Following blunt trauma, which sign most indicates kidney injury?

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Study for the Nassau County EMT Test. Prepare with flashcards and multiple-choice questions. Each question is accompanied by hints and explanations. Get ready for your exam!

Multiple Choice

Following blunt trauma, which sign most indicates kidney injury?

Explanation:
Hematuria, or blood in the urine, is the most direct clue that the kidneys have been injured after blunt trauma. When the renal tissue is damaged, bleeding often enters the urinary tract, producing visible blood or microscopic red blood cells on urinalysis. This sign specifically points to renal involvement and often prompts imaging to assess the extent of kidney injury. The other signs point to different systems—hematemesis signals a GI bleed, hypertension is not a reliable immediate indicator of kidney injury in the trauma setting, and jaundice suggests liver or biliary problems. So, blood in the urine best indicates a kidney injury in this context.

Hematuria, or blood in the urine, is the most direct clue that the kidneys have been injured after blunt trauma. When the renal tissue is damaged, bleeding often enters the urinary tract, producing visible blood or microscopic red blood cells on urinalysis. This sign specifically points to renal involvement and often prompts imaging to assess the extent of kidney injury. The other signs point to different systems—hematemesis signals a GI bleed, hypertension is not a reliable immediate indicator of kidney injury in the trauma setting, and jaundice suggests liver or biliary problems. So, blood in the urine best indicates a kidney injury in this context.

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