All of the following are correct for causes of intrarenal acute kidney injury except:
Acute renal disease-acute glomerulonephritits
Exposure to nephrotoxic drugs, heavy metals, and organic solvents
Prolonged renal ischemia
Liver failure
The Correct Answer is D
A. Acute renal disease–acute glomerulonephritis: This leads to inflammation and damage of the glomerular basement membrane, impairing filtration and causing intrarenal injury. It often presents with hematuria, proteinuria, and hypertension.
B. Exposure to nephrotoxic drugs, heavy metals, and organic solvents: These substances damage renal tubules through direct toxicity or by causing crystal formation, leading to acute tubular necrosis. Common agents include aminoglycosides and contrast dyes.
C. Prolonged renal ischemia: Sustained low perfusion causes tubular cell death and sloughing, leading to obstruction and decreased GFR. It is often a progression from untreated prerenal AKI.
D. Liver failure: Liver dysfunction reduces renal perfusion and may cause hepatorenal syndrome, but this is classified as prerenal, not intrarenal, in origin. The kidneys are structurally intact but functionally impaired.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Esophageal: Esophageal variceal bleeding is the most common and serious complication of portal hypertension. Increased pressure in the portal venous system leads to the formation of varices in the esophagus, which can rupture and cause life-threatening hemorrhage.
B. Intestinal: While portal hypertension can cause changes in intestinal blood flow, it is not the most common site for clinically significant bleeding. Intestinal bleeding related to portal hypertension is much less frequent than esophageal variceal bleeding.
C. Duodenal: Duodenal bleeding is more commonly associated with peptic ulcer disease rather than portal hypertension. It is not a typical manifestation of increased portal venous pressure.
D. Rectal: Rectal bleeding may occur due to hemorrhoids or portal hypertensive colopathy, but it is less common and less life-threatening compared to esophageal varices in portal hypertension.
Correct Answer is A
Explanation
The adrenal cortex is vital for life because it produces key hormones such as cortisol, aldosterone, and androgens. Cortisol helps regulate metabolism, stress responses, and immune function. Aldosterone maintains sodium and potassium balance, crucial for blood pressure and fluid regulation. Without these hormones, the body cannot sustain essential physiological processes.
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