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1. Which of the following is a characteristic of acute
kidney injury (AKI)?
a. Gradual decrease in urine output over time
b. Normal serum creatinine levels
c. Hypokalemia due to decreased excretion
d. Increased urine osmolality
Answer: b.
Rationale: AKI is characterized by a rapid decrease in
kidney function, leading to an accumulation of waste
products and a rise in serum creatinine levels.
2. Which of the following is the primary function of the
kidneys?
a. Regulation of acid-base balance
b. Storage of urine
c. Production of erythropoietin
d. Regulation of blood glucose levels
Answer: a.
Rationale: The kidneys play a crucial role in maintaining
acid-base balance by regulating the levels of hydrogen ions
and bicarbonate in the blood.
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