn to the shoulders
B) HEAD FLEXES AT THE NECK
Which muscle does NOT aid in smiling with the lips when it contracts?
a) Zygomatic major muscle
b) Levator anguli oris muscle
c) Zygomaticus minor muscle
d) Epicranial muscle
D) EPICRANIAL MUSCLE
Which muscle is located just deep to the skin of the neck?
a) Platysma
b) Buccinator
c) Risorius
d) mentalis
A) PLATYSMA
Which muscle listed is considered MOST superior on the head & neck?
a) Corrugator supercilii muscle
b) Zygomatic major muscle
c) Superior pharyngeal constrictor muscle
d) Superior belly of the omohyoid muscle
A) CORRUGATOR SUPERCILII MUSCLE
Which muscle listed below, when contracted, causes a frown?
a) Zygomaticus minor muscle
b) Levator anguli oris muscle
c) Depressor anguli oris muscle
d) Risorius muscle
C) DEPRESSOR ANGULI ORIS MUSCLE
Which muscle listed below is MOST superficial in regards to location?
a) Masseter muscle
b) Medial pterygoid muscle
c) Lateral pterygoid muscle
d) Superior pharyngeal constrictor muscle
A) MASSETER MUSCLE
Which of the following muscle pairs are considered to be intrinsic tongue muscles?
a) Superior longitudinal
b) Genioglossus
c) Styloglossus
d) Hyoglossus
A) SUPERIOR LONGITUDINAL
All of the muscles of the pharynx are known to be involved in:
a) closing the jaw.
b) facial expression.
c) middle ear function.
d) stabilization of the mandible.
C) MIDDLE EAR FUNCTION.
Which of the following nerves innervates the temporalis muscle?
a) 1st cervical nerve by way of the hypoglossal nerve
b) 9th cranial nerve or glossopharyngeal nerve
c) Maxillary branch of the trigeminal nerve
d) Mandibular branch of the trigeminal nerve
e) 7th cranial nerve or facial nerve
D) MANDIBULAR BRANCH OF THE TRIGEMINAL NERVE
Which muscle’s activity helps to prevent the tongue from sinking back & obstructing respiration?
a) Genioglossus muscle
b) Stylopharyngeus muscle
c) Inferior longitudinal muscle
d) Palatoglossus muscle
A) GENIOGLOSSUS MUSCLE
