14th of January

Question 1

peripheral nervous system is made up of

Answer 1

consists of nerves outside of the central nervous system

Question 2

describe the role of neurotransmitter substances

Answer 2

impulse arrives at neurotransmitter swelling
vesicles release neurotransmitter into synaptic cleft
impulse is passed on to next neuron
broken down by enzyme

Question 3

suggest a possible role for a drug in relation to the role of neurotransmitters

Answer 3

used to stop transmission of an impulse

used to enhance transmission of an impulse