Which of the following best describes Hyperopia?
Loss of vision in one eye
Clear vision of nearby objects, but difficulty seeing distant objects
Clear vision of distant objects, but difficulty seeing nearby objects
Blurry vision of both distant and nearby objects
The Correct Answer is C
A) Loss of vision in one eye:
Loss of vision in one eye is not related to hyperopia (farsightedness). This condition could be due to various other causes such as retinal detachment, optic neuropathy, or trauma, but it does not describe the refractive error associated with hyperopia.
B) Clear vision of nearby objects, but difficulty seeing distant objects:
This description pertains to myopia (nearsightedness), where individuals can see nearby objects clearly but struggle with seeing distant objects. Hyperopia is the opposite, involving difficulty with near vision rather than distance vision.
C) Clear vision of distant objects, but difficulty seeing nearby objects:
Hyperopia, or farsightedness, is characterized by clear vision of distant objects while nearby objects appear blurry. This occurs because the eye's light focuses behind the retina rather than directly on it, making close-up tasks like reading challenging.
D) Blurry vision of both distant and nearby objects:
Blurry vision of both distant and nearby objects is not specific to hyperopia and may indicate other eye conditions such as astigmatism or severe refractive errors that affect overall visual acuity, rather than the specific issue of near vision seen in hyperopia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
(a) Inquire about family history of headaches:
While understanding the client's family history of headaches can be important for a comprehensive assessment, it is not the immediate priority. The description of "the worst headache" ever experienced could indicate a serious condition that needs urgent attention.
(b) Review the client's medical record:
Reviewing the client's medical record provides valuable information about their history and potential underlying conditions. However, given the severity of the reported headache, it is crucial to perform a more immediate physical assessment to rule out life-threatening conditions.
(c) Assess the client's blood pressure:
Assessing the client's blood pressure is a critical initial action. A severe headache can be a symptom of hypertensive crisis, stroke, or other serious conditions. High blood pressure could provide an immediate clue to the severity and cause of the headache, allowing for quicker intervention.
(d) Provide medication for pain relief:
Providing pain relief is important, but it should not be the first action without determining the cause of the headache. Administering medication without assessing the client's condition could mask symptoms of a potentially serious underlying issue such as a stroke or hypertensive emergency.
Correct Answer is B
Explanation
(a) Soles of the feet:
The soles of the feet are not considered the most reliable indicator of central cyanosis because peripheral areas can be affected by various factors, including temperature and circulation. Changes in color here might not accurately reflect central oxygenation status.
(b) Oral mucosa:
The oral mucosa is the most reliable indicator of central cyanosis because it reflects the oxygenation status of the central circulatory system. Cyanosis in this area indicates a significant drop in arterial oxygen saturation and is a more direct indicator of hypoxemia compared to peripheral sites.
(c) Ear lobes:
Ear lobes, like the soles of the feet, can be influenced by peripheral circulation and environmental factors. While cyanosis can be observed here, it is not as reliable as central sites like the oral mucosa for assessing systemic oxygenation.
(d) Conjunctivae:
The conjunctivae can show signs of cyanosis, but the oral mucosa is still a more sensitive and reliable indicator for central cyanosis. The oral mucosa provides a clear and consistent site to assess oxygenation in emergency situations.
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