Hydration and the Human Body

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Questions and Answers

What is the main role of water in the human body?

  • Immune response
  • Energy production
  • Hormonal regulation
  • Transporting nutrients and removing waste (correct)

Which body fluid loss contributes the most to dehydration?

  • Sweating
  • Urine (correct)
  • Faeces
  • Breathing

What is the recommended daily water intake from food for an individual?

  • 1 - 1.5 litres (correct)
  • 2 - 2.5 litres
  • 0.5 - 1 litre
  • 3 litres or more

Which of the following is NOT a consequence of dehydration?

<p>Increased blood pressure (B)</p> Signup and view all the answers

How can hydration levels be assessed using urine color?

<p>Pale yellow indicates hydration (B)</p> Signup and view all the answers

Which type of sports drink contains more sugar than body fluids?

<p>Hypertonic (C)</p> Signup and view all the answers

What is a characteristic of isotonic sports drinks?

<p>Has similar sugar concentration to body fluids (A)</p> Signup and view all the answers

What is the primary effect of caffeine as a diuretic?

<p>Stimulates increased fluid excretion (B)</p> Signup and view all the answers

What is the Department of Health's recommendation regarding units of alcohol?

<p>Spread consumption throughout the week (A)</p> Signup and view all the answers

How many calories are provided by 1g of alcohol?

<p>7 kcal (D)</p> Signup and view all the answers

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Flashcards

Main role of water

Transports nutrients and removes waste products throughout the body.

Major fluid loss causing dehydration

Urine contributes the most to dehydration due to its primary role in fluid excretion.

Daily water intake from food

The recommended daily water intake from food is 1 - 1.5 litres.

Not a dehydration consequence

Increased blood pressure is NOT a consequence of dehydration.

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Urine color and hydration

Pale yellow urine indicates hydration.

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Sports drink sugar content

Hypertonic sports drinks contain more sugar than body fluids.

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Characteristic of isotonic sports drinks

Isotonic sports drinks have similar sugar concentration to body fluids.

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Caffeine as a diuretic

Caffeine stimulates increased fluid excretion as a diuretic.

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Alcohol consumption advice

The Department of Health recommends spreading alcohol consumption throughout the week.

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Calories in alcohol

1g of alcohol provides 7 kcal.

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Study Notes

  • Water's main role in the human body: transporting nutrients and removing waste.
  • The primary body fluid loss contributing to dehydration: urine.
  • Recommended daily water intake from food for an individual: 1 - 1.5 litres.
  • Increased blood pressure: NOT a consequence of dehydration.
  • Hydration levels as assessed using urine color: Pale yellow indicates hydration.
  • Sports drink type containing more sugar than body fluids: hypertonic.
  • A characteristic of isotonic sports drinks: similar sugar concentration to body fluids.
  • Caffeine as a diuretic primarily stimulates increased fluid excretion.
  • Department of Health's recommendation regarding units of alcohol: Spread consumption throughout the week.
  • Calories provided by 1g of alcohol: 7 kcal.

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