LCDC EXAM STUDY QUESTIONS AND ANSWERS ALREADY PASSED

LCDC EXAM STUDY QUESTIONS AND ANSWERS ALREADY PASSED Two main types of cells in the nervous system -️️ glia and neurons Glia -️️ Cells that out number neurons, cannot process information like neurons, make up the blood brain barrier that protects the brain from toxic chemicals in the blood Nervous system -️️ Consists of neurons, axons and receptors Receptors -️️ Proteins that help regulate activity of cells in the nervous system. Activation of receptors by neurotransmitters cause a change in activity of the target cell and many of the effects of psychoactive drugs are due to the ability to alter neurotransmitters. Neurons -️️ basic structural unit of the nervous system responsible for analyzing and transmitting information. There are more than 100 billion neurons in the nervous system Synapse -️️ Typical point of communication, gap between neurons is called the synaptic cleft. Two types of synapses -️️ Excitatory and inhibitory synapse. The receiving region is called the dendrite Effects on receptors -️️ Can be agonistic or antagonistic Agonistic drugst -️️ interact with the receptor and produce a response, agonist (a substance that fully activates the neuronal receptor that it attaches to) Imitates the action of neurotransmitter, is the use of a (usually) long-acting medication that