The nurse is providing care for a client with a diagnosis of otosclerosis due to previous ear surgeries. Which type of pathological hearing loss supports the client's clinical history?
Presbycusis.
Conductive.
Endolymphatic.
Sensorineural.
The Correct Answer is B
Otosclerosis is a condition characterized by abnormal bone growth in the middle ear, specifically involving the stapes bone. This abnormal bone growth interferes with the transmission of sound vibrations from the middle ear to the inner ear, resulting in conductive hearing loss. Here's a breakdown of each option:
A) Presbycusis:
Presbycusis refers to age-related hearing loss, typically involving sensorineural components such as the degeneration of hair cells in the inner ear or changes in the auditory nerve. While presbycusis is a common cause of hearing loss in older adults, it is not directly related to otosclerosis or previous ear surgeries.
B) Conductive:
Correct. Otosclerosis primarily affects the middle ear by causing abnormal bone growth around the stapes bone, which can immobilize it and interfere with sound transmission to the inner ear. As a result, individuals with otosclerosis often experience conductive hearing loss, where sound is not effectively conducted from the outer or middle ear to the inner ear.
C) Endolymphatic:
Endolymphatic hydrops, also known as Ménière's disease, involves abnormal fluid accumulation in the inner ear, leading to symptoms such as vertigo, tinnitus, and fluctuating sensorineural hearing loss. While inner ear disorders like endolymphatic hydrops can cause sensorineural hearing loss, otosclerosis primarily affects the conductive components of hearing.
D) Sensorineural:
Sensorineural hearing loss occurs due to dysfunction or damage to the inner ear (cochlea) or auditory nerve pathways leading to the brain. This type of hearing loss is typically permanent and can result from various factors, including age-related changes, noise exposure, and certain medical conditions. While sensorineural hearing loss can coexist with conductive hearing loss in some cases, otosclerosis primarily causes conductive hearing loss rather than sensorineural hearing loss.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Chronic kidney disease:
Chronic kidney disease (CKD) is a complication of diabetes mellitus (DM), but it typically develops over time due to long-standing hyperglycemia and its effects on the kidneys. While CKD can lead to various complications such as electrolyte imbalances and cardiovascular disease, it is not directly associated with the development of gangrenous toes.
B. Diabetic retinopathy:
Diabetic retinopathy is a complication of diabetes that affects the eyes, specifically the retina. It results from damage to the blood vessels in the retina due to prolonged hyperglycemia. While diabetic retinopathy can lead to vision impairment and blindness if left untreated, it is not directly associated with the development of gangrenous toes.
C. Peripheral neuropathy:
Peripheral neuropathy is a common complication of diabetes that results from damage to the peripheral nerves due to prolonged hyperglycemia. It can lead to sensory, motor, and autonomic nerve dysfunction. Peripheral neuropathy contributes to the development of complications such as diabetic foot ulcers and Charcot arthropathy, which can ultimately lead to gangrene if not properly managed.
D. Hypertension:
Hypertension, or high blood pressure, is a common comorbidity in individuals with diabetes mellitus. While hypertension can exacerbate complications such as diabetic nephropathy and cardiovascular disease, it is not directly associated with the development of gangrenous toes.
Correct Answer is A
Explanation
A) Flank pain and profound hypotension:
Correct. Flank pain, often described as a deep, constant, gnawing, or throbbing sensation in the abdomen or back, can be a sign of impending rupture or dissection of an abdominal aortic aneurysm (AAA). Profound hypotension may occur if the AAA ruptures, leading to massive internal bleeding and shock. Prompt recognition of these signs is crucial for early intervention and surgical repair to prevent catastrophic consequences.
B) Acute shortness of breath and chest pain:
Acute shortness of breath and chest pain are more indicative of cardiovascular or pulmonary conditions such as myocardial infarction, pulmonary embolism, or acute coronary syndrome rather than an abdominal aortic aneurysm. While aortic dissection can present with chest pain, it is typically described as severe, tearing, or ripping pain that radiates to the back, not as acute shortness of breath.
C) Absent pedal pulses and darkened toes:
Absent pedal pulses and darkened toes may indicate peripheral vascular disease or critical limb ischemia but are not specific signs of an abdominal aortic aneurysm. While AAA can lead to peripheral ischemia in advanced cases, it is not typically associated with acute changes in pedal pulses or toe discoloration.
D) Tea-colored urine and decreased output:
Tea-colored urine and decreased urine output may indicate acute kidney injury or rhabdomyolysis but are not specific signs of an abdominal aortic aneurysm. While a ruptured AAA can lead to renal ischemia and acute kidney injury due to hypoperfusion, these symptoms are not the primary manifestations of AAA
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