Sweetness and light – just checking your understanding!

By Rosamund Place | February 22, 2008

1. [Multiple choice]

How many experiments did the researchers carry out on their animals?

Answers for Quiz [1].

  • 1. Five
  • 2. Four
  • 3. Three
  • 4. Two (correct)
  • 5. One

2. [Multiple choice]

How many groups of rats were monitored?

Answers for Quiz [2].

  • 1. One
  • 2. Two (correct)
  • 3. Three
  • 4. Four
  • 5. Five

3. [Multiple choice]

Over the 5 weeks of the experiment which group of rats gained more weight?

Answers for Quiz [3].

  • 1. The rats eating sweetener. (correct)
  • 2. The rats eating sugar.

4. [Multiple choice]

Rats who were on the diet using sugar to sweeten their food ………… their eating habits after indulging in a pudding which was high in calories.

Answers for Quiz [4].

  • 1. adjusted (correct)
  • 2. did not alter

5. [Multiple choice]

They ate ……………. at their next meal.

Answers for Quiz [5].

  • 1. more
  • 2. the same amount of food
  • 3. less (correct)

6. [Multiple choice]

This showed they ……………. the consumption of extra calories into account.

Answers for Quiz [6].

  • 1. had taken (correct)
  • 2. did not take
  • 3. could not have taken

7. [Multiple choice]

Rats who were on the diet using sweeteners in their food …………….. their eating habits after indulging in a pudding which was high in calories.

Answers for Quiz [7].

  • 1. changed
  • 2. did not alter (correct)
  • 3. sat discussing

8. [Multiple choice]

In normal animals the brain ………………… the body’s temperature before and during eating.

Answers for Quiz [8].

  • 1. raises (correct)
  • 2. does not alter
  • 3. lowers

9. [Multiple choice]

This is in preparation for the energy-intensive job of ………………..

Answers for Quiz [9].

  • 1. exercise.
  • 2. staying awake.
  • 3. talking to scientists at length after heavy meals.
  • 4. digestion. (correct)
  • 5. sleeping.

10. [Multiple choice]

Rats on the sugar diet showed a …………………… body temperature rise.

Answers for Quiz [10].

  • 1. normal (correct)
  • 2. diminished

11. [Multiple choice]

Rats on the sweetener showed a …………………….. increase in body temperature.

Answers for Quiz [11].

  • 1. normal
  • 2. diminished (correct)

12. [Multiple choice]

The findings suggest that

Answers for Quiz [12].

  • 1. the brain identifies sugar as a sign of highly calorific food. (correct)
  • 2. the brain does not identify sugar as a highly calorific food.

13. [Multiple choice]

The experiment suggested that

Answers for Quiz [13].

  • 1. the brain did not associate sweeteners with highly calorific food. (correct)
  • 2. the brain identified sweeteners as a sign of highly calorific food.

14. [Multiple choice]

Sweeteners

(The attention-grabbing headline only points out the effect sweeteners seem to have on the physiology of the body which might lead to people continuing to eat more and for longer than they would if they had consumed normal sugar.
If they are used as part of a calorie-controlled diet in which calories are counted they can be useful. It is only if people over-indulge in food as a result of the brain having been confused and failing to send messages of satiety that this risk arises.
)

Answers for Quiz [14].

  • 1. make people fat.
  • 2. do not make people fat. (correct)

15. [Multiple choice]

People

Answers for Quiz [15].

  • 1. are rats.
  • 2. are not rats, of course. (correct)
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