Which of the following is NOT a cause of metabolic acidosis?

Metabolic acidosis is characterized by an accumulation of acid in the body or a loss of bicarbonate, leading to a decrease in blood pH. Among the listed options, dyslipidemia does not directly lead to metabolic acidosis.

Lactic acidosis results from the accumulation of lactic acid often due to conditions such as sepsis, shock, or intense exercise, where oxygen delivery to tissues is impaired. Renal impairment can cause metabolic acidosis because the kidneys are unable to effectively excrete acids or retain bicarbonate, leading to a decrease in blood pH. Diarrhea can also result in metabolic acidosis due to the loss of bicarbonate in the stool, further contributing to acidemia.

Dyslipidemia, on the other hand, refers to abnormal levels of lipids in the blood and is typically associated with cardiovascular diseases rather than directly affecting acid-base balance in the body. Therefore, it is not a recognized cause of metabolic acidosis. Understanding the physiological mechanisms behind these conditions highlights why dyslipidemia is not linked to the development of metabolic acidosis.