cranial nerves Flashcards
How many cranial nerves are there?
There are 12 cranial nerves.
What is the function of the olfactory nerve (Cranial Nerve I)?
The olfactory nerve is responsible for the sense of smell.
True or False: The optic nerve (Cranial Nerve II) is responsible for vision.
True.
Fill in the blank: The ________ nerve (Cranial Nerve III) controls most of the eye’s movements.
oculomotor
What type of nerve is the trigeminal nerve (Cranial Nerve V)?
It is a mixed nerve, with sensory and motor functions.
Which cranial nerve is responsible for facial expressions?
The facial nerve (Cranial Nerve VII).
Multiple Choice: Which cranial nerve is involved in hearing and balance? A) Vagus B) Vestibulocochlear C) Accessory D) Hypoglossal
B) Vestibulocochlear.
What is the primary function of the glossopharyngeal nerve (Cranial Nerve IX)?
It is involved in taste and the gag reflex.
True or False: The vagus nerve (Cranial Nerve X) is the longest cranial nerve.
True.
Fill in the blank: The ________ nerve (Cranial Nerve XI) controls the muscles of the neck.
accessory
What is the primary role of the hypoglossal nerve (Cranial Nerve XII)?
It controls tongue movements.
Multiple Choice: Which cranial nerve has both sensory and motor functions? A) Olfactory B) Optic C) Trigeminal D) Abducens
C) Trigeminal.
What cranial nerve is responsible for the sense of taste on the anterior two-thirds of the tongue?
The facial nerve (Cranial Nerve VII).
True or False: The abducens nerve (Cranial Nerve VI) innervates the lateral rectus muscle.
True.
Fill in the blank: The ________ nerve (Cranial Nerve VIII) is also known as the auditory nerve.
vestibulocochlear
What cranial nerve is responsible for controlling the muscles of mastication?
The trigeminal nerve (Cranial Nerve V).
Multiple Choice: Which cranial nerve is NOT a mixed nerve? A) Vagus B) Facial C) Olfactory D) Trigeminal
C) Olfactory.
What cranial nerve is involved in regulating heart rate and digestive tract function?
The vagus nerve (Cranial Nerve X).
True or False: The trochlear nerve (Cranial Nerve IV) is the smallest cranial nerve.
True.
Fill in the blank: The ________ nerve (Cranial Nerve III) also controls the constriction of the pupil.
oculomotor
