The nurse is assessing the visual acuity of a client who reports changes in vision. How many feet away from the Snellen chart should the client stand? (Enter a whole number only.)
The Correct Answer is ["20"]
The standard distance for a visual acuity test using the Snellen chart is 20 feet. This distance allows for an accurate assessment of how well a person can see the details of the letters on the chart, which is a common method used by eye doctors to measure visual acuity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Being oriented x 3 means the client is aware of their name, the current time (or day), and the location (place). In this case, since the client is only able to remember his name and where he is, but not the time, day, or date, this documentation would be incorrect. The client does not meet the criteria for being oriented x 3.
B. Being oriented x 1 means the client is aware of only one aspect of orientation, such as their name. Since the client is able to remember both his name and his location, documenting as oriented x 1 would not fully capture the extent of the client's orientation. The client is oriented to more than one aspect.
C. Being oriented x 2 means the client is aware of two aspects of orientation. In this case, since the client is able to remember his name and his location (but not the time, day, or date), documenting as oriented x 2 accurately reflects his level of orientation.
D. Being oriented x 4 means the client is aware of four aspects: their name, the current time (or day), the date, and the location. Given that the client can only remember his name and location, this
documentation would be incorrect as it does not align with the client’s current state of orientation.
Correct Answer is C
Explanation
A. An absent or sluggish deep tendon reflex typically indicates a lower motor neuron lesion, which affects the peripheral nerves or spinal cord segments involved in reflex arc processing. Lower motor neuron lesions often result in reduced or absent reflexes, not brisk responses.
B. Flaccid paralysis is characterized by a lack of muscle tone and reflexes, which is usually associated with lower motor neuron damage. A brisk 4+ reflex response does not indicate flaccid paralysis but rather heightened reflex activity.
C. A brisk 4+ response indicates hyperactivity of the deep tendon reflexes, which is consistent with an upper motor neuron disorder. Upper motor neuron lesions, such as those resulting from a cerebrovascular accident (CVA), often lead to increased reflex responses due to disruption in the normal inhibitory signals from the brain.
D. A normal reflex response is typically classified as 2+ on a scale of 0 to 4, where 2+ is considered average or expected. A 4+ response indicates hyperactivity, which is not normal but rather indicates increased reflexes, usually associated with upper motor neuron issues.
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