Question 1

Depression of the mandible is accomplished by which of the following muscles? (Select all that apply.)

Accepted Answer

A)  Geniohyoid 
B)  Posterior belly of the digastric 
C)  Mylohyoid 
D)  Buccinator 
E)  Anterior belly of the digastric 
A)  Geniohyoid 
B)  Posterior belly of the digastric 
C)  Mylohyoid 
D)  Buccinator 
E)  Anterior belly of the digastric

Question 2

Which of the following statements is incorrect?

Accepted Answer

A)  The lateral pterygoid muscle inserts on both the articular capsule and the articular disc of the temporomandibular joint. 
B)  Acting together, the lateral pterygoid muscles protrude the mandible. 
C)  The masseter muscle has a superficial and a deep head. 
D)  The medial pterygoid muscles elevate and protrude the mandible. 
E)  The fibers of the medial pterygoid muscle lie at right angles to those of the masseter muscle. 
A)  The lateral pterygoid muscle inserts on both the articular capsule and the articular disc of the temporomandibular joint. 
B)  Acting together, the lateral pterygoid muscles protrude the mandible. 
C)  The masseter muscle has a superficial and a deep head. 
D)  The medial pterygoid muscles elevate and protrude the mandible. 
E)  The fibers of the medial pterygoid muscle lie at right angles to those of the masseter muscle.

Question 3

The anterior boundary of the infratemporal fossa is formed by the ____ bone.

Accepted Answer

A)  maxillary 
B)  sphenoid 
C)  temporal 
D)  zygomatic 
E)  parietal 
A)  maxillary 
B)  sphenoid 
C)  temporal 
D)  zygomatic 
E)  parietal

Question 4

What muscle causes the gliding motion of the mandibular condyle over the articular eminence?

Accepted Answer

The answer of What muscle causes the gliding motion of...

Question 5

Retrusion of the jaw is accomplished by which of the following muscles?

Accepted Answer

A)  Buccinator 
B)  Medial pterygoid 
C)  Temporalis 
D)  Masseter 
E)  Lateral pterygoid 
A)  Buccinator 
B)  Medial pterygoid 
C)  Temporalis 
D)  Masseter 
E)  Lateral pterygoid

Question 6

The inferior boundary of the temporal fossa is the ____________________.

Accepted Answer

The answer of The inferior boundary of the temporal fossa...

Question 7

Which of the following accessory muscles of mastication share the same general innervation as the primary muscles of mastication? (Select all that apply.)

Accepted Answer

A)  Geniohyoid 
B)  Buccinator 
C)  Posterior belly of the digastric 
D)  Mylohyoid 
E)  Anterior belly of the digastric 
A)  Geniohyoid 
B)  Buccinator 
C)  Posterior belly of the digastric 
D)  Mylohyoid 
E)  Anterior belly of the digastric

Question 8

Accessory muscles of mastication innervated by the facial nerve include the (select all that apply)

Accepted Answer

A)  geniohyoid. 
B)  buccinator. 
C)  posterior belly of the digastric. 
D)  mylohyoid. 
E)  anterior belly of the digastric. 
A)  geniohyoid. 
B)  buccinator. 
C)  posterior belly of the digastric. 
D)  mylohyoid. 
E)  anterior belly of the digastric.

Question 9

Which of the following statements is incorrect?

Accepted Answer

A)  The articular capsule of the temporomandibular joint attaches peripherally to the articular disc. 
B)  The articular disc of the temporomandibular joint is biconcave. 
C)  The retrodiscal pad lies behind the articular disc of the temporomandibular joint. 
D)  The stylomandibular ligament helps to stabilize the temporomandibular joint. 
E)  The sphenomandibular ligament of the temporomandibular joint limits posterior displacement of the joint. 
A)  The articular capsule of the temporomandibular joint attaches peripherally to the articular disc. 
B)  The articular disc of the temporomandibular joint is biconcave. 
C)  The retrodiscal pad lies behind the articular disc of the temporomandibular joint. 
D)  The stylomandibular ligament helps to stabilize the temporomandibular joint. 
E)  The sphenomandibular ligament of the temporomandibular joint limits posterior displacement of the joint.

Question 10

Which of the following bones forms the lateral boundary of the infratemporal fossa?

Accepted Answer

A)  Sphenoid 
B)  Temporal 
C)  Zygomatic 
D)  Mandible 
E)  Parietal 
A)  Sphenoid 
B)  Temporal 
C)  Zygomatic 
D)  Mandible 
E)  Parietal

Question 11

Which of the following muscles of mastication are located in the infratemporal fossa? (Select all that apply.)

Accepted Answer

A)  Temporalis 
B)  Lateral pterygoid 
C)  Masseter 
D)  Buccinator 
E)  Medial pterygoid 
A)  Temporalis 
B)  Lateral pterygoid 
C)  Masseter 
D)  Buccinator 
E)  Medial pterygoid

Question 12

Match the muscle with its correct origin.
-Pterygomandibular raphe

Accepted Answer

A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric 
A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric

Question 13

The ____________________ separates the mandibular fossa from the tympanic portion of the temporal bone.

Accepted Answer

external a

Question 14

What two movements are required to open the mouth?

Accepted Answer

A hinge movement partially ope

Question 15

The mandibular notch is found between the coronoid process of the mandible and the

Accepted Answer

A)  alveolar process. 
B)  mental tubercle. 
C)  condylar process. 
D)  coronoid notch. 
E)  oblique line. 
A)  alveolar process. 
B)  mental tubercle. 
C)  condylar process. 
D)  coronoid notch. 
E)  oblique line.

Question 16

Match the muscle with its correct origin.
-Temporalis fascia

Accepted Answer

A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric 
A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric

Question 17

Match the muscle with its correct origin.
-Mylohyoid line

Accepted Answer

A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric 
A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric

Question 18

The masseter muscle originates from the

Accepted Answer

A)  lateral pterygoid plate. 
B)  maxillary tuberosity. 
C)  zygomatic arch. 
D)  ramus of the mandible. 
E)  greater wing of the sphenoid bone. 
A)  lateral pterygoid plate. 
B)  maxillary tuberosity. 
C)  zygomatic arch. 
D)  ramus of the mandible. 
E)  greater wing of the sphenoid bone.

Question 19

The ____________________ muscle inserts into the articular disc of the TMJ.

Accepted Answer

The answer of The ____________________ muscle inserts into the articular...

Question 20

Match the muscle with its correct origin.
-Mental spine

Accepted Answer

A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric 
A)  Mylohyoid 
B)  Lateral pterygoid 
C)  Buccinator 
D)  Masseter 
E)  Anterior belly of the digastric
F) Temporalis
G) Geniohyoid
H) Medial pterygoid
I) Posterior belly of the digastric

Depression of the mandible is accomplished by which of the following muscles? (Select all that apply.)

Which of the following statements is incorrect?

The anterior boundary of the infratemporal fossa is formed by the ____ bone.

What muscle causes the gliding motion of the mandibular condyle over the articular eminence?

Retrusion of the jaw is accomplished by which of the following muscles?

The inferior boundary of the temporal fossa is the ____________________.

Which of the following accessory muscles of mastication share the same general innervation as the primary muscles of mastication? (Select all that apply.)

Accessory muscles of mastication innervated by the facial nerve include the (select all that apply)

Which of the following statements is incorrect?

Which of the following bones forms the lateral boundary of the infratemporal fossa?

Which of the following muscles of mastication are located in the infratemporal fossa? (Select all that apply.)

Match the muscle with its correct origin. -Pterygomandibular raphe

The ____________________ separates the mandibular fossa from the tympanic portion of the temporal bone.

What two movements are required to open the mouth?

The mandibular notch is found between the coronoid process of the mandible and the

Match the muscle with its correct origin. -Temporalis fascia

Match the muscle with its correct origin. -Mylohyoid line

The masseter muscle originates from the

The ____________________ muscle inserts into the articular disc of the TMJ.

Match the muscle with its correct origin. -Mental spine

Essentials of Anatomy

Skull and Cervical Vertebrae

Regional Anatomy of the Neck

Pharynx, Larynx, and Soft Palate

Muscles of Facial Expression

Nasal Cavity and Paranasal Sinuses

Oral Cavity

Salivary Glands

Fascial Spaces and the Spread of Infection

Vascular Supply of the Head and Neck

Lymphatic Drainage of the Head and Neck

Brain and Spinal Cord

Sensory and Motor Pathways

Autonomic Nervous System

Cranial Nerves

Trigeminal Nerve

Anatomy of Intraoral Injections

Orofacial Reflexes

Filters

Exam 7: Muscles of Mastication and the Temporomandibular Joint

Depression of the mandible is accomplished by which of the following muscles? (Select all that apply.)

Which of the following statements is incorrect?

The anterior boundary of the infratemporal fossa is formed by the ____ bone.

What muscle causes the gliding motion of the mandibular condyle over the articular eminence?

Retrusion of the jaw is accomplished by which of the following muscles?

The inferior boundary of the temporal fossa is the ____________________.

Which of the following accessory muscles of mastication share the same general innervation as the primary muscles of mastication? (Select all that apply.)

Accessory muscles of mastication innervated by the facial nerve include the (select all that apply)

Which of the following statements is incorrect?

Which of the following bones forms the lateral boundary of the infratemporal fossa?

Which of the following muscles of mastication are located in the infratemporal fossa? (Select all that apply.)

Match the muscle with its correct origin. -Pterygomandibular raphe

The ____________________ separates the mandibular fossa from the tympanic portion of the temporal bone.

What two movements are required to open the mouth?

The mandibular notch is found between the coronoid process of the mandible and the

Match the muscle with its correct origin. -Temporalis fascia

Match the muscle with its correct origin. -Mylohyoid line

The masseter muscle originates from the

The ____________________ muscle inserts into the articular disc of the TMJ.

Match the muscle with its correct origin. -Mental spine

Essentials of Anatomy

Skull and Cervical Vertebrae

Regional Anatomy of the Neck

Pharynx, Larynx, and Soft Palate

Muscles of Facial Expression

Nasal Cavity and Paranasal Sinuses

Oral Cavity

Salivary Glands

Fascial Spaces and the Spread of Infection

Vascular Supply of the Head and Neck

Lymphatic Drainage of the Head and Neck

Brain and Spinal Cord

Sensory and Motor Pathways

Autonomic Nervous System

Cranial Nerves

Trigeminal Nerve

Anatomy of Intraoral Injections

Orofacial Reflexes

Filters