<prompt> Lactic acidosis is not seen in -Methanol poisoningRespiratory failureCirculatory failureTolbutamide  <response>: An increase in plasma l-lactate may be secondary to poor tissue perfusion type A--circulatory insufficiency shock, cardiac failure, severe anemia, mitochondrial enzyme defects, and inhibitors carbon monoxide, cyanide aerobic disorders type B-- malignancies, nucleoside analogue reverse transcriptase inhibitors in HIV, diabetes mellitus, renal or hepatic failure, thiamine deficiency, severe infections cholera, malaria, seizures, or drugstoxins biguanides, ethanol, methanol, propylene glycol, isoniazid, and fructose. Unrecognized bowel ischemia or infarction Pyroglutamic acidemia has been repoed in critically ill patients receiving acetaminophen, which is associated with depletion of glutathione. d-Lactic acid acidosis, which 