Med-Surg Sensory Review

What are some age related changes that affect the eye?

• The visual field narrows.

• The cornea flattens.

• The lens of the eye becomes softer.

• Color discrimination decreases.

Answer explanation

The cornea flattens and develops an irregular curvature after 65, causing astigmatism.

The lens of the eye gradually loses water after and becomes harder.

Color discrimination decreases and may cause problems. Page 587

What test checks for your color blindness?

• Snellen eye chart

• Jaeger test

• Ishihara

• Amsler grid test

Answer explanation

The Ishihara chart book shows numbers composed of dots of one color within an area of dots of a different color.

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What are common causes of hearing loss?

• Infection with labyrinthitis

• Severe infection

• Otosclerosis

• Obstruction obey impacted very cerumen

Answer explanation

Obstruction of impacted cerumen, otosclerosis, severe infection, and infection with labyrinthitis can all cause ear hearing loss.

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What test checks your equilibrium?

• Romberg test

• Tuning fork test

• Visual examination

• RPR test

Answer explanation

The Romberg test is a test of equilibrium. The patient will stand with their feet together, their arms out to the sides, and the eyes open. You will note their ability to maintain an upright posture without swaying. You will test the patient again while their eyes are closed.

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How is the ear positioned for using ear drops on an adult?

• The pinna is pulled down and back.

• Draw the pinna upward and toward the back of their head.

• Pull the pinna towards the side.

• Let the ear sit as it is naturally.

Answer explanation

The patient should be positioned in a supine lateral position so that the affected ear is uppermost. The medication should be at room temperature. You must straighten the ear canal by drawing the pinna upward and toward the back of the head.

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