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

"I will wear earphones during this test."

"Small electrodes are placed on my scalp."

"A small probe is placed inside my ear."

"A tuning fork is placed on my head."

Answer and Explanation

The Correct Answer is D

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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Correct Answer is B

Explanation

Choice A Reason: This choice is incorrect. Cranial Nerve VIII is the vestibulocochlear nerve, which is responsible for hearing and balance. It does not affect vision or eye movements.

Choice B Reason: This is the correct choice. Cranial Nerve II is the optic nerve, which is responsible for transmitting visual information from the retina to the brain. It affects visual field and visual acuity, which are measures of peripheral and central vision, respectively.

Choice C Reason: This choice is incorrect. Cranial Nerve I is the olfactory nerve, which is responsible for smell. It does not affect vision or eye movements.

Choice D Reason: This choice is incorrect. Cranial Nerve VII is the facial nerve, which is responsible for facial expressions and taste. It does not affect vision or eye movements.

A. Full vision loss in at least one eye B. The best-corrected vision in the better eye of 20/200 or less C. Inability to see clearly from 200 feet away without corrective lenses D. Bilateral visual impairment of 20/60 or greater

Correct Answer is B

Explanation

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

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