A patient presents with a retinal detachment and is being evaluated for appropriate treatment. Which of the following procedures is used to treat retinal detachment by indenting the wall of the eye?
Scleral buckling
Photorefractive keratectomy (PRK)
Vitrectomy
Intravitreal injection
The Correct Answer is A
Choice A Reason:
Scleral buckling is a surgical procedure used to treat retinal detachment by indenting the wall of the eye. This technique involves placing a silicone band (buckle) around the sclera (the white part of the eye) to push the wall of the eye against the detached retina. This helps to reattach the retina and prevent further detachment. Scleral buckling is effective in treating many types of retinal detachments and is a common procedure for this condition.
Choice B Reason:
Photorefractive keratectomy (PRK) is a type of refractive surgery used to correct vision problems such as myopia, hyperopia, and astigmatism. It involves reshaping the cornea using a laser but is not used to treat retinal detachment. PRK does not involve indenting the wall of the eye or addressing issues with the retina.
Choice C Reason:
Vitrectomy is a surgical procedure that involves removing the vitreous gel from the eye to treat various eye conditions, including retinal detachment. While vitrectomy can be used to treat retinal detachment, it does not involve indenting the wall of the eye. Instead, it allows the surgeon to access the retina and perform necessary repairs.
Choice D Reason:
Intravitreal injection involves injecting medication directly into the vitreous cavity of the eye. This procedure is used to treat conditions such as macular degeneration, diabetic retinopathy, and retinal vein occlusion. It is not used to treat retinal detachment by indenting the wall of the eye.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
A random blood glucose level of 126 mg/dL is not typically indicative of hyperglycemia. Hyperglycemia is generally defined as a blood glucose level above 180 mg/dL. A level of 126 mg/dL is closer to the threshold for diagnosing diabetes but does not necessarily indicate hyperglycemia.
Choice B Reason:
A history of poor wound healing is a common manifestation of hyperglycemia. High blood sugar levels can impair the body’s ability to heal wounds by affecting blood flow and the function of immune cells. This can lead to prolonged wound healing times and an increased risk of infections.
Choice C Reason:
Decreased urinary output is not a typical symptom of hyperglycemia. In fact, hyperglycemia often causes increased urinary output (polyuria) due to the body’s attempt to excrete excess glucose through urine. Decreased urinary output could be indicative of other conditions, such as dehydration or kidney issues.
Choice D Reason:
Clammy skin is more commonly associated with hypoglycemia (low blood sugar) rather than hyperglycemia. Hypoglycemia can cause symptoms such as sweating, shakiness, and clammy skin due to the body’s response to low blood sugar levels. Hyperglycemia, on the other hand, does not typically cause clammy skin.
Correct Answer is ["B","C"]
Explanation
Choice A Reason:
Administering diuretics to increase urine output is not appropriate in this scenario. Diuretics would exacerbate dehydration and further increase serum sodium levels by promoting additional water loss. This approach would worsen the patient’s condition rather than improve it.
Choice B Reason:
Administering desmopressin is a suitable intervention for this patient. Desmopressin is a synthetic analog of vasopressin (antidiuretic hormone) and is used to treat conditions like diabetes insipidus, which can cause symptoms such as excessive thirst, frequent urination, and dehydration. Desmopressin helps to reduce urine output and correct the imbalance of fluids and electrolytes.
Choice C Reason:
Administering intravenous hypotonic saline is appropriate for managing high serum sodium levels and dehydration. Hypotonic saline helps to lower serum sodium levels by diluting the blood and rehydrating the patient. This intervention addresses both the dehydration and the electrolyte imbalance effectively.
Choice D Reason:
Restricting fluid intake to reduce urine output is not appropriate in this case. Fluid restriction would worsen dehydration and could lead to further complications. The patient needs adequate fluid replacement to correct the dehydration and normalize serum sodium levels.
Choice E Reason:
Administering hypertonic saline is not suitable for this patient. Hypertonic saline would increase serum sodium levels further, exacerbating the hypernatremia. This intervention would be counterproductive and could lead to severe complications.
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