Temporal Fossa, Infratemporal Fossa and TMJ

It is the unison place of the right and left halves of the mandible.

• symphysis pubis

• linea alba

• symphysis menti

• mylohoid line

Mental Nerve is a direct branch of ____________ nerve.

• maxillary

• mandibular

• inferior alveolar

• superior alveolar

Lateral surface of the ramus of mandible gives attachment to which mastication muscle?

• Temporalis

• Masseter

• Lateral Pterygoid

• Medial Pterygoid

The meeting point in the floor of the temporal fossa where four skull bones meet is _________________.

• pterion

• submandibular fossa

• pterygoid

• lingula

Which artery passes deep to the pterion and where does it branch from?

• middle meningeal artery; maxillary artery

• inferior alveolar artery; mandibular artery

• superficial inguinal artery; femoral artery

• chorda tympani nerve; X CN

Blow to the lateral part of the skull can lead to ______________.

• extradural hematoma

• gastritis

• extradural obstruction

• appendicitis

Infratemporal fossa is an irregularly shaped space deep and inferior to the ______________.

• greater wing of sphenoid

• lateral pterygoid plate

• zygomatic arch

• infratemporal crest

Which mastication muscle is the only muscle that depresses the jaw?

• Temporalis

• Lateral Pterygoid

• Masseter

• Medial Pterygoid

Maxillary Artery is the larger terminal branch of ________________.

• Trigeminal Nerve

• External Carotid Artery

• Mandibular Artery

• Superior Vena Cava

Pterygoid plexus of veins is drained by ______________.

• maxillary artery

• mandibular artery

• submandibular artery

• alveolar artery