A client has been diagnosed with age-related macular degeneration (AMD). Which change in vision would the nurse expect a client with AMD to report?
Loss of central vision and distortion of lines
Floaters and flashes of light
Cloudy vision and glaring of lights
Loss of peripheral vision
The Correct Answer is A
A. AMD affects the macula, which is responsible for central vision and fine detail. As the condition progresses, patients often experience a gradual loss of central vision, which can make it difficult to read, recognize faces, and perform tasks that require sharp vision. Distortion of straight lines (metamorphopsia) is also common, where straight lines may appear wavy or bent.
B. Floaters and flashes of light are more commonly associated with conditions affecting the vitreous body of the eye or retinal detachment, rather than AMD. These symptoms can occur due to changes in the vitreous gel or as a result of other retinal issues, but they are not the primary symptoms of AMD.
C. Cloudy vision and glare are typically associated with cataracts, not AMD. Cataracts cause the lens of the eye to become cloudy, leading to blurred vision and increased sensitivity to glare. AMD does not cause the lens to cloud, so these symptoms are not characteristic of AMD.
D. Loss of peripheral vision is more characteristic of glaucoma rather than AMD. AMD primarily affects central vision, leaving peripheral vision relatively intact until the disease progresses to an advanced stage. Glaucoma, on the other hand, often leads to a gradual loss of peripheral vision.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","E"]
Explanation
Muscle hypertrophy (increase in muscle size) is not a typical manifestation of ALS. In fact, ALS leads to muscle atrophy (wasting) rather than hypertrophy. As motor neurons degenerate, muscles become weaker and smaller because they are no longer receiving adequate nerve signals to maintain strength.
B.A Tinnitus (ringing in the ears) is not a common manifestation of ALS. ALS primarily affects motor neurons and does not usually cause auditory symptoms. Tinnitus is more related to other conditions such as ear infections, exposure to loud noises, or certain neurological conditions, but it is not associated with ALS.
C. Tripping or stumbling is a common manifestation of ALS. As the disease progresses, it causes weakness in the muscles responsible for maintaining balance and coordination. This can lead to difficulties with walking and increased risk of tripping or falling.
D. Confusion is not a typical symptom of ALS. ALS primarily affects motor neurons, leading to muscle weakness and atrophy, but it does not usually affect cognitive function. However, in rare cases, some patients with ALS may develop cognitive or behavioral changes, but these are not the primary symptoms and are less common.
E. Dropping objects is a common manifestation of ALS. Muscle weakness and loss of fine motor control in the hands and arms can make it difficult to hold or manipulate objects, leading to frequent dropping.
Correct Answer is A
Explanation
A. The client is resting comfortably, denies distress, and has an oxygen saturation of 89% on 2 liters of supplemental oxygen. This is within an acceptable range for many patients with COPD. Given the client's current status, it is appropriate to continue monitoring the oxygen saturation and assess for any changes in condition.
B. While the alarm may be annoying, it is important to keep it active to alert the nurse to any significant changes in the client's oxygen saturation.
C. A non-rebreather mask delivers a higher concentration of oxygen and is typically used in more critical situations. In this case, the client's oxygen saturation is within a safe range, and there is no need to increase the oxygen delivery method.
D. Increasing the oxygen to 4 liters per minute without a clear indication of need could lead to oxygen toxicity, especially in patients with COPD. It is important to titrate oxygen therapy to the lowest level that maintains adequate oxygen saturation.
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