How are pinworms diagnosed?
A Scotch tape test in the early morning
A stool laboratory examination obtained at the hour of sleep
A blood antigen level
Seeing the worm in the stool
The Correct Answer is A
Choice A reason: Pinworms (Enterobius vermicularis) are diagnosed via the Scotch tape test, performed in the early morning, when females lay eggs perianally. Tape collects eggs, visible microscopically, confirming infection. This method targets the parasite’s nocturnal egg-laying cycle, ensuring high sensitivity for detecting pinworms in children with perianal itching.
Choice B reason: Stool examination is less effective for pinworm diagnosis, as eggs are laid perianally, not in feces. Obtaining stool at sleep hours is impractical and low-yield. The Scotch tape test directly samples perianal eggs, making stool analysis an incorrect and less reliable method for confirming pinworm infection.
Choice C reason: Blood antigen levels are not used for pinworm diagnosis, as Enterobius vermicularis does not elicit a detectable systemic immune response. Diagnosis relies on visualizing eggs or worms perianally via the Scotch tape test. Blood tests are irrelevant, making this an incorrect diagnostic approach for pinworms.
Choice D reason: Seeing worms in the stool is rare in pinworm infection, as females lay eggs perianally, not in the intestinal lumen. The Scotch tape test is the standard, targeting perianal eggs. Visualizing worms is unreliable and non-specific, making this an incorrect method for diagnosing pinworms in children.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Nephrotic syndrome causes massive proteinuria, hypoalbuminemia, and edema due to reduced oncotic pressure. Steroids, like prednisone, reduce glomerular inflammation, decrease protein leakage, and restore oncotic pressure, alleviating edema. By targeting the underlying immune-mediated damage, steroids effectively reduce fluid retention, making them the primary medication class for managing edema in this condition.
Choice B reason: Antibiotics treat bacterial infections, which nephrotic syndrome patients are prone to due to immunoglobulin loss, but they do not address edema. Edema results from hypoalbuminemia, not infection. Antibiotics are used for complications like peritonitis, not for reducing fluid retention, making them ineffective for the primary management of nephrotic syndrome edema.
Choice C reason: Fungicides treat fungal infections, which are rare in nephrotic syndrome unless immunocompromised from prolonged steroid use. Edema in nephrotic syndrome stems from proteinuria and low albumin, not fungal pathology. Fungicides have no role in reducing fluid retention, making them irrelevant for addressing the primary pathophysiological mechanism of edema.
Choice D reason: Analgesics relieve pain, which is not a primary feature of nephrotic syndrome. Edema results from hypoalbuminemia, causing fluid shifts into interstitial spaces. Pain management does not address this mechanism or reduce fluid retention. Steroids target the root cause, making analgesics inappropriate for managing edema in nephrotic syndrome.
Correct Answer is A
Explanation
Choice A reason: Diabetic ketoacidosis (DKA) presents with flushing, drowsiness, and dry skin due to severe hyperglycemia, ketosis, and dehydration from osmotic diuresis. In children, insulin deficiency increases glucose and ketone production, causing metabolic acidosis and lethargy. DKA is life-threatening, requiring urgent insulin and fluid therapy to correct metabolic imbalances and prevent coma.
Choice B reason: The Somogyi phenomenon involves rebound hyperglycemia after nocturnal hypoglycemia, typically causing morning symptoms like sweating or shakiness, not flushing or drowsiness. Dry skin and progressive worsening suggest sustained hyperglycemia, as in DKA, not a transient rebound, making this an incorrect diagnosis for the child’s acute presentation.
Choice C reason: Water intoxication results from excessive water intake, causing hyponatremia, seizures, or confusion, not flushing or dry skin. The child’s symptoms indicate hyperglycemia and dehydration, consistent with DKA, not water overload. This condition is unrelated to diabetes pathophysiology, making it an incorrect explanation for the clinical presentation.
Choice D reason: The Dawn phenomenon involves morning hyperglycemia due to nocturnal growth hormone surges, not flushing, drowsiness, or dry skin. These symptoms suggest severe metabolic decompensation, as in DKA, with dehydration and acidosis. The Dawn phenomenon is less acute and does not match the child’s progressive deterioration.
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