Unit 2 Test Study Stack
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A momentary reversal in electrical potential across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus. | Action Potential
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| A long nerve cell process that usually conducts impulses away from the cell body. | Axon
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| Any of the usually branching protoplasmic processes that conduct impulses toward the body of a neuron. | Dendrite
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| An atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons. | Ion
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| In a neuron, an insulating coat of cell membrane from Schwann cells that is interrupted by nodes of Ranvier. | Myelin Sheath
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| A physician skilled in the diagnosis and treatment of disease of the nervous system. | Neurologist
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| A nerve cell; the fundamental unit of the nervous system, having structure and properties that allow it to conduct signals by taking advantage of the electrical charge across its cell membrane. | Neuron
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| A substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse. | Neurotransmitter
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| The time elapsing between the beginning of the application of a stimulus and the beginning of an organism's reaction to it. | Reaction Time
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| An automatic to a stimulus that involves a nerve impulse passing inward from a receptor to the spinal cord and thence outward to an effector (as a muscle or gland) without reaching the level of consciousness and often without passing to the brain. | Reflex
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| The place at which a nervous impulse passes from one neuron to another. | Synapse
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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