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Name the purely SENSORY cranial nerves.
Olfactory Nerve (I), Optic Nerve (II), and the Vestibulocochlear Nerve (VIII)
Name the purely MOTOR cranial nerves.
Oculomotor Nerve (III), Trochlear Nerve (IV), Abducens Nerve (VI), Spinal Nerve (XI), and the Hypoglossal Nerve (XII)
Name the MIXED (sensory and motor) cranial nerves.
Trigeminal Nerve (V), Facial Nerve (VII), Glossopharyngeal Nerve (IX), and the Vagus Nerve (X)
The major functions of the OCULOMOTOR nerve (III) are
eye movements, including pupil dilation and constriction.
The major functions of the FACIAL nerve (VII) are
sensory qualities of taste and the tongue and movements that affect facial expressions, also allowing for salivation (a function of the autonomic nervous system).
The major functions of the GLOSSOPHARYNGEAL nerve (IX) are
sensory qualities of taste and tongue sensations, movements involved in swallowing, and also allowing for salivation and carotid body control of blood pressure (functions of the autonomic nervous system).
The major functions of the VAGUS nerve (X) are
sensory qualities of the outer ear, thoracic and abdominal viscera, movements involved in swallowing, and also thoracic and abdominal viscera function (function of the autonomic immune system).
The major functions of the SPINAL (accessory) nerve (XI) are
voluntary and reflex movements of the head and neck.
There are ____ cranial nerve (CN) pairs that exit the brain and brainstem (written 'CN' followed by a Roman numeral).
The lobes of the cerebrum include the:
(1) FRONTAL lobe, (2) PARIETAL lobe, (3) OCCIPITALlobe, (4) TEMPORAL lobe, and (5) INSULA lobe (island of Reil).
The separation between the brainstem and the spinal cord is the
foramen magnum (inside the foramen magnum is the spinal cord, and outside the foramen magnum is spinal cord).
The four ventricles of the brain include the
lateral ventricles (there are two), and third and fourth ventricles.
What is the mnemonic device for remembering the order of the cranial nerves?
On Old Olympus Towering Tops, A French And German Viewed Some Hops (Olfactory (I), Optic (II), Oculomotor (III), Trochlear (IV), Trigeminal (V), Abducens (VI), Facial (VII), Auditory/Vestibulocochlear (VIII). Glossopharyngeal (IX), Vagus (X), Spinal (XI), and Hypoglossal (XII).
What is the mnemonic device for remembering which cranial nerves are sensory, motor, or mixed?
Some Say Marry Money, But My Brother Says, "Bad Business Marry Money," (Olfactory (sensory), optic (sensory), oculomotor (motor), trochlear (motor), trigeminal (both), abducens (motor), facial (both), auditory (sensory), glossopharyngeal (both), vagus (both), spinal (motor), hypoglossal (motor).
The anterior root and the posterior root come together to form the
spinal nerve (making both sensory and motor present).
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