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3 marksIrritability and Response

CSEC Biology · January 2019 · Paper 2 · Question 6(b)

A motorcyclist crashed after drinking five beers. A paramedic checked the motorcyclist's pupil reflex.

Complete the flow diagram in the following box to show the sequence of events involved in the pupil reflex.

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Other parts of this question

  1. 6(a)Outline ONE major function of EACH of the following parts of the human brain: Cerebrum, Cerebellum, Medulla.[3 marks]
  2. 6(c)Suggest THREE conclusions that the paramedic may make if the accident victim is alive but shows no response to the pupil reflex test.[3 marks]
  3. 6(d)Explain THREE physiological reasons why the consumption of excess alcohol could have caused the motorcyclist to crash.[6 marks]

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