18 Questions
Which cranial nerve supplies structures in the thorax and abdomen?
Vagus nerve (CN X)
Which type of nerves carry signals towards the organ/nucleus?
Afferent nerves
Where are the sensory nuclei located for the second order neurons in the sensory (ascending) pathways?
Brainstem
What is the function of the dorsal motor nucleus of cranial nerve X (CN X)?
Regulates heart rate and gastrointestinal activity
Where do the lower motor neurons directly synapse or innervate?
Muscles
Which cranial nerve is responsible for carrying signals to another organ/nucleus?
Facial nerve (CN VII)
Which cluster of neurons is found in the central nervous system?
Cell body / Nucleus
Which type of fibers are formed by Edinger-Westphal Nucleus (CN 3)?
Parasympathetic fibers
Where does the trigeminal nerve (CN V) distribute?
In the head and neck only
Which cranial nerve is responsible for regulating lacrimal secretions?
Facial nerve (CN VII)
Which cranial nerves are entirely sensory?
Olfactory, Optic, and Vestibulocochlear
Which cranial nerves are entirely motor?
Oculomotor, Trochlear, and Abducent
Which cranial nerves are both sensory and motor?
Trigeminal, Facial, and Glossopharyngeal
Where do the olfactory receptor nerve cells arise from?
Upper part of the nasal cavity
What reacts to odors in the air and stimulates the olfactory cells?
Mucus covering the surface of mucous membrane
Which part of the cerebral cortex is connected to the olfactory bulb?
Primary olfactory cortex
What area of the cerebral cortex is responsible for the appreciation of olfactory sensations?
Secondary olfactory cortex
(CN – II) Optic Nerve fibers are the axons of the cells in which layer of the retina?
(Ganglionic layer)
Test your knowledge of the general organization, functional components, and common correlates of the 12 cranial nerves. This quiz covers topics taught by Dr. James Nathan Joseph U Mero MD in January 2024.
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