1) What is a synapse? a) A short sleep b) A small gap between neurons c) A chemical that transmits nerve signals 2) Which type of neurone transmits a signal from a sense organ to the spinal cord and brain? a) sensory b) relay c) motor 3) How is a reflex action different from a normal response by the nervous system to a stimulus? a) It doesn't need to involve the brain b) It doesn't involve the nerves c) It is slower 4) What is the name of the long part of the nerve cell that carries the signal? a) Axon b) Dendron c) Cytoplasm 5) e ability of the eye to control the amount of light entering it is: a) Accomodation b) A reflex action c) A learned response 6) What type of drug is caffeine? a) Painkiller b) Sedative c) Stimulant 7) What is a long term affect of alcohol use? a) Liver damage b) Permanent tiredness c) Blurred vision 8) What is a carcinogen? a) A chemical that speeds up a reaction b) A chemical that can increase the risk of cancer c) A chemical that causes genetic damage to unborn children

CNS and Drugs recap as starter

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