Biology 9700 · AS & A Level · The gas exchange system

The gas exchange system — practice question

The signs of two diseases are given below. Disease 1: coughing up blood; pain on breathing; weight loss. Disease 2: breathlessness; difficulty breathing out; tiredness. Which row shows diseases 1 and 2?

  • ADisease 1: chronic bronchitis; Disease 2: emphysema
  • BDisease 1: emphysema; Disease 2: lung cancer
  • CDisease 1: lung cancer; Disease 2: chronic bronchitis
  • DDisease 1: lung cancer; Disease 2: emphysema

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