- Which side and area of Bob’s brain was affected by the stroke? (2 marks)
They spent a night at Wolf Creek in their tent. In the morning Betsy went to fill her water bottle from the creek
and a crocodile lunged at her grabbing the water bottle. - Which division of Betsy’s nervous system would be responsible for helping Betsy get out of this situation?
What impact does this division have on the body (3 marks)
Bob tries to help Betsy and in doing so has his right hand bitten off. They both escape and use relevant first aid
so that Bob does not bleed to death. Upon returning to the Darwin hospital Bob explains to Betsy that he has
an itchy right thumb. - Bob does not have a right thumb anymore, explain why he would be having these sensations. (2 marks)
Bob requires surgery to close the site of the severed hand. During the surgery he is put under a general
anaesthetic. - Many anaesthetics work by making it harder for a neuron to reach threshold. List describe the four stages of
an actional potential (5 marks)
To ensure that the anaesthetic was working before beginning the surgery, the anaesthetist tested Bob for the
plantar reflex. - What is a reflex? Give an example describing the stimulus, receptor, neural pathway, and response (3
marks)
Sample Solution
