신체나 정신적으로 건강한 남자 대학생 15명을 대상으로 시판 소주(25%)를 식사 후 $3{\sim}4$시간 지나서 체중 kg당 ethyl alcohol 1ml(60kg 체중의 경우 소주 4잔, (240ml 또는 맥주 $2\frac{1}{5}$병 정도)되도록 마시게 한 후 시간별(5, 30, 60, 90분)로 Alcohol Sensor 100을 사용하여 호기로 혈중알를농도를 측정하고 선택반응시간검사(교통 신호등반응시간검사), 눈과 손의 협동능력기능검사 및 연속가산에 의한 계산능력기능검사를 술을 마신 후 시간별로(5, 30, 60, 90분) 실시하여 다음과 같은 결과를 얻었다. 1. 술을 마셨을 때의 호기로 측정한 혈중알콜농도는 술(소주)을 마신 후 5, 30, 60, 90분에 중량백분율로서 각각 0.16%($160{\pm}57mg/100ml$), 0.10%($100{\pm}42mg/100m1$), 0.08%($80{\pm}36mg/100m1$), 0.03%($30{\pm}24mg/100m1$)로서 음주직후인 5분후에 0.16%로서 가장 높은 농도를 보였고 그 후는 점차 떨어져 30분, 60분에는 0.10%와 0.08%로 나타났다. 그리고 술을 마신 직후 호기로 혈중알콜농도를 측정할 경우 실제 혈중알콜농도보다 높게 나타날 가능성이 있다. 2. 선택반응시간검사(교통신호반응시간 검사 : 즉 빨간 정지신호를 보고 브레이크를 밟는 시간)에서는 혈액중 알콜농도가 증가함에 따라 반응시간이 길어졌으며, 술을 마신후 혈중농도가 0.16%, 0.10%, 0.08%를 보인 5분, 30분, 60분에서는 음주전보다 유의하게 늦어졌으며, p<0.01, 음주후 5분과 30분 후에는 0.46초 및 0.44초로서 음주전의 0.40초보다 0.06초와 0.04초 늦어졌다. 3. 눈과 눈의 협동능력검사에서는 혈중알콜농도가 높아감에 따라 작업수행의 정확도가 떨어졌는데 혈중농도가 0.08% 이상을 보인 음주후 5분과 30분, 60분후(p<0.05)에는 유의하게 협동능력이 떨어졌다. 4. 연속가산검사에서는 계산능력이 혈중농도가 0.08% 이상에서 계산의 정확성과 속도가 유의하게 떨어졌다.
신체나 정신적으로 건강한 남자 대학생 15명을 대상으로 시판 소주(25%)를 식사 후 $3{\sim}4$시간 지나서 체중 kg당 ethyl alcohol 1ml(60kg 체중의 경우 소주 4잔, (240ml 또는 맥주 $2\frac{1}{5}$병 정도)되도록 마시게 한 후 시간별(5, 30, 60, 90분)로 Alcohol Sensor 100을 사용하여 호기로 혈중알를농도를 측정하고 선택반응시간검사(교통 신호등 반응시간검사), 눈과 손의 협동능력기능검사 및 연속가산에 의한 계산능력기능검사를 술을 마신 후 시간별로(5, 30, 60, 90분) 실시하여 다음과 같은 결과를 얻었다. 1. 술을 마셨을 때의 호기로 측정한 혈중알콜농도는 술(소주)을 마신 후 5, 30, 60, 90분에 중량백분율로서 각각 0.16%($160{\pm}57mg/100ml$), 0.10%($100{\pm}42mg/100m1$), 0.08%($80{\pm}36mg/100m1$), 0.03%($30{\pm}24mg/100m1$)로서 음주직후인 5분후에 0.16%로서 가장 높은 농도를 보였고 그 후는 점차 떨어져 30분, 60분에는 0.10%와 0.08%로 나타났다. 그리고 술을 마신 직후 호기로 혈중알콜농도를 측정할 경우 실제 혈중알콜농도보다 높게 나타날 가능성이 있다. 2. 선택반응시간검사(교통신호반응시간 검사 : 즉 빨간 정지신호를 보고 브레이크를 밟는 시간)에서는 혈액중 알콜농도가 증가함에 따라 반응시간이 길어졌으며, 술을 마신후 혈중농도가 0.16%, 0.10%, 0.08%를 보인 5분, 30분, 60분에서는 음주전보다 유의하게 늦어졌으며, p<0.01, 음주후 5분과 30분 후에는 0.46초 및 0.44초로서 음주전의 0.40초보다 0.06초와 0.04초 늦어졌다. 3. 눈과 눈의 협동능력검사에서는 혈중알콜농도가 높아감에 따라 작업수행의 정확도가 떨어졌는데 혈중농도가 0.08% 이상을 보인 음주후 5분과 30분, 60분후(p<0.05)에는 유의하게 협동능력이 떨어졌다. 4. 연속가산검사에서는 계산능력이 혈중농도가 0.08% 이상에서 계산의 정확성과 속도가 유의하게 떨어졌다.
This study was carried out not only to determine blood alcohol levels by time but also to examine the changes of working ability and reaction speed after ingestion of alcohol. Fifteen healthy students aged from 21 to 27 volunteered as subjects for this study, Liguor (Sojoo) in concentration of 25% e...
This study was carried out not only to determine blood alcohol levels by time but also to examine the changes of working ability and reaction speed after ingestion of alcohol. Fifteen healthy students aged from 21 to 27 volunteered as subjects for this study, Liguor (Sojoo) in concentration of 25% ethyl alcohol was administrated with the amount of 1ml of ethyl alcohol per kg of body weight to the subjects. The concentration of alcohol in the blood were determined by the 'Alcohol Sensor 100' at 5, 30, 60 and 90 minutes after the administration of alcohol. Also, the choice reactiontest, the eye-hand coordination test and kraepelin test were examined at the same time after checking of alcohol concentration in the blood. The results of this study can be summarized as follows. 1. Mean blood alcohol level changes resulting from administration of 1ml of ethyl alcohol per kg of body weight were $0.16%(160{\pm}57mg/100ml,\;0.10%(100{\pm}42mg/100ml),\;0.08%(80{\pm}36mg/100ml)\;and\;0.03%(30{\pm}24mg/100ml)$ at the 3, 30, 60 and 90 minutes after the administration respectively The peak in the concentration of blood alcohol was 5 miniutes after the ingestion according to alcohol examination by the respiration. 2. As for choice reaction test, reaction times became prolonged as blood alcohol levels increased. The reaction time showed a significant changes when the blood alcohol concentration reached 0.08% or more after alcohol ingestion. 3. In eye and hand coordination test, the accuracy of the performance became decreased as blood alcohol levels increased. The difference of accuracy of the test was significantly shown when alcohol levels in the blood reached 0.08% or more after alcohol intake. 4. As for kraepelin test, the abilities of calculation also became lowered as blood alcohol levels increased. The abilities of calculation differed signigicantly from control group when alchool levels of 0.08% and more.
This study was carried out not only to determine blood alcohol levels by time but also to examine the changes of working ability and reaction speed after ingestion of alcohol. Fifteen healthy students aged from 21 to 27 volunteered as subjects for this study, Liguor (Sojoo) in concentration of 25% ethyl alcohol was administrated with the amount of 1ml of ethyl alcohol per kg of body weight to the subjects. The concentration of alcohol in the blood were determined by the 'Alcohol Sensor 100' at 5, 30, 60 and 90 minutes after the administration of alcohol. Also, the choice reactiontest, the eye-hand coordination test and kraepelin test were examined at the same time after checking of alcohol concentration in the blood. The results of this study can be summarized as follows. 1. Mean blood alcohol level changes resulting from administration of 1ml of ethyl alcohol per kg of body weight were $0.16%(160{\pm}57mg/100ml,\;0.10%(100{\pm}42mg/100ml),\;0.08%(80{\pm}36mg/100ml)\;and\;0.03%(30{\pm}24mg/100ml)$ at the 3, 30, 60 and 90 minutes after the administration respectively The peak in the concentration of blood alcohol was 5 miniutes after the ingestion according to alcohol examination by the respiration. 2. As for choice reaction test, reaction times became prolonged as blood alcohol levels increased. The reaction time showed a significant changes when the blood alcohol concentration reached 0.08% or more after alcohol ingestion. 3. In eye and hand coordination test, the accuracy of the performance became decreased as blood alcohol levels increased. The difference of accuracy of the test was significantly shown when alcohol levels in the blood reached 0.08% or more after alcohol intake. 4. As for kraepelin test, the abilities of calculation also became lowered as blood alcohol levels increased. The abilities of calculation differed signigicantly from control group when alchool levels of 0.08% and more.
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