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 A
Explanation
A) Fish: Fish, especially fatty fish like salmon, mackerel, sardines, and trout, are rich sources of omega-3 fatty acids. Omega-3 fatty acids are essential for heart health, reducing inflammation, and supporting brain function. Including fish in the diet is highly recommended for obtaining these beneficial fats naturally.
B) Leafy green vegetables: While leafy green vegetables provide many essential nutrients, they are not significant sources of omega-3 fatty acids. They are more commonly known for their vitamins, minerals, and fiber content, which are important for overall health but do not provide the omega-3s that fish does.
C) Corn oil: Corn oil is high in omega-6 fatty acids rather than omega-3 fatty acids. While omega-6 fatty acids are also necessary for health, they should be balanced with omega-3s to maintain optimal health. Corn oil does not contribute significantly to omega-3 intake.
D) Dietary supplements: While omega-3 supplements can be a good alternative for those who do not consume enough fish, obtaining nutrients from whole foods is generally preferred for additional health benefits, such as protein and other nutrients found in fish. Supplements should be considered when dietary intake is insufficient.
Correct Answer is D
Explanation
Stage I: Stage I pressure ulcers are characterized by non-blanchable erythema of intact skin. There is no break in the skin, but it may appear red and warm to the touch. It is considered the mildest form of pressure injury, signaling the beginning of potential skin damage.
B) Stage III: Stage III pressure ulcers involve full-thickness skin loss. This means that the damage extends through the dermis into the subcutaneous tissue. There may be visible fat, but bone, tendon, and muscle are not exposed. These ulcers are deeper and more serious than the scenario described.
C) Stage IV: Stage IV pressure ulcers are the most severe and involve full-thickness tissue loss with exposed bone, tendon, or muscle. The presence of slough or eschar may be present on some parts of the wound bed, and these ulcers are deep, often with extensive damage and infection.
D) Stage II: Stage II pressure ulcers are characterized by partial-thickness skin loss involving the epidermis and/or dermis. They present as shallow, open ulcers with a red-pink wound bed, without slough. They may also appear as intact or open/ruptured serum-filled blisters, which matches the description given in the scenario. This stage represents a more significant injury than Stage I but does not extend into the deeper layers of skin and tissue as in Stage III and IV.
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