A Level Biology - Neuronal Communication - Statistics

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This quiz has been taken 84 times
The average score is 4 of 14

Answer Stats

Definition	Keyword	% Correct
A chemical used as a signalling molecule between two neurones in a synapse	Neurotransmitter	87%
Neurones that carry an action potential from the CNS to the effector	Motor neurone	54%
A brief reversal of the potential across the membrane of a neurone causing a peak of +40mV compared to the resting potential of -60mV	Action potential	50%
The potential difference across the membrane while the neurone is at rest	Resting potential	43%
Neurones that carry an action potential from the sensory receptor to the CNS	Sensory neurones	34%
A mechanism that increases a change taking the system further away from the optimum	Positive feedback	26%
Join sensory neurones to motor neurones	Relay neurones	25%
A synapse that uses acetylcholine as its neurotransmitter	Cholinergic synapse	18%
Occurs when the effects of several excitatory post-synaptic potentials are added together	Summation	18%
A pressure sensor found in the skin	Pacinian corpuscle	13%
A cell that converts one form of energy into another - in this case to an electrical impulse	Transducer	10%
Cells/sensory nerve endings that respond to to a stimulus in the internal or external environment of an organism and can create action potentials	Sensory receptors	9%
Has an individual layer of myelin around it	Myelinated neurone	7%
Has no individual layer of myelin	Non-myelinated neurone	6%

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