A nurse is caring for a client with a diagnosis of trigeminal neuralgia. Which activity is altered as a result of this diagnosis?
Swallowing.
Smelling.
Chewing.
Tasting.
Tasting.
The Correct Answer is C
Choice A rationale
Swallowing involves the glossopharyngeal and vagus nerves, not the trigeminal nerve. Thus, trigeminal neuralgia does not typically affect swallowing.
Choice B rationale
Smelling involves the olfactory nerve (cranial nerve I), not the trigeminal nerve (cranial nerve V). Therefore, trigeminal neuralgia does not affect the sense of smell.
Choice C rationale
Trigeminal neuralgia involves the trigeminal nerve, which is responsible for sensation in the face and motor functions such as biting and chewing. Therefore, chewing can be significantly affected.
Choice D rationale
Tasting involves the facial nerve (cranial nerve VII) and glossopharyngeal nerve (cranial nerve IX), not the trigeminal nerve. Thus, trigeminal neuralgia does not typically affect taste.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Cerebrospinal fluid (CSF) does not produce cerebral neurotransmitters. Neurotransmitters are produced by neurons in the brain and nervous system.
Choice B rationale
CSF provides a protective barrier to some extent, but its primary function is not to act as a barrier to bacteria. The blood-brain barrier primarily serves this function.
Choice C rationale
CSF helps maintain a stable environment in the central nervous system but is not primarily an insulator for maintaining constant temperature. Its thermal properties are secondary.
Choice D rationale
The primary function of CSF is to cushion and protect the brain and spinal cord from mechanical injury. It also helps maintain the brain's buoyancy and provides a stable environment for the central nervous system.
Correct Answer is C
Explanation
Choice A rationale
Increased intracranial pressure can result from various conditions, including brain injuries, tumors, or infections. However, decerebrate posturing is specifically associated with brain stem dysfunction rather than increased intracranial pressure alone.
Choice B rationale
Dysfunction in the cerebrum can lead to different posturing responses, such as decorticate posturing, which involves abnormal flexion of the arms. Decerebrate posturing, on the other hand, indicates more severe damage lower in the brain stem.
Choice C rationale
Dysfunction in the brain stem is indicated by decerebrate posturing, which involves extension and outward rotation of the arms and legs in response to painful stimuli. This type of posturing signifies serious damage to the brain stem and carries a poor prognosis.
Choice D rationale
Dysfunction in the spinal column may result in various neurological deficits but does not specifically cause decerebrate posturing. This type of posturing is indicative of brain stem damage rather than spinal column issues.
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