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Functional Organization of Nervous Tissue. Action Potential . Membrane Potential . Introduction . Cells . Synapse . $100. $100. $100. $ 100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500.

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functional organization of nervous tissue

Functional Organization of Nervous Tissue

Action Potential

Membrane Potential

Introduction

Cells

Synapse

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FINAL ROUND

introduction 100 question
Introduction: $100 Question
  • This is NOT a part of the peripheral nervous system:
  • a. cranial nerve
  • b. ganglion
  • c. spinal cord
  • d. spinal nerve

ANSWER

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introduction 100 answer
Introduction: $100 Answer
  • This is NOT a part of the peripheral nervous system:
  • a. cranial nerve
  • b. ganglion
  • c. spinal cord
  • d. spinal nerve

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introduction 200 question
Introduction: $200 Question
  • This extensive network of axons is located outside of the CNS:
  • a. ganglion
  • b. plexus
  • c. sensory receptor
  • d. spinal cord

ANSWER

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introduction 200 answer
Introduction: $200 Answer
  • This extensive network of axons is located outside of the CNS:
  • a. ganglion
  • b. plexus
  • c. sensory receptor
  • d. spinal cord

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introduction 300 question
Introduction: $300 Question
  • This portion of the motor division of the nervous system conducts action potentials from the central nervous system to skeletal muscle fibers.
  • a. afferent
  • b. autonomic
  • c. somatic
  • d. sympathetic

ANSWER

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introduction 300 answer
Introduction: $300 Answer
  • This portion of the motor division of the nervous system conducts action potentials from the central nervous system to skeletal muscle fibers.
  • a. afferent
  • b. autonomic
  • c. somatic
  • d. sympathetic

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introduction 400 question
Introduction: $400 Question
  • The cell bodies of sensory neurons are located in the dorsal root ganglion near the spinal cord.
  • True/False

ANSWER

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introduction 400 answer
Introduction: $400 Answer
  • The cell bodies of sensory neurons are located in the dorsal root ganglion near the spinal cord.
  • True/False

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introduction 500 question
Introduction: $500 Question
  • __________ pairs of cranial nerves originate from the brain, and __________ pairs of spinal nerves originate from the spinal cord.
  • a. two, twelve
  • b. eight, twenty-four
  • c. twelve, thirty-one
  • d. fifteen, thirty-six
  • e. sixteen, thirty-eight

ANSWER

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introduction 500 answer
Introduction: $500 Answer
  • __________ pairs of cranial nerves originate from the brain, and __________ pairs of spinal nerves originate from the spinal cord.
  • a. two, twelve
  • b. eight, twenty-four
  • c. twelve, thirty-one
  • d. fifteen, thirty-six
  • e. sixteen, thirty-eight

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cells 100 question
Cells: $100 Question
  • These cells conduct action potentials from one neuron to another within the CNS:
  • a. sensory (afferent) neurons
  • b. motor (efferent) neurons
  • c. interneurons (association) neurons
  • d. bipolar neurons

ANSWER

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cells 100 answer
Cells: $100 Answer
  • These cells conduct action potentials from one neuron to another within the CNS:
  • a. sensory (afferent) neurons
  • b. motor (efferent) neurons
  • c. interneurons (association) neurons
  • d. bipolar neurons

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cells 200 question
Cells: $200 Question
  • Axons terminate by branching to form small extensions with enlarged ends which are called this:
  • a. dendrites
  • b. neuron cell bodies
  • c. presynaptic terminals
  • d. postsynaptic membranes
  • e. axon hillocks

ANSWER

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cells 200 answer
Cells: $200 Answer
  • Axons terminate by branching to form small extensions with enlarged ends which are called this:
  • a. dendrites
  • b. neuron cell bodies
  • c. presynaptic terminals
  • d. postsynaptic membranes
  • e. axon hillocks

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cells 300 question
Cells: $300 Question
  • These cell types produce and help circulate cerebrospinal fluid:
  • a. astrocytes
  • b. microglia
  • c. ependymal cells
  • d. Schwann cells
  • e. oligodendrocytes

ANSWER

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cells 300 answer
Cells: $300 Answer
  • These cell types produce and help circulate cerebrospinal fluid:
  • a. astrocytes
  • b. microglia
  • c. ependymal cells
  • d. Schwann cells
  • e. oligodendrocytes

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cells 400 question
Cells: $400 Question
  • These statements about unipolar neurons are all true except:
  • a. most are sensory neurons
  • b. have a single process extending from the cell body
  • c. located in the eye and nasal cavity
  • d. have no dendrites

ANSWER

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cells 400 answer
Cells: $400 Answer
  • These statements about unipolar neurons are all true except:
  • a. most are sensory neurons
  • b. have a single process extending from the cell body
  • c. located in the eye and nasal cavity
  • d. have no dendrites

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cells 500 question
Cells: $500 Question
  • This statement best describes the myelin sheath:
  • a. made of Schwann cells(neurolemmocytes)
  • b. covering surrounding an axon
  • c. provides insulation from other axons
  • d. helps conduct the action potential more rapidly
  • e. all are true

ANSWER

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cells 500 answer
Cells: $500 Answer
  • This statement best describes the myelin sheath:
  • a. made of Schwann cells (neurolemmocytes)
  • b. covering surrounding an axon
  • c. provides insulation from other axons
  • d. helps conduct the action potential more rapidly
  • e. all are true

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membrane potential 100 question
Membrane Potential: $100 Question
  • Compared to the outside of the resting plasma membrane, the inside surface of the membrane is this:
  • a. positively charged
  • b. electrically neutral
  • c. negatively charged
  • d. continuously reversing so that it is positive one second and negative the next

ANSWER

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membrane potential 100 answer
Membrane Potential: $100 Answer
  • Compared to the outside of the resting plasma membrane, the inside surface of the membrane is this:
  • a. positively charged
  • b. electrically neutral
  • c. negatively charged
  • d. continuously reversing so that it is positive one second and negative the next

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membrane potential 200 question
Membrane Potential: $200 Question
  • Because of the sodium-potassium pump, there are:
  • a. more K+ outside the cell than inside and more Na+ inside the cell than outside
  • b. more K+ inside the cell than outside and Na+ outside the cell than inside
  • c. more K+ and Na inside the cell than outside
  • d. more K+ and Na outside the cell than inside

ANSWER

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membrane potential 200 answer
Membrane Potential: $200 Answer
  • Because of the sodium-potassium pump, there are:
  • a. more K+ outside the cell than inside and more Na+ inside the cell than outside
  • b. more K+ inside the cell than outside and Na+ outside the cell than inside
  • c. more K+ and Na inside the cell than outside
  • d. more K+ and Na outside the cell than inside

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membrane potential 300 question
Membrane Potential: $300 Question
  • The resting membrane potential results when the tendency for these ions to diffuse out of the cell is balanced by their attraction to opposite charges inside the cell:
  • a. Na+
  • b. K+
  • c. Cl-
  • d. negatively charged proteins
  • e. Ca2+

ANSWER

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membrane potential 300 answer
Membrane Potential: $300 Answer
  • The resting membrane potential results when the tendency for these ions to diffuse out of the cell is balanced by their attraction to opposite charges inside the cell:
  • a. Na+
  • b. K+
  • c. Cl-
  • d. negatively charged proteins
  • e. Ca2+

BACK TO GAME

membrane potential 400 question
Membrane Potential: $400 Question
  • The resting membrane potential of nerve cells due to the electric charge difference across the plasma membranes is approximately -85mv.
  • True/False

ANSWER

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membrane potential 400 answer
Membrane Potential: $400 Answer
  • The resting membrane potential of nerve cells due to the electric charge difference across the plasma membranes is approximately -85mv.
  • True/False

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membrane potential 500 question
Membrane Potential: $500 Question
  • Hyperpolarization, which is an increase in membrane potential, can be caused by this:
  • a. opening of Cl- gated channels
  • b. opening of Ca2+ gated channels
  • c. opening of Na+ gated channels
  • d. increase of extracellular K+

ANSWER

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membrane potential 500 answer
Membrane Potential: $500 Answer
  • Hyperpolarization, which is an increase in membrane potential, can be caused by this:
  • a. opening of Cl- gated channels
  • b. opening of Ca2+ gated channels
  • c. opening of Na+ gated channels
  • d. increase of extracellular K+

BACK TO GAME

action potential 100 question
Action Potential:$100 Question
  • The following are characteristics of action potentials except:
  • a. all-or-none
  • b. caused by graded potentials reaching threshold
  • c. stimulus strength determines the magnitude
  • d. depolarization is followed by repolarization

ANSWER

BACK TO GAME

action potential 100 answer
Action Potential:$100 Answer
  • The following are characteristics of action potentials except:
  • a. all-or-none
  • b. caused by graded potentials reaching threshold
  • c. stimulus strength determines the magnitude
  • d. depolarization is followed by repolarization

BACK TO GAME

action potential 200 question
Action Potential: $200 Question
  • Depolarization occurs because more Na+ diffuse into the cell than K + diffuse out of it.
  • True/False

ANSWER

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action potential 200 answer
Action Potential: $200 Answer
  • Depolarization occurs because more Na+ diffuse into the cell than K + diffuse out of it.
  • True/False

BACK TO GAME

action potential 300 question
Action Potential: $300 Question
  • This best describes the absolute refractory period:
  • limits how many action potentials can be produced during a given period of time
  • prevents an action potential from starting another action potential at the same point on the plasma membrane
  • is the period of time when a strong stimulus can initiate a second action potential.
  • both a and b.
  • all of the above

ANSWER

BACK TO GAME

action potential 300 answer
Action Potential: $300 Answer
  • This best describes the absolute refractory period:
  • limits how many action potentials can be produced during a given period of time
  • prevents an action potential from starting another action potential at the same point on the plasma membrane
  • is the period of time when a strong stimulus can initiate a second action potential
  • d. both a and b
  • e. all of the above

BACK TO GAME

action potential 400 question
Action Potential: $400 Question
  • During saltatory conduction, action potentials jump from this:
  • a. one astrocyte to another
  • b. an axon to a dendrite
  • c. one internode to another
  • d. one node of Ranvier to another
  • e. one microglia cell to another

ANSWER

BACK TO GAME

action potential 400 answer
Action Potential: $400 Answer
  • During saltatory conduction, action potentials jump from this:
  • a. one astrocyte to another
  • b. an axon to a dendrite
  • c. one internode to another
  • d. one node of Ranvier to another
  • e. one microglia cell to another

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action potential 500 question
Action Potential:$500 Question
  • If the duration of the absolute refractory period of a nerve cell is 1millisecond (ms), this many action potentials are generated by a maximal stimulus in 1 second:
  • a. 1
  • b. 10
  • c. 100
  • d. 1000

ANSWER

BACK TO GAME

action potential 500 answer
Action Potential:$500 Answer
  • If the duration of the absolute refractory period of a nerve cell is 1millisecond (ms), this many action potentials are generated by a maximal stimulus in 1 second:
  • a. 1
  • b. 10
  • c. 100
  • d. 1000

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synapse 100 question
Synapse:$100 Question
  • These are all part of a chemical synapse except:
  • a. presynaptic terminal
  • b. synaptic cleft
  • c. postsynaptic membrane
  • d. connexons

ANSWER

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synapse 100 answer
Synapse: $100 Answer
  • These are all part of a chemical synapse except:
  • a. presynaptic terminal
  • b. synaptic cleft
  • c. postsynaptic membrane
  • d. connexons

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synapse 200 question
Synapse: $200 Question
  • Acetylcholinesterase, monoamine oxidase (MAO), and catechol-O-methyltransferase are this:
  • a. neurotransmitters
  • b. enzymes that break down neurotransmitters
  • c. enzymes that act as neuromodulators
  • d. enzymes that could produce an EPSP
  • e. substances that could produce an IPSP

ANSWER

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synapse 200 answer
Synapse: $200 Answer
  • Acetylcholinesterase, monoamine oxidase (MAO), and catechol-O-methyltransferase are this:
  • a. neurotransmitters
  • b. enzymes that break down neurotransmitters
  • c. enzymes that act as neuromodulators
  • d. enzymes that could produce an EPSP
  • e. substances that could produce an IPSP

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synapse 300 question
Synapse: $300 Question
  • This characteristic can be produced by an IPSP:
  • a. local hyperpolarization
  • b. decreased excitability of neuron
  • c. increased permeability of postsynaptic membrane to K+ and Cl- ions
  • d. all of these

ANSWER

BACK TO GAME

synapse 300 answer
Synapse: $300 Answer
  • This characteristic can be produced by an IPSP:
  • a. local hyperpolarization
  • b. decreased excitability of neuron
  • c. increased permeability of postsynaptic membrane to K+ and Cl- ions
  • d. all of these

BACK TO GAME

synapse 400 question
Synapse: $400 Question
  • When two action potentials arrive in very close succession at a single presynaptic terminal, this action occurs:
  • a. an IPSP is produced
  • b. the second action potential cancels the first
  • c. spatial summation occurs
  • d. temporal summation occurs

ANSWER

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synapse 400 answer
Synapse: $400 Answer
  • When two action potentials arrive in very close succession at a single presynaptic terminal, this action occurs:
  • a. an IPSP is produced
  • b. the second action potential cancels the first
  • c. spatial summation occurs
  • d. temporal summation occurs

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synapse 500 question
Synapse:$500 Question
  • This combination represents a convergent pathway in the nervous system:
  • a. 1 presynaptic neuron synapses with 4 postsynaptic neurons
  • b. 1 presynaptic neuron synapses with 1 postsynaptic neuron
  • c. 3 presynaptic neurons synapse with 1 postsynaptic neuron
  • d. an afferent neuron synapses with an association neuron

ANSWER

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synapse 500 answer
Synapse: $500 Answer
  • This combination represents a convergent pathway in the nervous system:
  • a. 1 presynaptic neuron synapses with 4 postsynaptic neurons
  • b. 1 presynaptic neuron synapses with 1 postsynaptic neuron
  • c. 3 presynaptic neurons synapse with 1 postsynaptic neuron
  • d. an afferent neuron synapses with an association neuron

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final round question
FINAL ROUND Question
  • This kind of nerve fiber would conduct action potentials the FASTEST:
  • a. unmyelinated nerve fibers
  • b. type A fibers
  • c. type B fibers
  • d. type C fibers

ANSWER

BACK TO GAME

final round answer
FINAL ROUND Answer
  • This kind of nerve fiber would conduct action potentials the FASTEST:
  • a. unmyelinated nerve fibers
  • b. type A fibers
  • c. type B fibers
  • d. type C fibers

BACK TO GAME

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