A client's chart indicates that they are legally blind. Which of the following is the definition of legally blind?

Full vision loss in at least one eye

The best-corrected vision in the better eye of 20/200 or less

Inability to see clearly from 200 feet away without corrective lenses

Bilateral visual impairment of 20/60 or greater

Answer and Explanation

The Correct Answer is B

Choice A Reason: This is incorrect because full vision loss in one eye does not necessarily mean that the person is legally blind. Legal blindness depends on the visual acuity and visual field of both eyes.

Choice B Reason: This is correct because legal blindness is defined by the World Health Organization (WHO) as having a visual acuity of 20/200 or worse in the better eye with the best possible correction, such as glasses or contact lenses. This means that the person can see at 20 feet what a normal person can see at 200 feet.

Choice C Reason: This is incorrect because inability to see clearly from 200 feet away without corrective lenses may indicate nearsightedness or myopia, but not legal blindness. Nearsightedness can be corrected with lenses or surgery.

Choice D Reason: This is incorrect because bilateral visual impairment of 20/60 or greater does not meet the criteria for legal blindness. Visual impairment is defined by WHO as having a visual acuity of less than 20/60 but better than 20/200 in the better eye with the best possible correction.

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Correct Answer is B

Explanation

Choice A Reason: The test is not inconclusive, but rather positive for conductive hearing loss. The Weber test involves placing a vibrating tuning fork on the center of the forehead and asking the client which ear hears the sound louder. It can help differentiate between conductive and sensorineural hearing loss.

Choice B Reason: This is the correct choice. The client has conductive hearing loss, which is a type of hearing loss that occurs when sound waves are blocked or reduced in the outer or middle ear. It can be caused by earwax, infection, fluid, perforation, or trauma. In conductive hearing loss, the Weber test shows lateralization to the affected ear, meaning the sound is heard louder in that ear.

Choice C Reason: The client does not have normal hearing, but rather conductive hearing loss. In normal hearing, the Weber test shows no lateralization, meaning the sound is heard equally in both ears.

Choice D Reason: The client does not have sensorineural hearing loss, but rather conductive hearing loss. Sensorineural hearing loss is a type of hearing loss that occurs when there is damage to the inner ear or auditory nerve. It can be caused by aging, noise exposure, disease, or drugs. In sensorineural hearing loss, the Weber test shows lateralization to the unaffected ear, meaning the sound is heard louder in that ear.

A. "I will wear earphones during this test." B. "Small electrodes are placed on my scalp." C. "A small probe is placed inside my ear." D. "A tuning fork is placed on my head."

Correct Answer is D

Explanation

Choice A Reason: This is incorrect because earphones are not used in the Rinne test. The Rinne test compares air conduction and bone conduction of sound using a tuning fork.

Choice B Reason: This is incorrect because electrodes are not used in the Rinne test. Electrodes are used in electroencephalography (EEG), which measures brain activity.

Choice C Reason: This is incorrect because a probe is not used in the Rinne test. A probe is used in tympanometry, which measures the pressure and mobility of the eardrum.

Choice D Reason: This is correct because a tuning fork is used in the Rinne test. The tuning fork is placed on the mastoid process behind the ear and then moved near the ear canal to compare the sound perception.

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A client's chart indicates that they are legally blind. Which of the following is the definition of legally blind?

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Naxlex Comprehensive Predictor Exams

A nurse is performing a Weber test on a client who reports difficulty hearing in his left ear. The client informs the nurse that he can hear the tone louder in his left ear. Which of the following does this result indicate?

Correct Answer is B

Explanation

A nurse is teaching a client about the Rinne test. Which of the following client statements indicates an understanding of the teaching?

Correct Answer is D

Explanation

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