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Questions and Answers
Which cranial nerve carries general sensory fibers for the posterior 1/3rd part of the tongue, soft palate, upper pharynx, and palatine tonsils?
Which cranial nerve carries general sensory fibers for the posterior 1/3rd part of the tongue, soft palate, upper pharynx, and palatine tonsils?
- Cranial Nerve XI
- Cranial Nerve XII
- Cranial Nerve IX (correct)
- Cranial Nerve X
Which cranial nerve travels together with CN X and CN XI in the jugular foramen?
Which cranial nerve travels together with CN X and CN XI in the jugular foramen?
- Cranial Nerve VII
- Cranial Nerve III
- Cranial Nerve IX (correct)
- Cranial Nerve V
Which nucleus is responsible for the motor function of the Glossopharyngeal Nerve?
Which nucleus is responsible for the motor function of the Glossopharyngeal Nerve?
- Nucleus Ambiguus (correct)
- Solitary Tract Nucleus
- Inferior Salivatory Nucleus
- Spinal Trigeminal Nucleus
Which structure is formed anteriorly by the petrous portion of the temporal bone and posteriorly by the occipital bone?
Which structure is formed anteriorly by the petrous portion of the temporal bone and posteriorly by the occipital bone?
Which muscle receives motor fibers originating from the cranial part of the nucleus ambiguus?
Which muscle receives motor fibers originating from the cranial part of the nucleus ambiguus?
Which ganglion carries parasympathetic fibers destined for the parotid gland?
Which ganglion carries parasympathetic fibers destined for the parotid gland?
Which cranial nerve carries general sensory fibers for the carotid sinus and carotid body?
Which cranial nerve carries general sensory fibers for the carotid sinus and carotid body?
Which structure is responsible for carrying fibers that communicate with the vagus nerve?
Which structure is responsible for carrying fibers that communicate with the vagus nerve?
Which ganglion carries sensory fibers for taste sensation from the posterior 1/3 of the tongue?
Which ganglion carries sensory fibers for taste sensation from the posterior 1/3 of the tongue?
What is responsible for carrying fibers that synapse in the caudal spinal nucleus of CN V?
What is responsible for carrying fibers that synapse in the caudal spinal nucleus of CN V?
Which cranial nerve carries fibers within the auricular branch of vagus nerve?
Which cranial nerve carries fibers within the auricular branch of vagus nerve?
Which cranial nerve originates in the inferior salivatory nucleus?
Which cranial nerve originates in the inferior salivatory nucleus?
Which cranial nerve has sensory, motor, and parasympathetic functions?
Which cranial nerve has sensory, motor, and parasympathetic functions?
Which cranial nerve contains the Nucleus ambiguus responsible for branchial motor and preganglionic parasympathetic supply to the heart?
Which cranial nerve contains the Nucleus ambiguus responsible for branchial motor and preganglionic parasympathetic supply to the heart?
Which cranial nerve leaves the skull through the jugular foramen?
Which cranial nerve leaves the skull through the jugular foramen?
Which cranial nerve is responsible for supplying all intrinsic muscles of the larynx, except for the cricothyroid muscle?
Which cranial nerve is responsible for supplying all intrinsic muscles of the larynx, except for the cricothyroid muscle?
Which cranial nerve arises from motor neurons in the upper 5 cervical segments of the spinal cord?
Which cranial nerve arises from motor neurons in the upper 5 cervical segments of the spinal cord?
Which cranial nerve exits the skull from the jugular foramen?
Which cranial nerve exits the skull from the jugular foramen?
Which cranial nerve is responsible for innervating the sternocleidomastoid and trapezius muscles?
Which cranial nerve is responsible for innervating the sternocleidomastoid and trapezius muscles?
What is responsible for carrying fibers that synapse in the caudal spinal nucleus of CN V?
What is responsible for carrying fibers that synapse in the caudal spinal nucleus of CN V?
Which structure is responsible for carrying fibers that communicate with the vagus nerve?
Which structure is responsible for carrying fibers that communicate with the vagus nerve?
Which cranial nerve is responsible for supplying all intrinsic muscles of the larynx, except for the cricothyroid muscle?
Which cranial nerve is responsible for supplying all intrinsic muscles of the larynx, except for the cricothyroid muscle?
Which ganglion carries sensory fibers for taste sensation from the posterior 1/3 of the tongue?
Which ganglion carries sensory fibers for taste sensation from the posterior 1/3 of the tongue?
Which muscle receives motor fibers originating from the cranial part of the nucleus ambiguus?
Which muscle receives motor fibers originating from the cranial part of the nucleus ambiguus?
Where does CN IX - Glossopharyngeal exit the brain stem?
Where does CN IX - Glossopharyngeal exit the brain stem?
Which part of the tongue does the inferior glossopharyngeal ganglion carry general sensory fibers for?
Which part of the tongue does the inferior glossopharyngeal ganglion carry general sensory fibers for?
Which structure forms the jugular foramen anteriorly?
Which structure forms the jugular foramen anteriorly?
Which nerve travels together with CN IX and CN XI in the jugular foramen?
Which nerve travels together with CN IX and CN XI in the jugular foramen?
Which nucleus is responsible for the motor function of CN IX - Glossopharyngeal?
Which nucleus is responsible for the motor function of CN IX - Glossopharyngeal?
Which muscle originates from the cranial part of the nucleus ambiguus?
Which muscle originates from the cranial part of the nucleus ambiguus?
Which cranial nerve carries sensory fibers for taste sensation from the posterior 1/3 of the tongue, soft palate, upper pharynx, and palatine tonsils?
Which cranial nerve carries sensory fibers for taste sensation from the posterior 1/3 of the tongue, soft palate, upper pharynx, and palatine tonsils?
Which cranial nerve contains the Nucleus ambiguus responsible for branchial motor and preganglionic parasympathetic supply to the heart?
Which cranial nerve contains the Nucleus ambiguus responsible for branchial motor and preganglionic parasympathetic supply to the heart?
Which ganglion carries parasympathetic fibers destined for the parotid gland?
Which ganglion carries parasympathetic fibers destined for the parotid gland?
Which cranial nerve originates in the inferior salivatory nucleus?
Which cranial nerve originates in the inferior salivatory nucleus?
Which cranial nerve exits the skull from the jugular foramen?
Which cranial nerve exits the skull from the jugular foramen?
Which cranial nerve carries general sensory fibers for the carotid sinus and carotid body?
Which cranial nerve carries general sensory fibers for the carotid sinus and carotid body?
Study Notes
Glossopharyngeal Nerve (CN IX)
- Carries general sensory fibers for the posterior 1/3 of the tongue, soft palate, upper pharynx, and palatine tonsils
- Contains the Nucleus ambiguus responsible for branchial motor and preganglionic parasympathetic supply to the heart
- Exits the skull through the jugular foramen
- Originates in the inferior salivatory nucleus
- Carries sensory fibers for taste sensation from the posterior 1/3 of the tongue
- Carries general sensory fibers for the carotid sinus and carotid body
- Travels together with CN X and CN XI in the jugular foramen
- Has sensory, motor, and parasympathetic functions
Nucleus Ambiguus
- Responsible for the motor function of the Glossopharyngeal Nerve
- Contains motor neurons that originate from the cranial part of the nucleus ambiguus
- Supplies motor fibers to the stylopharyngeus muscle
Jugular Foramen
- Formed anteriorly by the petrous portion of the temporal bone and posteriorly by the occipital bone
- CN IX, CN X, and CN XI travel together in the jugular foramen
Other Structures
- Inferior glossopharyngeal ganglion carries general sensory fibers for the posterior 1/3 of the tongue
- Auricular branch of vagus nerve carries fibers that communicate with the vagus nerve
- Caudal spinal nucleus of CN V responsible for carrying fibers that synapse
- Occipital bone forms the posterior part of the jugular foramen
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Description
Test your knowledge of the cranial nerves IX, X, XI, and XII with this quiz. Explore their functions, nuclei, exit points from the brain stem, and sensory ganglia.
