Chapter 8: Alcohol Flashcards
Alcohol is classified as a? What form of alcohol do we consume?
narcotic, ethanol
What is a standard drink defined as?
14 g
What are the recommendations for men and women?
1 standard-size drink for women per day
2 standard-size drink for men per day
How is alcohol digested and absorbed? What organ is responsible for metabolism?
alc requires no digestion, its rapidly absorbed by simple diffusion
What are the 3 pathways through which alcohol is metabolized?
ADH pathway = low/moderate intakes
MEOS pathway = excessive intake
catalase pathway = minor contribution to metabolism
Describe alcohol poisoning and binge drinking.
alc poisoning = drinking large amounts of alc in a short period of time
binge drinking = excessive alc use, 4+ drinks females/5+ drinks males
What makes alcohol absorption faster and what slows the absorption of alcohol?
drinking on an empty stomach makes absorption faster & high protein foods slow absorption
Who is the largest drinking population for alcohol?
young, white college students
Can alcohol be stored in the body?
No!!!
What effect does the MEOS pathway have on the speed of alcohol absorption?
MEOS activity increases with increased alc intake. builds a greater tolerance
What are the risks of excessive alcohol intake?
some cancers, heart failure, motor vehicle & other accidents
Describe the stages of cirrhosis of the liver. What helps delay cirrhosis?
ascites = fluid retention in abdomen
once cirrhosis has occurred & liver failure develops, there is a 50% chance of death in 4 years. sobriety, low sodium, & a healthy diet can delay it
What specific water-soluble vitamins are affected by alcohol abuse? What is Wernicke-Korsakoff
syndrome?
thiamin, wernicke-korsakoff is a signifigant change in brain & nervous system, paralysis of the eye muscles, loss of sensation in extremities, & memory loss due to thiamin deficiency from alc abuse
What is fetal alcohol syndrome?
most serious FASD, result of alc or components produced from alc metabolism, face malformations, growth deficit, CNS problems
How long does a mom have to wait to breastfeed if drinking?
at least 2 hours