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Acute tubular necrosis: Quiz


Question 1: Toxic ATN can be caused by free hemoglobin or myoglobin, by medication such as ________ and cytostatic drugs, or by intoxication (ethylene glycol, "anti-freeze").
Nucleic acid inhibitorAntibiotic misuseATC code J01Antibiotic

Question 2: Ischemic ATN occurs when the tubular cells do not get enough oxygen, a condition that they are highly sensitive and susceptible to, due to their very high ________.
Amino acidLipid metabolismMetabolism3-hydroxy-3-methylglutaryl-CoA lyase

Question 3: Hypoperfusion can also be caused by ________ of the renal arteries.
Cardiovascular diseaseAir embolismFat embolismEmbolism

Question 4: [1 ] The presence of "muddy brown casts" of epithelial cells found in the urine during ________ is pathognomonic for ATN.
HematuriaUrinalysisKetonuriaICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findings

Question 5: ATN presents with ________ (ARF) and is one of the most common causes of ARF.
Chronic kidney diseaseAcute kidney injuryKidney stoneRenal tubular acidosis

Question 6: Ischemic ATN can be caused when the ________ are not sufficiently perfused for a long period of time (i.e.
Endocrine systemKidneyLiverUrinary system


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