The channels of temporal bone

1. Which canal transmits the internal carotid artery?

• Stylomastoid foramen

• Jugular foramen

• Carotid canal

• Petrotympanic fissure

2. The internal acoustic meatus is located on which part of the temporal bone?

• Mastoid part

• Tympanic part

• Squamous part

• Petrous part

3.Which nerve exits the skull through the stylomastoid foramen?

• Vestibulocochlear nerve

• Facial nerve

• Glossopharyngeal nerve

• Hypoglossal nerve

4.The petrotympanic fissure transmits which nerve?

• Vestibulocochlear nerve

• Chorda tympani nerve

• Glossopharyngeal nerve

• Hypoglossal nerve

5.Which structure passes through the jugular foramen?

• Optic nerve

• Internal jugular vein

• Facial nerve

• Hypoglossal nerve

6.The mastoid foramen transmits which structures?

• Facial nerve and labyrinthine artery

• A vein connecting to the sigmoid sinus and occipital artery branch

• Vestibulocochlear nerve and tympanic artery

• Carotid artery and sympathetic plexus

7.Which cranial nerves pass through the internal acoustic meatus?

• CN VII and CN VIII

• CN IX and CN X

• CN V and CN VI

• CN XI and CN XII

8.The tympanic canaliculus transmits which nerve?

• Chorda tympani nerve

• Tympanic branch of the glossopharyngeal nerve

• Vestibulocochlear nerve

• Facial nerve

9.The external acoustic meatus is responsible for:

• Transmitting sound waves to the tympanic membrane

• Draining lymph to the mastoid lymph nodes

• Carrying blood to the middle ear

• Housing the cochlea

10.Which canal houses the internal carotid artery and sympathetic plexus?

• Internal acoustic meatus

• Carotid canal

• Stylomastoid foramen

• Mastoid foramen