A patient is diagnosed with left ear unilateral sensorineural hearing loss. During the performance of the Weber test, the nurse expects lateralization of the sound/vibration to the:
Left temporal bone
Both ears equally
Right ear
Left ear
The Correct Answer is C
Choice a reason:
The left temporal bone would be the expected site of lateralization for sound in a Weber test if the patient had conductive hearing loss in the left ear. However, with unilateral sensorineural hearing loss, the sound typically lateralizes to the opposite ear, which is the ear with better hearing.
Choice b reason:
Lateralization to both ears equally during the Weber test would suggest either normal hearing or symmetrical hearing loss. In the case of unilateral sensorineural hearing loss, the sound is not perceived as equal in both ears because the affected ear does not hear as well as the unaffected ear.
Choice c reason:
In a patient with unilateral sensorineural hearing loss in the left ear, the Weber test will lateralize to the right ear, which is the ear with normal hearing. This occurs because the inner ear on the affected side is not able to transmit the sound as effectively as the unaffected side, making the sound seem louder in the ear with better hearing.
Choice d reason:
Lateralization to the left ear in the Weber test would indicate conductive hearing loss in the left ear, not sensorineural hearing loss. In sensorineural hearing loss, the sound vibrates to the ear with better cochlear function, which would be the right ear in this case.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice a reason:
Getting a longer cord for the telephone may reduce the risk of tripping over a short cord but could potentially introduce new tripping hazards if not managed properly. It's important to keep cords secured and out of walkways to prevent falls.
Choice b reason:
Placing a throw rug over electrical cords is not advisable as it can create a tripping hazard. Rugs should be secured with non-slip backing and kept away from high-traffic areas to prevent falls.
Choice c reason:
Using handrails in the bathroom is a recommended safety measure to prevent falls. Bathrooms can be slippery, and handrails provide support and stability for residents when moving around in this area.
Choice d reason:
Using chairs without armrests is not a recommended practice for fall prevention. Chairs with armrests can aid residents in safely sitting down and standing up, providing support and reducing the risk of falls.
Correct Answer is D
Explanation
Choice a reason:
Bronchovesicular sounds are normal breath sounds heard over the main bronchus area and over the upper right posterior lung field. They have a medium pitch and intensity and are heard on both inspiration and expiration. Bronchovesicular sounds do not involve the change of vowel sounds during auscultation.
Choice b reason:
Bronchophony is the term used when the voice sounds are more clear and louder over the chest wall, usually indicating lung consolidation. However, it does not specifically refer to the change of vowel sounds from "ee" to "ay."
Choice c reason:
Normal voice resonance is when voice sounds heard through auscultation are muffled and indistinct. It does not involve a clear change in vowel sounds, which is what occurs with egophony.
Choice d reason:
Egophony is characterized by the change of the "ee" vowel sound to a nasal "ay" or "a" sound when auscultating the lungs. This phenomenon typically suggests lung consolidation, as might be seen with pneumonia.
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