Multiple choice Which of the following is NOT associated with the features of metabolic acidosis? A decreased anion gap Cardiac arrest A low plasma bicarbonate Increased generation of acid Deep, rapid inspiration Reveal answer Fill a bubble to check yourself A Correct answer Explanation The anion gap may be normal or increased in a metabolic acidosis. The anion gap can be increased due to relatively low levels of cations other than sodium and potassium (e.g. calcium or magnesium).