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12 questions
Which structures make up the central nervous system (CNS)?
What is the primary function of myelin sheath around an axon?
During an action potential, which ion floods into the neuron causing depolarization to about +40 mV?
Which sequence correctly describes the reflex arc pathway for a rapid withdrawal reflex?
Which neurotransmitter is primarily inhibitory and reduces neuronal activity, often targeted by sedatives?
What is the role of reuptake proteins at the presynaptic axon terminal?
Which brain lobe is primarily responsible for processing visual information?
Which statement correctly contrasts nervous and endocrine system signaling?
Which hormone is released by alpha cells of the pancreas to raise blood glucose?
A drug that blocks serotonin reuptake at the synapse will most directly cause which effect?
Which structure forms the blood–brain barrier by tightly packing around brain blood vessels?
Which photoreceptor type is responsible for colour vision and fine detail and is concentrated in the fovea centralis?