Chapter 6 - Alcohol Flashcards
1
Q
alcohol abuse
A
- excessive alcohol consumption that leads to severe alcohol-related health and other probelms
- often starts in teenage and college years
- 7 kcals per gram
2
Q
ethanol
A
- Chemical term for the form of alcohol found in alcoholic beverages
3
Q
distillation
A
- a physical method used to seperate liquids based on their boiling points
4
Q
Alcohol proof
A
- represents twice the volume of alcohol in percentage terms
- 80 proof vodka = 40% alcohol
5
Q
Chief site for alcohol metabolism
A
- Liver
6
Q
Alcohol dehydrogenase
A
- An enzyme used in alcohol (ethanol) metabolism
- key to alcohol metabolism
- acts on 90% of the dose consumed
7
Q
cirrhosis
A
- A loss of functioning liver cells, which are replaced by nonfunctioning connective tissue.
- Any susbstance that poisons liver cells can lead to cirrhosis
- Also, exposure to certain industrial chemicals can cause this
8
Q
What does alcohol turn into once acted on by alcohol dehydrogenase
A
acetaldehyde
9
Q
ischemic stroke
A
- a stroke caused by the absence of blood flow to a part of the brain
- risk decreased in light to moderate drinkers
10
Q
free radicals
A
- short-lived forms of compounds that exist with an unpaired electron, causing it to seek an electron from another compound
- very destructive to electron-dense cell components, such as DNA and cell membranes.
11
Q
acute alcohol intoxication
A
- a temporary detrioration in mental function, accompanied by lack of coordination and partial paralysis, arising from drinking alcoholic beverages too rapidly.
12
Q
Binge drinking
A
- 4 drinks in a row for women
- 5 drinks in a row for men
13
Q
alcohol dependence
A
- repeated alcohol-related difficulties
- tolerance is seen
- links with gender, ethnicity, and depression
14
Q
serotonin
A
- A neurotransmitter synthesized from the amino acid tryptophan that affects mood (sense of calmness), behavior, appetite, and induces sleep
15
Q
dopamine
A
- neurotransmitter that leads to feelings of euphoria
- used to form norepinephrine
16
Q
What is a strong indicator of genetic risk?
A
Ability to “hold one’s liquor”
17
Q
Where is alcohol addiction frequently seen?
A
homeless people
18
Q
Naltrexone
A
- blocks the craving for alcohol and the pleasure of intoxication
19
Q
Disulfiram (antabuse)
A
- produces an ill feeling, such as vomitting, when drinking alcohol by blocking acetaldehyde metabolism
20
Q
congeners
A
- non-alcohol substances present in alcoholic drinks
- ex. hops
21
Q
acetaldehyde
A
- first product of alcohol breakdown
22
Q
Acetate (acetic acid)
A
- second product of alcohol breakdown
- further converted to fat
23
Q
Microsomal Ethanol Oxidizing System
A
- Backup system for ethanol disposal used in heavy drinkers
24
Q
Procarcinogen
A
- substance made into a carcinogen by some biochemical pathway in the body
25
Q
Carcinogen
A
- chemical that causes cancer
26
Q
Blood Alcohol Concentration (BAC)
A
- proportion of alcohol in the bloodstream
- legal limit = 0.08 percent
27
Q
Diuretic
A
- drug that increases urine production
- alcohol is a powerful diuretic
28
Q
Resveratrol
A
- a compound found in red wine which helps prevent heart attacks and strokes
29
Q
Fetal Alcohol Syndrome
A
- birth defects caused by alcohol consumption during pregnancy
30
Q
teratogen
A
- chemical that causes birth defects
31
Q
A