In a case of alcohol intoxication, motor incordination and judgment errors occur at blood alcohol levels of:

Ans. b. 80-200 mg/dL (Ref: Reddy 33/e p570, 29/e p511)In a case of alcohol intoxication, motor incordination and judgment errors occur at blood alcohol levels of 80-200 mg/dL (best choice among the given options).Physiological Effects of AlcoholBlood alcohol concentrationEffects0-50 mg%No significant effect or mild euphoriaQ50-100 mg%Decreased inhibition and attention span, increased seif confidence, slurring of speech, mild incoordination, alteration of judgment, nystagmusQ.100-150 mg%Some mental confusion, emotional stability, loss of critical judgment, ataxia, impaired memory, sleepiness, slow reaction timeQ150-300 mg%Loss of muscular coordination, staggering gait, marked mental confusion, drowsiness, exaggeration of emotions, dizziness, decreased pain response, disorientation, thickened speechQ300-400 mg%Stupor, marked incoordination, marked decrease in response to stimuli, possibly comaQ400 mg% and aboveAnaesthesia, depression of response, respiratory failure, deep coma and deathQ