The nurse is caring for a client who has been diagnosed with renal calculi. Which pathophysiologic change occurs as renal calculi move through the urinary tract?
Polyuria.
Uric acid increases.
Cystitis.
Renal colic.
The Correct Answer is D
Choice A reason: Polyuria, excessive urination, is not caused by renal calculi movement. Stones obstruct the ureter, reducing urine flow and causing pain, not increased output. Polyuria is associated with conditions like diabetes, making this incorrect for the pathophysiological change linked to calculi movement in the urinary tract.
Choice B reason: Uric acid increases may contribute to stone formation but are not a change caused by calculi movement. Movement triggers pain and obstruction, not serum uric acid changes. Renal colic is the direct result of stones moving, making this choice incorrect for the pathophysiological effect.
Choice C reason: Cystitis, bladder inflammation, may occur secondary to stones but is not the primary change from calculi movement. Stones moving through the ureter cause renal colic due to obstruction and spasm. Cystitis is a complication, not the direct pathophysiological change, making this incorrect.
Choice D reason: Renal colic, severe pain from ureteral obstruction and smooth muscle spasm, occurs as renal calculi move through the urinary tract. Stones irritate and block the ureter, triggering intense, colicky pain. This is the primary pathophysiological change, aligning with urological evidence for stone movement effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice A reason: Fibrosis and calcification occur in chronic pancreatitis, not acute pancreatitis, which is characterized by sudden inflammation. Alcohol-induced acute pancreatitis involves duct obstruction and enzyme autodigestion, causing pain. Fibrosis is a long-term consequence, not a primary driver of the acute pain in this client’s recent alcohol binge.
Choice B reason: Inflammation from an obstructed pancreatic duct is a key cause of acute pancreatitis pain. Alcohol can trigger duct blockage, leading to enzyme backup, inflammation, and tissue irritation. This process causes severe upper abdominal pain radiating to the back, aligning with the client’s symptoms and elevated amylase/lipase levels.
Choice C reason: Bleeding gastric ulcers cause epigastric pain but are unrelated to pancreatitis, which involves pancreatic inflammation. Elevated amylase and lipase confirm pancreatitis, not ulcer disease. Ulcers do not radiate pain to the back or stem from alcohol binges, making this incorrect for the client’s diagnosis.
Choice D reason: Spasms of the sphincter of Oddi, often alcohol-induced, block pancreatic secretions, causing enzyme backup and inflammation. This contributes to the severe pain of acute pancreatitis, as obstructed flow exacerbates tissue irritation. This process aligns with the client’s symptoms and laboratory findings, supporting its role in pain causation.
Choice E reason: Autodigestion by pancreatic enzymes, activated prematurely due to duct obstruction, causes tissue damage and severe pain in acute pancreatitis. Alcohol triggers this process, leading to inflammation and necrosis. This is a primary pathophysiological mechanism, explaining the client’s pain and elevated amylase/lipase, per evidence-based pancreatitis pathology.
Correct Answer is C
Explanation
Choice A reason: Instilling medication after cleaning the eyes is correct, as it ensures a clear surface for antibiotic absorption. This does not contribute to infection persistence but supports treatment efficacy. The issue lies with warm compresses, which may exacerbate bacterial growth, making this choice incorrect.
Choice B reason: Washing hands with antibacterial soap before and after eye care prevents contamination and supports infection control. This practice reduces infection spread, not persistence. Prolonged warm compresses, which promote bacterial proliferation, are the issue, making hand hygiene an incorrect contributor to the infection’s persistence.
Choice C reason: Applying warm compresses for several hours creates a moist, warm environment that may promote bacterial growth, potentially worsening conjunctivitis despite antibiotics. Brief compresses can soothe, but prolonged use counteracts treatment, aligning with microbiological evidence that warmth fosters bacterial persistence in ocular infections.
Choice D reason: Wiping secretions downward and outward from the inner canthus prevents contamination of the unaffected eye, supporting infection control. This does not contribute to infection persistence. Prolonged warm compresses are the likely cause, as they create conditions favoring bacterial growth, making this choice incorrect.
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