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Questions and Answers
What is the primary characteristic of renal tubular acidosis (RTA)?
What is the primary characteristic of renal tubular acidosis (RTA)?
- Nonanion gap hypokalemic metabolic acidosis
- Alkalosis in the urine
- Decrease in the H+ excreted in the urine (correct)
- Increase in the H+ excreted in the urine
Which type of RTA is characterized by an inability to secrete H+ at the distal tubule?
Which type of RTA is characterized by an inability to secrete H+ at the distal tubule?
- Type 3 RTA
- Type 2 RTA
- Type 4 RTA
- Type 1 RTA (correct)
What is the consequence of distal RTA leading to increased excretion of ions?
What is the consequence of distal RTA leading to increased excretion of ions?
- Hypokalemia (correct)
- Alkalosis in the blood
- Decrease in ECF volume
- Increased blood pH
What is the characteristic metabolic acidosis associated with distal RTA?
What is the characteristic metabolic acidosis associated with distal RTA?
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What are the symptoms primarily associated with distal RTA?
What are the symptoms primarily associated with distal RTA?
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Study Notes
Renal Tubular Acidosis (RTA)
- Primary characteristic of RTA: impaired renal acid-base regulation
- Impaired ability to excrete H+ or reabsorb HCO3- in the kidneys
Distal RTA
- Characterized by inability to secrete H+ at the distal tubule
- Consequence of distal RTA: increased excretion of ions, particularly potassium, calcium, and magnesium
- Metabolic acidosis associated with distal RTA: non-anion gap (normal anion gap) metabolic acidosis
- Symptoms primarily associated with distal RTA: muscle weakness, fatigue, and hypokalemia (low potassium levels)
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