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Laabri

TCA - Nervous System Payday #1

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Last updated about 5 years ago
17 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Anatomy quiz

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1.

Nervous sytem subdivision that is composed of the brain and spinal cord

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2.

Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles.

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3.

Nervous system subdivision that is composed of the cranial and spinal nerves and ganglia.

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4.

Subdivision of the PNS that regulates the activity of the heart and smooth muscles and of glands; also called the involuntary nervous system.

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5.

A major subdivision of the nervous system that interprets incoming information and issues outgoing "orders"

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6.

A major subdivision of the nervous system that serves as the communication lines, linking all parts of the body to the CNS.

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7.

Supporting cells found in the CNS are called neuroglia.

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8.

Neurons are mitotic and therefore are responsible for most brain neoplasms (tumors)

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9.

Schwann cells and satellite cells are found only in the PNS.

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10.

Ependymal cells show irritability and conductivity.

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11.

Almost 50% of the mass of the brain is neuroglial cells.

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12.

In the CNS, oligodendrites engulf invading microorganisms and dead neural tissue.

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13.

Ependymal cells line the central cavities of the brain and spinal cord, where they form a fairly permeable barrier between the cerebral spinal fluid and the fluid surrounding the cells of the CNS.

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14.

Oligodendrocytes wrap their cytoplasmic extensions around thick neurons fibers in the CNS.

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15.

The bulb-like ends of the axons of neurons, synapse with capillaries.

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16.

Relative to neuron anatomy, match the descriptors to the appropriate anatomical term.

  • releases neurotransmitters

  • conducts localized electrical currents toward the cell body/soma

  • increases the speed of impulse transmission

  • location of the nucleus

  • conducts impulses away from the cell body/soma

  • most are located and protected within the CNS

  • short, tapering, "input" branched extensions from the cell body

  • the neuronal process that is found in a nerve fiber

  • formed by Schwann cells in the PNS

  • clusters of ribosomes and rough endoplasmic reticulum

  • most of these are found in the CNS where they are protected by the bones of the skull and vertebral column.

  • Nodes of Ranvier are found between these structures

  • Axon terminal

  • Cell body

  • Dendrites

  • Myelin sheath

  • Nissl bodies

  • Axon

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

Match the following

Draggable itemarrow_right_altCorresponding Item

trigger zone

arrow_right_alt

dendrite

conducting component

arrow_right_alt

axon hillock

secretory components

arrow_right_alt

axon

receptive region

arrow_right_alt

axon terminal