The nurse is performing a neurologic assessment on a client diagnosed with a stroke and cannot elicit a gag reflex. This deficit is related to which of the following cranial nerves?
Trigeminal nerve.
Facial nerve.
Glossopharyngeal nerve.
Vagus nerve.
Correct Answer : C,D
Choice A rationale
The trigeminal nerve is responsible for facial sensation and motor functions like chewing, not related to gag reflex impairment.
Choice B rationale
The facial nerve controls facial expressions, taste sensations, and other functions but does not influence the gag reflex.
Choice C rationale
The glossopharyngeal nerve (cranial nerve IX) plays a crucial role in the gag reflex as it innervates part of the pharynx and is responsible for sensory functions in the throat.
Choice D rationale
The vagus nerve (cranial nerve X) also contributes to the gag reflex, providing motor innervation to the pharyngeal muscles and aiding in swallowing and speech functions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Scoliosis is identified by a lateral curve of the spine, resulting in uneven shoulders and prominent scapula when bending forward. These physical findings are characteristic of scoliosis, aiding its diagnosis.
Choice B rationale
Muscular dystrophy causes symmetrical muscle weakening, not the asymmetry of scoliosis. It does not present with the specific spinal curvature described.
Choice C rationale
Kyphosis involves a rounded upper back, not a lateral spinal curve. It leads to a hunched posture rather than the shoulder and scapula asymmetry seen in scoliosis.
Choice D rationale
Lordosis is characterized by an exaggerated inward curve of the lower back, not affecting shoulder and scapula symmetry as in scoliosis. It primarily involves the lumbar spine, not causing the described physical findings.
Correct Answer is C
Explanation
Choice A rationale
Tactile agnosia is the inability to recognize objects through touch, not vision. This condition affects the somatosensory cortex, impacting tactile processing.
Choice B rationale
Ataxia involves the loss of full control of bodily movements and coordination, not the inability to identify objects visually. It typically results from cerebellar dysfunction.
Choice C rationale
Visual agnosia is the inability to recognize familiar objects by sight despite having intact visual functioning. This condition often results from damage to the occipital or temporal lobes.
Choice D rationale
Positive Romberg sign indicates balance issues, typically seen when a client sways or falls when standing with eyes closed. It does not pertain to visual recognition deficits.
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