Ch. 7 Alcohol Flashcards
alcoholic beverages consist primarily of ____, ___, and ___
water, ethanol, sugar
calories in alcohol come from…
carbohydrates and alcohol
definition of drink
__ fl oz wine
___ fl oz of beer
___ fl oz of distilled spirits
5, 12, 1.5
how is alcohol absorbed? where?
via simple diffusion, along entire GI tract
about __% of alcohol is absorbed in the stomach
20%
about __% of alcohol is metabolized by the liver, __% excreted in urine, and ____ is eliminated via ___
90%, 5%, remainder, lungs
two primary pathways of alcohol metabolism
- cytosol alcohol dehydrogenase (ADH)
- microsomal ethanol-oxidizing system (MEOS)
when larger amounts of alcohol are consumed, ____ activity increase
MEOS
women have lower activity of ____ __ and less ____ than men
stomach ADH, body water
products of alcohol metabolism by ___ promote _____
ADH, fat synthesis
__________ are generated in the MEOS pathway
reactive oxygen molecules
when alcohol intake exceeds the ability of the liver to break it down, ______ can occur
alcohol intoxication/alcohol poisoning
in alcohol intoxication/alcohol poisoning, the circulating alcohol affects _______
CNS, breathing, and heart rate
one gram of alcohol = __ kcal
7 kcal
long-term excessive alcohol consumption causes malnutrition, including…
- decreased overall nutrient intake
- interfering with nutrient absorption/storage/metabolism/excretion
- increasing kcal intake