A client is seeking medical help due to loss of central vision. What diagnosis might the nurse suspect?
Angle closure glaucoma
Presbyopia
Macular degeneration
Cataracts
The Correct Answer is C
Choice A reason: Angle closure glaucoma causes peripheral vision loss and pain from pressure, not central loss. This acute condition contrasts with the client’s central vision complaint, excluding it as the suspected diagnosis in this scenario entirely here.
Choice B reason: Presbyopia blurs near vision from lens stiffness, not central loss. This age-related change affects focus, not macular function, making it unrelated to the specific central vision impairment the client reports fully and accurately here.
Choice C reason: Macular degeneration degrades central vision via retinal damage, common in older adults. This matches the client’s loss, as the macula processes sharp central sight, making it the likely suspect for this visual complaint comprehensively here.
Choice D reason: Cataracts cause diffuse blurriness, not isolated central loss. Lens opacity scatters light broadly, differing from macular-specific damage, rendering this less likely than macular degeneration for the client’s central vision issue fully here.
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Related Questions
Correct Answer is B
Explanation
Choice A reason: Cranial nerve VIII (vestibulocochlear) governs hearing and balance, not tongue strength. A deficit here causes vertigo or deafness, not motor weakness in the tongue, making it unrelated to the observed decrease in muscle power during examination.
Choice B reason: Cranial nerve XII (hypoglossal) controls tongue movement and strength. Weakness here, as noted, suggests nerve damage, like in stroke or ALS, impairing the tongue’s ability to push against resistance, directly explaining the finding accurately.
Choice C reason: Cranial nerve VI (abducens) moves the eye laterally, not the tongue. A problem here causes diplopia, not tongue weakness, disconnecting it from the motor function loss observed in the client’s oral examination entirely here.
Choice D reason: Cranial nerve III (oculomotor) controls eye movement and pupil response, not tongue strength. Its dysfunction leads to ptosis or eye deviation, irrelevant to the tongue’s motor impairment noted in this neurological assessment fully.
Correct Answer is A
Explanation
Choice A reason: Clear, watery ear drainage post-collision suggests cerebrospinal fluid (CSF) leak from a skull fracture. This urgent finding risks infection or brain injury, warranting immediate provider notification for imaging and intervention in this trauma case accurately.
Choice B reason: Enlarged post-auricular nodes may indicate infection, not an acute emergency. Post-trauma, this is less critical than potential CSF leak, making it a lower priority for immediate provider action in this collision scenario fully here.
Choice C reason: Odorless, brown cerumen is normal earwax, not an emergency. After a collision, this benign finding doesn’t signal trauma-related urgency, excluding it from requiring prompt provider notification compared to more severe signs entirely here.
Choice D reason: White tympanic membrane spots suggest scarring or infection, not immediate danger. Post-collision, this lacks the acuity of CSF leak, rendering it non-emergent and less urgent for provider attention in this context comprehensively here.
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