Exam 16: Cranial Nerves

The trunk of the facial nerve can be found in the ____________________ gland before it divides into the five primary branches that supply the muscles of facial expression.

The mucous glands forming most of the central region of the soft palate are supplied by postganglionic parasympathetic fibers whose cell bodies are found in the ____________________.

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

A patient in your dental office presents with diplopia (double vision). Which of the following cranial nerves is most likely injured?

None of the cranial nerves contain preganglionic sympathetic fibers.

Match each cranial nerve with the correct foramen by which it exits the cranial cavity. Answers may be used once, more than once, or not at all. -Accessory nerve

Fibers from the trigeminal nerve exit the skull through which of the following openings? (Select all that apply.)

Postganglionic sympathetic nerve fibers in the head reach their target tissue by traveling on the ____________________ plexus.

The chorda tympani nerve contains preganglionic parasympathetic fibers.

Preganglionic parasympathetic fibers that synapse in the otic ganglion leave the brainstem in which of the following cranial nerves?

Some cranial nerves have gray and white communicating rami.

What are the motor functions of the glossopharyngeal nerve?

What are the five main branches of CN VII that innervate the muscles of facial expression?

Which of the following fiber types are found in spinal nerves? (Select all that apply.)

Match the fiber types to the cranial nerves. An answer can be used more than once. More than one answer can apply. -Spinal accessory

The trigeminal nerve (CN V) contains motor fibers.

Muscles capable of elevating the eyeball include (select all that apply)

Which of the following muscles is not innervated by the hypoglossal nerve?

The greater petrosal nerve is a branch of the glossopharyngeal nerve (CN IX).

While talking to one of your patients, you notice that he cannot move his right eye laterally, but his left eye moves in the medial direction. What nerve is affected?