Reading answers with explanations

Multilevel · Part 4 · Multilevel Practice Test 21

The Potential to Sniff Out Disease: Reading answers

Answers to questions 22–30 (9 in all), each with why it is right.

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The passage opens

The fact diseases have a smell comes as no surprise – but finding someone or something that can detect them at an early stage could hold huge potential for medicine. Breath, bodily odours and urine are all amazingly revealing about general health. Even the humble cold can give off an odour, thanks to the thick bacteria-ridden mucus that ends up in the back of the throat. The signs are not apparent to everyone – but some super-smellers are very sensitive to the odours. Joy Milne, for example, noticed her husband’s smell had changed shortly before he was diagnosed with Parkinson’s disease. Humans can detect nearly 10,000 different smells. Formed by chemicals in the air, they are absorbed by…

Answers 22–30

  1. 22

    You can have a specific smell even due to simple cold.

    TRUE True / False / Not Given

  2. 23

    Human sense of taste is 10,000 less sensitive than human sense of smell.

    TRUE True / False / Not Given

  3. 24

    Dogs and cats can sniff out different diseases.

    NOT GIVEN True / False / Not Given

  4. 25

    Doctors believe that different cancers might have the same specific smell.

    FALSE True / False / Not Given

  5. 26

    There are more than 20 dogs in the UK trained to detect cancer.

    FALSE True / False / Not Given

  6. 27

    All the studies suggest that dogs:

    D: Different studies have shown different results Multiple choice

  7. 28

    What scientists give dogs to detect cancer?

    A: Urine samples Multiple choice

  8. 29

    What’s an electronic nose?

    B: A gadget to diagnose diseases Multiple choice

  9. 30

    The main objective of this passage is to:

    C: Show us how important it can be to be able to diagnose a disease by an odour Multiple choice

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