Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

A student recorded notes on two diseases: hand, foot and mouth disease (HFMD) and Lyme disease. HFMD is caused by a viral pathogen and is spread in several ways, including: • drinking water polluted with faeces • breathing in droplets that contain the pathogen. Lyme disease is caused by a bacterial pathogen and is spread through the bite of an infected insect. Which statement gives a correct comparison between the diseases the student has written about and cholera, malaria or tuberculosis (TB)?

  • AAntibiotics can be used to kill the vector of the pathogen that causes malaria and the vector of the pathogen that causes Lyme disease.
  • BHFMD can be transmitted in a similar way to either cholera or TB.
  • CThe cells of the pathogen that causes HFMD and the cells of the pathogen that causes TB are prokaryotic.
  • DTransmission of TB and HFMD could be reduced by chlorinating drinking water.

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