Cranial Nerves Flashcards
What is the name of the first cranial nerve?
Olfactory nerve
What is the primary function of the optic nerve?
Vision (II) sensory
transmits from retina to brain
True or False: The oculomotor nerve is responsible for eye movement.
True
Which cranial nerve is responsible for hearing and balance?
Vestibulocochlear nerve
Fill in the blank: The trigeminal nerve is responsible for sensation in the _____ and motor functions such as biting and chewing.
face
What is the function of the facial nerve (VII)?
Facial expressions and taste sensations from the anterior two-thirds of the tongue
Sensory & motor
Multiple choice: Which cranial nerve is involved in taste from the posterior one-third of the tongue? A) Vagus B) Hypoglossal C) Glossopharyngeal
C) Glossopharyngeal (IV)
Sensory & motor
What is the primary role of the vagus nerve?
Regulation of internal organ functions, including heart rate and digestion
True or False: The accessory nerve controls shoulder and neck muscles.
True
Which cranial nerve controls tongue movements?
Hypoglossal nerve (VII)
Motor
Fill in the blank: The _____ nerve is responsible for the sense of smell.
olfactory (I)
Sensory
What is the primary function of the abducens (VI) nerve?
Lateral eye movement, outward towards ears
motor
Multiple choice: Which of the following cranial nerves is NOT a sensory nerve? A) Olfactory B) Optic C) Oculomotor
C) Oculomotor (III)
What type of nerve is the trigeminal nerve (V)?
Mixed nerve (sensory and motor)
Facial sensation and chewing
True or False: The facial nerve (VII) has both sensory and motor functions.
True
Which cranial nerve is also known as cranial nerve X?
Vagus nerve
sensory & motor
heart rate & digestion
Fill in the blank: The _____ nerve is essential for swallowing and gag reflex.
glossopharyngeal (IX)
Sensory & motor
What is the function of the trochlear nerve (IV)
Eye movement, specifically downward and inward towards nose
Motor
Multiple choice: The vestibulocochlear nerve is also known as: A) Cranial nerve VII B) Cranial nerve VIII C) Cranial nerve IX
B) Cranial nerve VIII
What is the main function of the hypoglossal nerve (XII)
Control of tongue movements
motor
True or False: The oculomotor nerve only has motor functions.
True
Which cranial nerve is responsible for the sensation of taste from the anterior two-thirds of the tongue?
Facial nerve
Fill in the blank: The _____ nerve plays a key role in the autonomic control of the heart and digestive tract.
vagus
What is the function of the accessory nerve (XI)?
Shoulder and neck movement
Motor
Multiple choice: The trigeminal nerve has how many branches? A) One B) Two C) Three
C) Three
What cranial nerve is involved in eye movement and pupil dilation?
Oculomotor nerve III (motor)
What is the mnemonic used to remember the cranial nerves?
Oh, Oh, Oh, To Touch And Feel Very Green Vegetables, AH!
How many cranial nerves are there?
There are 12 cranial nerves.
Which cranial nerve is responsible for smell?
Cranial Nerve I (Olfactory nerve).
Sensory
Which cranial nerve is the optic nerve?
Cranial Nerve II.
Sensory
What is the function of cranial nerve III?
It is responsible for eye movement (looking up) and pupil constriction/dilation.
Motor
Which cranial nerve controls facial expressions?
Cranial Nerve VII (Facial nerve)
sensory & motor
What is the mnemonic for remembering whether cranial nerves are sensory, motor, or both?
Some Say Marry Money But My Brother Says Big Brains Matter More.
Which cranial nerves are purely sensory?
Cranial Nerves I, II, and VIII.
True or False: Cranial Nerve V is purely motor.
False.
What does cranial nerve X (Vagus nerve) primarily control?
It controls the heart, lungs, and digestive tract.
Which cranial nerve is responsible for hearing and balance?
Cranial Nerve VIII (Vestibulocochlear nerve). Sensory
Fill in the blank: Cranial Nerve ____ is responsible for tongue movements.
XII (Hypoglossal nerve). motor
What type of nerve is cranial nerve IX?
Glossopharyngeal. It is a mixed nerve (sensory and motor).
Which cranial nerve is responsible for the sense of taste from the posterior third of the tongue?
Cranial Nerve IX (Glossopharyngeal nerve). Sensory & Motor
What does cranial nerve VI (Abducens nerve) control?
It controls lateral eye movement. Motor
True or False: Cranial nerve IV (Trochlear nerve) is the only cranial nerve that emerges from the dorsal aspect of the brainstem.
True.
Which cranial nerve is responsible for the movement of the muscles of mastication?
Cranial Nerve V (Trigeminal nerve). Sensory & motor
Which cranial nerve is involved in autonomic functions like heart rate?
Cranial Nerve X (Vagus nerve).
Sensory & motor
What is the primary function of cranial nerve XI (Accessory nerve)?
It controls shoulder and neck muscles.
Motor
Fill in the blank: Cranial Nerve ____ is involved in the gag reflex.
IX (Glossopharyngeal nerve).
Sensory & motor
What is the mnemonic for remembering cranial nerves in order?
I - Olfactory, II - Optic, III - Oculomotor, IV - Trochlear, V - Trigeminal, VI - Abducens, VII - Facial, VIII - Vestibulocochlear, IX - Glossopharyngeal, X - Vagus, XI - Accessory, XII - Hypoglossal.
Which cranial nerve is responsible for taste from the anterior two-thirds of the tongue?
Cranial Nerve VII (Facial nerve).
Sensory & motor
What type of nerve is cranial nerve I?
Sensory. (olfactory)
What is the function of cranial nerve II?
Vision. (Optic)
Sensory
Which cranial nerves are responsible for the movement of the eye muscles?
Cranial Nerves: III oculomotor, IV trochlear, and VI abducens.
