Nerve and Muscle Quiz

Which nerve innervates the orbicularis oris muscle?

• Trigeminal nerve (V3)

• Facial nerve (VII)

• Glossopharyngeal nerve (IX)

• Accessory nerve (XI)

Which nerve innervates the posterior belly of the digastric muscle?

• Facial nerve (VII)

• Trigeminal nerve (V3)

• Glossopharyngeal nerve (IX)

• Hypoglossal nerve (XII)

Which salivary gland is associated with Wharton's duct?

• Parotid gland

• Submandibular gland

• Sublingual gland

• Minor salivary glands

What is the insertion of the sternocleidomastoid muscle?

• Clavicle

• Mastoid process of the temporal bone

• Occipital bone

• Scapula

Which muscle lifts the clavicle and scapula (shrugging)?

• Trapezius

• Masseter

• Temporalis

• Sternocleidomastoid

Which nerve innervates the buccinator muscle?

• Trigeminal nerve (V3)

• Facial nerve (VII)

• Glossopharyngeal nerve (IX)

• Vagus nerve (X)

What is the action of the medial pterygoid muscle?

• Depresses the mandible

• Elevates the mandible

• Retracts the mandible

• Depresses the hyoid bone

Which muscle has two bellies, both involved in depressing the mandible and elevating the hyoid bone?

• Mylohyoid

• Digastric

• Stylohyoid

• Omohyoid

Which nerve innervates the medial pterygoid muscle?

• Mandibular nerve (V3)

• Facial nerve (VII)

• Glossopharyngeal nerve (IX)

• Accessory nerve (XI)

What is the insertion of the lateral pterygoid muscle?

• Coronoid process of the mandible

• Neck of the mandibular condyle

• Medial surface of the mandible

• Mastoid process