Activation of the renin-angiotensin-aldosterone system:
Causes albuminuria
Reabsorbs K⁺ and eliminates Na⁺ in the urine
Expands blood volume, increasing blood pressure
Causes hematuria
The Correct Answer is C
A. Causes albuminuria: Albuminuria (protein in urine) is a sign of kidney damage, not a direct effect of RAAS activation.
B. Reabsorbs K⁺ and eliminates Na⁺ in the urine: RAAS does the opposite-it reabsorbs sodium and excretes potassium.
C. Expands blood volume, increasing blood pressure: RAAS activation leads to vasoconstriction and sodium/water retention, which raises blood pressure.
D. Causes hematuria: Hematuria (blood in urine) is typically a sign of trauma, infection, or kidney disease-not directly linked to RAAS.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Gallbladder: The gallbladder stores bile, but it is not a major recipient of portal vein blood.
B. Duodenum: The duodenum receives chyme from the stomach, but not blood from the portal vein.
C. Liver: The portal vein carries nutrient-rich blood from the GI tract (including intestines and stomach) directly to the liver for metabolism and detoxification.
D. Pancreas: Although nearby, the pancreas is not the primary organ supplied by the portal vein for nutrient processing.
Correct Answer is C
Explanation
A. Causes albuminuria: Albuminuria (protein in urine) is a sign of kidney damage, not a direct effect of RAAS activation.
B. Reabsorbs K⁺ and eliminates Na⁺ in the urine: RAAS does the opposite-it reabsorbs sodium and excretes potassium.
C. Expands blood volume, increasing blood pressure: RAAS activation leads to vasoconstriction and sodium/water retention, which raises blood pressure.
D. Causes hematuria: Hematuria (blood in urine) is typically a sign of trauma, infection, or kidney disease-not directly linked to RAAS.
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