Exam 3: Temporal Region

Question 1

Superior boundary for the temporal region

Answer 1

Temporal lines of the parietal and frontal bones

Question 2

Floor of the temporal region

Answer 2

Pterion (sphenoid, parietal, temporal, frontal bones)

Question 3

Major feature of temporal region

Answer 3

Temporlalis muscle

Question 4

Branches of the trigeminal nerve innervating the temporalis

Answer 4

Anterior and posterior deep temporal nerves (mandibular division)

Question 5

Sensory information form temporalis is carried in the trigeminal nerve to neurons in this nucleus of termination

Answer 5

Mesencephalic nucleus

Question 6

Superior boundary of infratemporal region

Answer 6

Greater wing of the sphenoid

Question 7

Anterior boundary of the infratemporal region

Answer 7

Infratemporal surface of maxilla

Question 8

Medial boundary of the infratemporal region

Answer 8

Lateral pterygoid plate of the sphenoid

Question 9

Lateral boundary of the infratemporal region

Answer 9

Ramus of the mandible

Question 10

Contents of infratemporal region

Answer 10

Medial and lateral pterygoid muscles, internal maxillary artery and branches, pterygoid venous plexus, internal maxillary vein, branches of the trigeminal and facial nerves and the otic ganglion

Question 11

Muscles of mastication

Answer 11

Temporalis, masseter, medial pterygoid, lateral pterygoid

Question 12

Branches of trigeminal nerve innervating masseter muscle

Answer 12

Masseter is nerve, mandibular division

Question 13

Branches of trigeminal nerve innervating lateral pterygoid

Answer 13

Lateral pterygoid nerve, mandibular division

Question 14

Branches of trigeminal nerve innervating medial pterygoid

Answer 14

Medial pterygoid nerve, mandibular division

Question 15

Sensory information from masseter, medial pterygoid, and lateral pterygoid muscles is carried in the trigeminal nerve to neurons in what nucleus of termination

Answer 15

Mesencephalic nucleus

Question 16

Parasympathetic ganglion located in infratemporal region

Answer 16

Otic ganglion

Question 17

Otic ganglion is part of neural pathway to

Answer 17

Parotid gland

Question 18

Nucleus of origin for parasympathetic pathway to the parotid gland is located in what cranial nerve

Answer 18

Glossopharyngeal nerve

Question 19

Attachment sites of stylomandibular ligament

Answer 19

Styloid process of the temporal bone to the angle of the mandible

Question 20

Attachment sites of sphenomandibular ligament

Answer 20

Spine of the sphenoid bone to the lingula of the mandible

Question 21

Sphenomandibular ligament represents

Answer 21

A remnant of Meckel’s cartilage of the first branchial arch

Question 22

Muscles that depress the mandible

Answer 22

Lateral pterygoid along with suprahyoid and infrahyoid muscles

Question 23

Muscles that retract the mandible (pull back the chin)

Answer 23

Temporalis