Neural tissue
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Which of the following is not a function of the nervous system? | show 🗑
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| The ________ nervous system is composed of the brain and spinal cord. | show 🗑
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| show | Somatic
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| show | Afferent
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| show | Memory
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| show | satellite cells
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| show | astrocytes
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| show | conducting action potentials.
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| The myelin sheath that covers many CNS axons is formed by | show 🗑
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| show | Ependymal cells
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| show | microglia
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| The neurilemma of axons in the peripheral nervous system is formed by | show 🗑
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| show | satellite cells
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| show | pseudopolar
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| show | multipolar
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| Clusters of RER and free ribosomes in neurons are called | show 🗑
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| show | perikaryon
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| The axon is connected to the soma at the | show 🗑
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| Axons terminate in a series of fine extensions known as | show 🗑
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| show | Synapse
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| show | retrograde axoplasmic transport.
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| Neurons that are rare, small, and lack features that distinguish dendrites from axons are called | show 🗑
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| show | Unipolar
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| show | Bipolar
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| show | Multipolar
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| Sensory neurons of the PNS are | show 🗑
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| show | Sight
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| show | membrane permeability for sodium ions greater than potassium ions
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| show | Electrical forces push sodium ions out of the cell
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| At the normal resting potential of a typical neuron, its Na-K ion exchange pump transports | show 🗑
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| Ion channels that are always open are called ________ channels. | show 🗑
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| Opening of sodium channels in the axon membrane causes | show 🗑
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| Voltage-gated channels are present | show 🗑
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| show | 4, 6, 7, 1, 2, 3, 5
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| The sodium-potassium ion exchange pump | show 🗑
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| show | all stimuli great enough to bring the membrane to threshold will produce identical action potentials
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| _______ are the most numerous type of neuron in the CNS | show 🗑
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| show | axon hillock
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| show | whether or not the impulse begins in the CNS
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| Which of the following comparisons between neurons and muscle tissue is false? | show 🗑
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| ) Which type of synapse is most common in the nervous system | show 🗑
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| The ion that triggers the release of acetylcholine into the synaptic cleft is | show 🗑
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| If the chemically gated sodium channels in the postsynaptic membrane were completely blocked | show 🗑
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| The same ________ can have different effects depending on the properties of the ________ | show 🗑
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| show | depolarize it
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| show | microglia
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| show | astrocytes
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| show | all
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| show | Neuroglia
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| show | Interneurons
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| In a(n) ________ neuron, the dendrites and axon are continuous or fused | show 🗑
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| neurons are short, with a cell body between dendrite and axon, and occur in special sense organs | show 🗑
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