Functional organization of nervous tissue
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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

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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

BACK TO GAME


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

BACK TO GAME


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

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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

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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

BACK TO GAME


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

BACK TO GAME


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

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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

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