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 D
Explanation
The correct answer is d) Stage II.
Choice a reason:
Stage IV pressure ulcers are the most severe, with full-thickness skin loss and exposed bone, tendon, or muscle. Signs of stage IV include large-scale tissue loss, possibly including slough or eschar, and may include undermining and tunneling. The scenario described does not indicate such an advanced stage, as there is no mention of exposed deeper tissues or structures.
Choice b reason:
Stage III pressure ulcers involve full-thickness skin loss, potentially affecting subcutaneous tissue but not extending to underlying muscle or bone. The wound may have a crater-like appearance. The described condition does not match stage III, as there is no indication of the ulcer extending into subcutaneous tissue.
Choice c reason:
Stage I pressure ulcers present with intact skin and non-blanchable redness of a localized area usually over a bony prominence. The skin may be painful, firm, soft, warmer, or cooler compared to adjacent tissue. In the given scenario, the skin is not intact, ruling out stage I.
Choice d reason:
Stage II pressure ulcers are characterized by partial-thickness loss of dermis presenting as a shallow open ulcer with a red-pink wound bed, without slough. They may also present as intact or ruptured blisters. The description of the skin condition with erythema, serosanguineous drainage, and a blister-like appearance aligns with a stage II pressure ulcer.
Correct Answer is C
Explanation
Choice a reason:
Rhonchi are coarse, rattling respiratory sounds somewhat like snoring, usually caused by obstruction or secretion in the larger airways. They are not considered normal breath sounds and are typically heard in conditions such as chronic bronchitis.
Choice b reason:
Crackles are the sounds you will hear in a lung field that has fluid in the small airways. These sounds are commonly heard in patients with pneumonia, heart failure, and restrictive pulmonary diseases. They are not normal breath sounds.
Choice c 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. In a healthy individual, these sounds are expected to be heard in the 1st and 2nd intercostal spaces near the sternal body.
Choice d reason:
Tracheal breath sounds are harsh, high-pitched sounds heard when auscultating over the trachea in the neck. They are not normally heard over the intercostal spaces of the chest wall.
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