Alcohol Flashcards

1
Q

Alcohol abuse

A

Social life impaired for at least 1 mo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Alcoholism

A

Tolerance and dependence from prolonged alcohol abuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Different response to alcohol in people more prone to become alcoholics

A

Marked increased in release of B-endorphins in dopamine reward pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Alcohol absorbed in

A

Stomach and small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Alcohol metabolized by

A

ADH, MEOS/CYP2E1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Alcohol metabolism kinetic property

A

Zero order kinetics (rate independent of concentration)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cofactor required for oxidation by ADH and ALDH

A

NAD+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Saturated NAD+ at low concentration causes

A

Less NAD+ for other E –> lactate and acetyl-CoA accumulation –> FA synthesis + lactic acidosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Chronic alcohol induces which metabolic enzymes

A

CYP2E1 (2E1) and MEOS (CYP450s)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

ASIANS LIKE ME LACK

A

ALDH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

WOMAN LIKE ME HAVE

A

Lower ADH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Drug inhibits ALDH

A

Disulfiram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Drug inhibit ADH

A

Fomepizole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Alcohol effects GABA and NMDA receptors by

A

Down-regulating GABA receptors, up-regulate NMDA receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Cross tolerance of alcohol to

A

Benzo, Barbiturates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

MOA of Alcohol

A
Binds GABA(a) receptor --> increase Cl- influx --> enhance inhibitory GABA transmission
Increase DA in mesolimibc pathway
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Anterograde amensia due to

A

blockade of NMDA receptors

18
Q

CNS effect with low concentrations of alcohol

A

disinhibition, decreased anxiety, mild euphoria, confidence increases, memory, concentration, mood swing

19
Q

CNS effect with high concentration of alcohol

A

motor fxn and judgement are impaired, speech slurs, and ataxia

20
Q

Effects of alcohol (immediate)

A

CNS effects
Smooth muscle: Vasodilator –> hypothermia
Heart: Depression of myocardial contractility
Kidney: Diuretic

21
Q

Tx of acute alcohol toxicity

A

Mgmt of resp depression, prevent emesis

22
Q

Hangovers due to

A

buildup of acetaldehyde, dehydration, and beginning of withdrawal

23
Q

If you have seizures from acute alcohol toxicity, treat w/

A

Lorazepam, phenytoin

24
Q

Effects of chronic abuse of alcohol on your liver

A

Gastritis, pancreatitis, liver dz, alcoholic hepatitis, liver cancer

25
Malnutrition from chronic alcohol abuse
folate and thiamine
26
CNS effects of chronic alcohol abuse
Wernicke-Korsakoff syndrome, Korsakoff's psychosis, peripheral neuropathy
27
Cardiovascular effects of chronic alcohol abuse
Cardiomyopathy, arrhythmias, HTN
28
Alcohol/drug interaction
Acetaminophen Phenytoin Benzo, barb, phenothiazines, TCA
29
Pharm tx of alcoholism
Naltexone, acamprosate, disulfiram
30
Drug that blocks ability of alcohol to stimulate the reward pathway
Naltrexone
31
Drug that reduces alcohol craving
Naltrexone, acamprosate, topiramate
32
Restores the normal balance of GABA and glutamate
Acamprosate
33
Pt treated for alcoholism w/ a horrible liver rxn
give them acamprosate (excreted by kidney)
34
Treatment for alcohol withdrawal
Diazepam, chlordiazepoxide, lorazepam, phenytoin
35
Sxs of methanol poisoning
visual disturbances "like being in a snowstorm"
36
Methanol metbaolzied by ADH creates
toxic aldehydes and oxalates
37
Metabolic acidosis from
Methanol poisoning
38
Tx for methanol poisoning
support respiration, lavage, alkalization for acidosis, dialysis AND fomepizole or ethanol
39
Wernike Korsakoff syndrome
thiamine deficiency→ paralysis of eye muscles, ataxia, confusion, coma, death
40
Korsakoff psychosis
chronic disabling memory loss
41
Alcoholism tx drug that is considerd dangerous and not recommended
Disulfiram