Index of potency of general anesthesia ?: (A) Minimum alveolar concentration, (B) Diffusion coefficient, (C) Dead space concentration, (D) Alveolar blood concentration
Answer is A. Ans. is 'a' i.e., Minimum alveolar concentration Minimal alveolar concentration It is the lowest concentration of the anaesthetic in pulmonary alveoli needed to produce immobility in response to a painful stimulus (surgical incision) in 50% individuals. It is the measure of potency of inhalation GAs