FollowMe iQuiz Q True or False Motor neurons conduct impulses towards the central nervous system Brain and spinal cord Cell bodies of neurons Few axons Little myelin Faster Shorterlived Electrical in nature ID: 931554
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Slide1
3.5.3 Responses in the Human – Nervous System
Follow-Me –
iQuiz
Slide2Q. True or False. Motor neurons conduct impulses towards the central nervous system.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide4Q. What is a neuron?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide5CONGRATULATIONS
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Slide6Q. Briefly explain the role of neurotransmitter substances.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide8Q. State a function for the Myelin sheath.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide10Q. Give a function of dendrites.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide12Q. What is a sensory neuron?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide13CONGRATULATIONS
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Slide14Q. State a function for Schwann cells.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide15CONGRATULATIONS
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Slide16Q. What is the central nervous system?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide18Q. TRUE or FALSE. A motor neuron carries impulses to the brain.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide20Q. What is peripheral nervous system?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide21CONGRATULATIONS
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Slide22Q. What is a motor neuron?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide23CONGRATULATIONS
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Slide24Q. Give one way in which a nervous response differs from a hormonal response.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide25CONGRATULATIONS
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Slide26Q. State one function of the cerebrum of the brain.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide27CONGRATULATIONS
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Slide28Q. What is grey matter?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide29CONGRATULATIONS
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Slide30Q. What are interneurons or association neurons?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide31CONGRATULATIONS
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Slide32Q. State one function of the hypothalamus of the brain.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide33CONGRATULATIONS
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Slide34Q. What is white matter?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide35CONGRATULATIONS
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Slide36Q. State one function of the cerebellum of the brain.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide37CONGRATULATIONS
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Slide38Q. What term is used for glands that secrete hormones?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide39CONGRATULATIONS
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Slide40Q. State one function of the medulla oblongata of the brain.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
Slide41CONGRATULATIONS
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Slide42Q. Name the small gaps between neurons.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide44Q. Neurons produce neurotransmitter substances. What is their function?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide46Q. Give an example of a reflex action in humans.
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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Slide48Q. Why are reflex actions important in humans?
Brain and spinal cord
Cell bodies of neurons; Few axons; Little myelin
Faster; Shorter-lived; Electrical in nature
Fast response; Defence against injury
FALSE
Knee-jerk
Involuntary muscle control
Insulation; Protection; Speeds impulse
Homeostasis; Endocrine function
Many axons; Much myelin; Few cell bodies
Nerve cell
Nerve
that carries impulse
from receptor towards CNS
Nerves leading to and from CNS; Nerves not in CNS
Nerves that link two neurons
Language; Reason; Senses; Memory; Intelligence
TRUE
Receives and carries impulses to the cell body
Produces myelin sheath
Synaptic cleft; Synapse
Carries impulse across synaptic cleft, triggers impulse in next neuron
Movement; Balance; Coordination
Carry impulse across synapse
Nerve that carries impulse away from CNS to effector
Endocrine
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