Option D unit D6 Alcohol in Sport (HL)

Question 1

Acute effects of excess alcohol on the body:(10)

Answer 1

Acute = after single consumption
* Hydration and kidney function
* Increase in ADH production → dehydration
* Cardiovascular system
* Reduced heart rate
* Thermoregulation
* Reduced core body temp partially due to vasodilation at skin
* Neurologic systems
* Lose inhibitions
* Loss of coordination and concentration
* Slurred speech and vision impairment

Question 2

Chronic impacts of excessive alcohol intake on body systems:(4)

Answer 2

Chronic = after many years of consumption
1. Liver
* Inflamed liver/ liver disease
* Cirrhosis / scarring
* Cancer
* Fatty liver disease
2. Kidney
* Kidney failure
3. Heart
* High blood pressure / stroke
4. Brain
* Loss of memory
* Causes poor muscle coordination
* Anxiety and depression
* Causes mental confusion
* Cerebral hemorrhage

Question 3

Alcohols impact on performance: (positives and negatives -8)

Answer 3

Positive effects (ergogenic)
* Reduced tremors (shooting sports) - only 1 drink

Negative effects (ergolytic)
* Distorted balance/ coordination
* Impaired cardiac function
* Reduced power/speed/strength
* Inhibited cognitive processing/reaction time
* Inhibition of gluconeogenesis
* Lowers body temperature
* Impairs vision/blurred vision
* Causes dehydration which can impair performance