A nurse is assessing a toddler's vision. Which of the following findings is an indication that the toddler has a cataract?
Closing one eye at a time
Absence of red reflex
Absence of accommodation to light
Tilting head to one side
The Correct Answer is B
A cataract is an opacity of the lens of the eye that interferes with the normal passage of light to the retina. In toddlers, cataracts can be congenital or acquired and may lead to impaired visual development if not identified early. During eye assessment, the red reflex test is an important screening tool used to detect abnormalities of the lens or retina. Absence or abnormality of the red reflex is a significant finding that requires prompt evaluation.
Rationale:
A. Closing one eye at a time is more commonly associated with diplopia or strabismus rather than cataracts. A child may close one eye to compensate for misalignment of vision or double vision. Cataracts primarily cause clouding of the lens rather than extraocular muscle imbalance, so this is not the expected finding.
B. Absence of red reflex is a classic indication of cataract because the cloudy lens blocks light from reflecting normally off the retina. Normally, when light is directed into the eye, a reddish-orange glow is seen due to reflection from the retina. If the lens is opaque, this reflex is absent or appears white, signaling the need for urgent ophthalmologic assessment.
C. Absence of accommodation to light refers more to pupillary abnormalities or neurologic dysfunction rather than cataracts. Cataracts affect lens transparency and vision quality, not the pupil’s direct response to light. The pupillary light reflex may still be present even when a cataract exists.
D. Tilting the head to one side is more commonly seen with strabismus or certain visual field disturbances where the child tries to improve alignment or compensate for abnormal vision. It is not a typical hallmark of cataracts. Cataracts are better identified through lens opacity and abnormal red reflex findings rather than head positioning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
The evaluation of therapeutic effectiveness in Minimal Change Nephrotic Syndrome (MCNS) focuses on the reversal of the core pathological symptoms: edema and fluid shifts. Effective corticosteroid therapy (Prednisone) repairs the glomerular basement membrane, stopping the leakage of protein into the urine. As serum albumin levels rise, fluid moves from the tissues back into the vascular space, leading to improved peripheral perfusion, resolution of edema, and normalization of hydration status.
Rationale for correct findings:
• Improved skin turgor indicates better hydration status and restoration of intravascular volume. Initially, the child had skin tenting, suggesting dehydration despite edema from fluid shifting into interstitial spaces. Resolution of tenting shows that fluid balance is improving and circulating volume is more stable. This is an important sign that treatment is helping correct nephrotic fluid imbalance.
• A capillary refill of less than 2 seconds reflects normal peripheral perfusion and improved circulation. Previously, delayed capillary refill suggested poor intravascular volume and decreased tissue perfusion. Improvement indicates better vascular filling and more effective fluid management. This supports that the prescribed therapy is successfully improving circulatory status.
• Resolution of periorbital edema is a strong indicator that excess fluid retention is decreasing. Periorbital swelling is a classic early sign of nephrotic syndrome caused by hypoalbuminemia and fluid leakage into tissues. Its absence suggests reduced protein loss and better fluid regulation. This finding strongly supports therapeutic improvement.
• A soft, formed bowel movement indicates improvement from the previous loose, liquid stools and hyperactive bowel sounds. This suggests better gastrointestinal function, improved nutritional intake, and reduced fluid loss from diarrhea. Stabilization of bowel patterns helps support hydration and overall recovery. It reflects improved systemic status after treatment.
Rationale for incorrect findings:
• The presence of any edema suggests that fluid retention has not completely resolved. Although nonpitting edema may be less severe than previous pitting edema, it still indicates persistent abnormal fluid accumulation. Full therapeutic effectiveness would ideally show resolution of edema rather than its continued presence. This finding requires continued monitoring rather than being considered a clear success.
• An elevated temperature is concerning and does not indicate improvement. Fever may suggest infection, which is especially important because prednisone therapy suppresses immune function. Children receiving corticosteroids are at increased risk for infection and require close observation. This finding suggests a possible complication rather than effective therapy.
• This blood pressure is elevated for a 7-year-old child and is concerning rather than reassuring. Hypertension may result from steroid therapy, fluid retention, or renal complications. It does not indicate successful resolution of nephrotic syndrome and may require further evaluation. Elevated blood pressure should be followed closely rather than considered a sign of effective treatment.
Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"A"}
Explanation
MCNS causes increased permeability of the glomerular membrane, leading to massive protein loss in the urine, hypoalbuminemia, edema, and hyperlipidemia. The major nursing concerns involve maintaining fluid balance and preventing progression of renal complications. Because children with nephrotic syndrome can rapidly develop severe edema, intravascular volume depletion, and long-term renal impairment if complications occur, these findings require close monitoring and prompt intervention.
Rationale for correct choices:
• Fluid imbalance is a major concern because severe protein loss decreases plasma oncotic pressure, causing fluid to shift from the intravascular space into the interstitial tissues. This leads to edema, periorbital swelling, ascites, and decreased circulating blood volume despite visible swelling. The child already shows pitting edema, delayed capillary refill, and poor skin turgor, indicating altered fluid distribution. Strict intake and output, daily weights, and abdominal girth monitoring are prescribed to assess and manage this complication.
• Although MCNS often responds well to corticosteroid therapy, repeated relapses or complications can lead to progressive renal damage and increase the risk for chronic kidney disease. Persistent proteinuria and prolonged glomerular dysfunction may impair long-term kidney function if not effectively managed. Monitoring renal status and preventing complications are important nursing priorities.
Rationale for incorrect choices:
• Growth restriction can occur in children with chronic illness, especially with prolonged corticosteroid therapy such as prednisone, but it is not the greatest immediate concern during the acute phase of nephrotic syndrome. The priority is stabilizing fluid status and preventing renal complications first. Growth changes are usually a longer-term concern that develops over time rather than an urgent complication.
• Mood changes may occur as a side effect of corticosteroid therapy, particularly with prednisone, and children may become irritable, restless, or emotionally labile. However, this is not considered a life-threatening complication and does not take priority over fluid shifts or renal dysfunction. While psychosocial monitoring is important, it is secondary to preventing hypovolemia and kidney damage.
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