A nurse is providing teaching to a group of clients about the changes that occur when clients experience cataracts. Which of the following statements should the nurse include in the teaching?
"Vision changes occur when pressure in the eye is increased due to a decrease of aqueous humor."
"Vision changes occur when blood vessels leak fluid or blood under a portion of the retina."
"Vision changes occur when the cloudy lens alters the passage of light through the eye."
"Vision changes occur when retinal tissue pulls away from the blood vessels in the eye."
The Correct Answer is C
A) "Vision changes occur when pressure in the eye is increased due to a decrease of aqueous humor." This statement describes a mechanism associated with glaucoma, not cataracts. In cataracts, vision changes occur due to the opacity or cloudiness of the lens, not changes in intraocular pressure.
B) "Vision changes occur when blood vessels leak fluid or blood under a portion of the retina." This statement describes a mechanism associated with retinal diseases like diabetic retinopathy, not cataracts. In cataracts, the lens becomes cloudy, affecting the passage of light through the eye.
C) "Vision changes occur when the cloudy lens alters the passage of light through the eye." This statement is correct. Cataracts cause the lens of the eye to become cloudy, which interferes with the passage of light through the eye. This results in vision changes such as blurred vision, glare, and difficulty seeing in low light conditions.
D) "Vision changes occur when retinal tissue pulls away from the blood vessels in the eye." This statement describes a mechanism associated with retinal detachment, not cataracts. In cataracts, the lens becomes opaque, but the retinal tissue remains intact.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
A. "Have you had any trauma to the eye?": Trauma to the eye can be a significant risk factor for retinal detachment. Inquiring about any history of eye trauma is essential to understand potential causes or contributing factors.
D. "Do you wear sunglasses when in direct sunlight?": Prolonged exposure to sunlight without eye protection can increase the risk of retinal detachment. Wearing sunglasses with UV protection can help prevent eye damage, including retinal detachment.
E. "Do you take steroids?": Steroid use, especially long-term or systemic steroids, can increase the risk of developing retinal detachment. Steroids may lead to changes in the structure and integrity of ocular tissues, predisposing individuals to retinal detachment.
Options B and C are not directly related to the risk factors for retinal detachment:
B. "Do you regularly lift heavy objects?" - Regularly lifting heavy objects can increase pressure in the eyes, which can contribute to retinal detachment.:
C. "How much sodium is in your diet?": Sodium intake is not directly linked to the risk of retinal detachment. While diet and nutrition play a role in overall eye health, sodium consumption is not a specific risk factor for retinal detachment.
Correct Answer is A
Explanation
A. Loss of sensation and cognition difficulties: Secondary conditions commonly associated with traumatic brain injury (TBI) include sensory impairments such as loss of sensation, as well as cognitive difficulties such as memory loss, attention deficits, and impaired executive functioning. These issues arise due to the damage to brain tissue caused by the initial injury and can have significant impacts on the client's overall function and quality of life.
B. Development of emotional disorders and acute pain : While emotional disorders such as depression, anxiety, and post-traumatic stress disorder (PTSD) are common following TBI, acute pain is not typically considered a primary secondary condition associated with TBI. Chronic pain may develop as a secondary condition, but acute pain is more often associated with the immediate aftermath of the injury.
C. Body dysmorphia and neurofibrillary tangles : Body dysmorphia, a condition characterized by obsessive preoccupation with perceived flaws in physical appearance, and neurofibrillary tangles, abnormal protein aggregates found in the brains of individuals with neurodegenerative disorders such as Alzheimer's disease, are not typically associated with TBI.
D. Decreased appetite and a lack of sleep : While changes in appetite and sleep disturbances may occur as secondary symptoms of TBI, they are not as commonly anticipated as loss of sensation and cognition difficulties. These issues may arise due to disruptions in brain function or changes in lifestyle following the injury.
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