
BioPsych
Quiz by Bill James
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91 questions
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- Q1A branch of psychology concerned with the links between biology and behavior. (Some biological psychologists call themselves behavioral neuroscientists, neuropsychologists, behavior geneticists, physiological psychologists, or biopsychologists).Biological Psychology30s
- Q2A nerve cell; the basic building block of the nervous system.Neuron30s
- Q3The bushy, branchy extensions of a neuron that receive messages and conduct impulses toward the cell bodyDendrites30s
- Q4The extension of a neuron, ending in branchy terminal fibers, through which messages pass to other neurons or to muscles or glands.Axon30s
- Q5A layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next.Myelin Sheath30s
- Q6A neural impulse; a brief electrical charge that travels down an axon.Action Potential30s
- Q7The level of stimulation required to trigger a neural impulse.Threshold30s
- Q8The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron. The tiny gap at this junction is called the synaptic gap or synaptic cleft.Synapse30s
- Q9Chemicals messengers that cross the synaptic gaps between neurons. When released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that neuron will generate a neural impulse.Neurotransmitters30s
- Q10It enables muscle action, learning, and memory. When this neurotransmitter is released to our muscle cell receptors, the muscle contracts. If the transmission is blocked, (as happens during some kinds of anesthesia) the muscles cannot contract and we are paralyzed. A deficiency of this chemical is related to Alzheimer's disease.Acetylcholine30s
- Q11"Morphine within" - natural, opiatelike neurotransmitters linked to pain control and to pleasure.Endorphine30s
- Q12The body's speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems.Nervous System30s
- Q13The brain and spinal cord.Central Nervous System (CNS)30s
- Q14The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.Peripheral Nervous System (PNS)30s
- Q15Bundled axons that form neural "cables" connecting the central nervous system with muscles, glands, and sense organs.Nerves30s