A patient came with a right ear sensorineural hearing loss. What should the nurse expect while performing the Weber test?
lateralization of the sound/vibration to both ears equally
lateralization of the sound/vibration to the left ear.
bone conduction(BC) is greater than air conduction (AC)
lateralization of the sound/vibration to the right ear.
The Correct Answer is B
A) Lateralization of the sound/vibration to both ears equally: The Weber test is used to assess unilateral hearing loss and would not show equal lateralization in the presence of unilateral sensorineural hearing loss. Equal lateralization would suggest normal hearing or symmetrical hearing loss, which is not the case here.
B) Lateralization of the sound/vibration to the left ear: In sensorineural hearing loss, sound is perceived to lateralize to the unaffected ear. Therefore, with right ear sensorineural hearing loss, the sound will lateralize to the left ear, indicating that the left ear has better hearing capability.
C) Bone conduction (BC) is greater than air conduction (AC): This finding is characteristic of conductive hearing loss, not sensorineural hearing loss. In sensorineural hearing loss, air conduction is typically greater than or equal to bone conduction, but the Weber test focuses on lateralization rather than BC versus AC.
D) Lateralization of the sound/vibration to the right ear: If the sound were to lateralize to the affected ear in sensorineural hearing loss, it would suggest that the affected ear is hearing better, which contradicts the nature of sensorineural hearing loss. The sound will actually lateralize to the better-hearing, unaffected ear.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Lordosis: Lordosis refers to an increased inward curvature of the lumbar spine. During pregnancy, this curvature often increases to help compensate for the growing uterus and shift the center of gravity. This adjustment helps maintain balance and alignment but can lead to noticeable changes in posture.
B) Kyphosis: Kyphosis is characterized by an exaggerated outward curvature of the thoracic spine, resulting in a hunchback appearance. It is not related to the increased lumbar curvature seen during pregnancy.
C) Keratosis: Keratosis refers to a condition involving thickening or hardening of the skin, such as actinic keratosis. It is unrelated to spinal curvature or changes associated with pregnancy.
D) Scoliosis: Scoliosis is a condition marked by an abnormal lateral curvature of the spine. It does not specifically relate to the increased lumbar curvature that occurs during pregnancy due to the enlarging uterus.
Correct Answer is D
Explanation
A) The tricuspid area: The tricuspid area is located at the lower left sternal border, around the 4th or 5th intercostal space. It is where the tricuspid valve sounds are best heard, not the area for auscultating the 2nd rib space.
B) Erb's point: Erb's point is located at the left sternal border in the 3rd intercostal space. It is a key area for auscultating both the aortic and pulmonic valves, as well as the mitral and tricuspid valves, but it is not associated with the right 2nd rib space.
C) The mitral area: The mitral area, also known as the mitral valve area, is located at the 5th intercostal space at the midclavicular line on the left side. This area is used for auscultating the mitral valve, not the right 2nd rib space.
D) The aortic area: The right 2nd rib space, also known as the 2nd intercostal space at the right sternal border, is the location where the aortic valve sounds are best auscultated. This area is used to listen to the aortic valve's closure and is the first location for cardiac auscultation.
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