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SPEX 203 > Lecture 33 > Flashcards

Lecture 33 Flashcards

Alcohol and Exercise

1
Q

in high quantities alcohol is toxic to what

A

liver and brain

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2
Q

alcohol acts as

A

depressant and a diuretic.

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3
Q

alcohol is ….

A

carcinogenic

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4
Q

alcohol can substantially increase ….

A

alcohol can substaintially increase energy intake

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5
Q

alcohol changes your what ratios and what can this have a small protective affect against

A

alcohol changes your cholesterol ratios

can be possible small protective effect against CHD if consumed in moderation

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6
Q

toxicity of liver and effects of kidney function outweigh

A

any positive effects

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7
Q

what are the effects of alcohol on catabolism

A
  • free fatty acid mobilisation
  • glucose uptake
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8
Q

what are the brain function effects of alcohol

A
  • cognition
  • motor control
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9
Q

what are the effects of alcohol on anabolism

A
  • protein synthesis
  • glycogenesis
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10
Q

how does alcohol effect immunity

A
  • adaptive immunity
  • innate immunity
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11
Q

how does alcohol affect fluid balance

A
  • water balance
  • electrolyte balance
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12
Q

how does alcohol affect thermoregulation

A

skin vasodilation

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13
Q

how does alcohol affect vascular haemodynamics

A
  • blood pressure
  • blood supply
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14
Q

what % of alcohol is excreted in breath, sweat and urine

A

<10%

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15
Q

what % of alcohol is metabolised in liver

A

> 90%

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16
Q

what enzyme catalyses the oxidation of alcohol to acetaldehyde

A

alcohol dehydrogenase

17
Q

what is the issue with acetaldehyde and why

A

it is very toxic to the liver, it generates free radicals

18
Q

what is acetaldehyde oxidised to

A

acetate

19
Q

what are the fates of acetate once it has been metabolised from acetaldehyde

A

can enter krebbs cycle or be stored as fat

20
Q

does exercise have an effect on alcohol clearance

A

doesn’t seem to have an effect

21
Q

alcohol stimulates adrenaline secretion, what does this cause

A
  • increased blood pressure
  • increased risk of arrhythmias
  • increased infraction risk
  • ventricular weakening
22
Q

alcohol vasodilates the skin, what does this increase the risk of

A

increased risk of hypothermia

23
Q

long term effects on cardiovascular system from alcohol

A

long term weakening and stiffening of the heart

24
Q

how does alcohol alter regulation of blood glucose and amino acids and what does this do

A

increasing adrenaline
- decreasing insulin

  • increasing glycogenolysis in muscle and liver
25
Q

what are the effects of alcohol decreasing innate immunity

A

the function of neutrophils and macrophages

  • decreased oxidative burst
  • decreased phagocyte function
26
Q

what are the effects of alcohol decreasing adaptive immunity

A

decreased number of lymphocytes

27
Q

what is the hormone that alcohol impairs causing it to be a diuretic

A

impairs anti diuretic hormone secretion

28
Q

whether alcoholic beverages cause hypohydration depends on what

A
  • existing anti diuretic hormone activity
  • alcohol content in ingested fluid
  • metabolism of alcohol
29
Q

alcohol causes a miss match of perceived from …

A

perceived from actual competence

30
Q

alcohol causes decreased vestibular …

A

function

31
Q

how does alcohol affect sleep

A

decreases quality and duration

32
Q

what happens to maximal and endurance performance due to alcohol

A

decreased maximal and endurance performance

33
Q

what does alcohol do to the fuel availability in the blood

A

decreases fuel availability in the blood

34
Q

what are the short term muscle responses to alcohol consumption

A

decreased recovery of force after eccentric damage

decreased synthesis of new protein after training

35
Q

what are the long term muscle affects of alcohol consumption

A

oxidative damage

muscle atrophy

decreased capillarisation of fibres

36
Q

what are the countermeasures to alcohol consumption

A

food will blunt the elevation in alcohol but exercise wont

SPEX 203 (33 decks)

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