<prompt> All of the following factors decrease the minimum alveolar concentration MAC of an inhalational anesthetic agent exceptHypothermiaHyponatremiaHypocalcemiaAnemia  <response>: Factors Decreasing MAC Minimum alveolar concentration Drugs Propofol Etomidate Barbiturates Benzodiazepines Ketamine a2Agonists clonidine, dexmedetomidine Ethanol acute use Local anesthetics Opioids Amphetamines chronic use Lithium Verapamil Age Elderly patients Electrolyte Disturbance Hyponatremia Other Anemia hemoglobin 5 gdL Hypercarbia Hypothermia Hypoxia Pregnancy Ref: Miller 7e p1243 Table 39-3; Morgan 5e p164 