Exam 3: Neurophysiology: The Generation, Transmission, and Integration of Neural Signals

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_ conduction of the action potential along the nodes of _ between myelin sheaths speeds propagation down the axon.

(Multiple Choice)

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Question 21

Give a step-by-step description of the generation of an action potential and its transmission along an axon. Describe how the presence or absence of myelin affects this process.

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Question 22

Most IPSPs are attributable to the

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Question 23

Describe the refractory phase and its physiological basis. What is its significance for neuronal activity?

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Question 24

Describe the forces that influence ion movement across the membrane of a neuron.

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Question 25

The phenomenon of convergence is illustrated by the circuits of the visual system, in which about 100 million receptor cells send information to about _______ ganglion cells.

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Question 26

G proteins are able to amplify the message from a single receptor because they

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Question 27

During the action potential, the neuron cannot be excited by a second stimulus; it is _. For a few milliseconds afterward, the hyperpolarized neuron is _, requiring a stronger stimulation than usual in order to fire.

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Question 28

Action potentials generally are not transmitted along dendrites because they have

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Question 29

Inhibitory postsynaptic potentials are characterized by _______ of the postsynaptic membrane.

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Question 30

Refer to the figure. The meter in this figure is located at the a. synapse. b. axon hillock. c. dendrite. d. axon terminal.

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Question 31

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The generation of the action potential depends on _______ channels, which are opened through a process of regenerative depolarization.

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Question 32

Which statement about retrograde synapses is false?

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Question 33

Most ACh receptors in the brain are

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Question 34

The resting membrane potential is

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Question 35

The quantity of many types of receptors in the brain may vary during the day by

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Question 36

Halorhodopsin is stimulated by _ light and allows _ ions to enter the cell.

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Question 37

A large fraction of the energy consumed by the brain is used for

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Question 38

Describe the two mechanisms which cause the prompt cessation of transmitter effects. Why is this process important?

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Question 39

Describe information processing within the knee-jerk reflex, giving details of the types of cells involved, their locations, and the neurotransmitters used at each synapse.

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Question 40

Showing 21 - 40 of 136

_ conduction of the action potential along the nodes of _ between myelin sheaths speeds propagation down the axon.

Give a step-by-step description of the generation of an action potential and its transmission along an axon. Describe how the presence or absence of myelin affects this process.

Most IPSPs are attributable to the

Describe the refractory phase and its physiological basis. What is its significance for neuronal activity?

Describe the forces that influence ion movement across the membrane of a neuron.

The phenomenon of convergence is illustrated by the circuits of the visual system, in which about 100 million receptor cells send information to about _______ ganglion cells.

G proteins are able to amplify the message from a single receptor because they

During the action potential, the neuron cannot be excited by a second stimulus; it is _. For a few milliseconds afterward, the hyperpolarized neuron is _, requiring a stronger stimulation than usual in order to fire.

Action potentials generally are not transmitted along dendrites because they have

Inhibitory postsynaptic potentials are characterized by _______ of the postsynaptic membrane.

Refer to the figure. The meter in this figure is located at the a. synapse. b. axon hillock. c. dendrite. d. axon terminal.

The generation of the action potential depends on _______ channels, which are opened through a process of regenerative depolarization.

Which statement about retrograde synapses is false?

Most ACh receptors in the brain are

The resting membrane potential is

The quantity of many types of receptors in the brain may vary during the day by

Halorhodopsin is stimulated by _ light and allows _ ions to enter the cell.

A large fraction of the energy consumed by the brain is used for

Describe the two mechanisms which cause the prompt cessation of transmitter effects. Why is this process important?

Describe information processing within the knee-jerk reflex, giving details of the types of cells involved, their locations, and the neurotransmitters used at each synapse.

Behavioral Neuroscience Scope and Outlook

Functional Neuroanatomy: The Cells and Structures of the Nervous System

The Chemistry of Behavior: Neurotransmitters and Neuropharmacology

Hormones and the Brain

Evolution of the Brain and Behavior

Life-Span Development of the Brain and Behavior

General Principles of Sensory Processing, Touch, and Pain

Hearing, Balance, Taste, and Smell

Vision: From Eye to Brain

Motor Control and Plasticity

Sex: Evolutionary, Hormonal, and Neural Bases

Homeostasis: Active Regulation of the Internal Environment

Biological Rhythms, Sleep, and Dreaming

Emotions, Aggression, and Stress

Psychopathology: Biological Basis of Behavioral Disorders

Learning and Memory

Attention and Higher Cognition

Language and Lateralization

Filters

Exam 3: Neurophysiology: The Generation, Transmission, and Integration of Neural Signals

_______ conduction of the action potential along the nodes of _______ between myelin sheaths speeds propagation down the axon.

Give a step-by-step description of the generation of an action potential and its transmission along an axon. Describe how the presence or absence of myelin affects this process.

Most IPSPs are attributable to the

Describe the refractory phase and its physiological basis. What is its significance for neuronal activity?

Describe the forces that influence ion movement across the membrane of a neuron.

The phenomenon of convergence is illustrated by the circuits of the visual system, in which about 100 million receptor cells send information to about _______ ganglion cells.

G proteins are able to amplify the message from a single receptor because they

During the action potential, the neuron cannot be excited by a second stimulus; it is _______. For a few milliseconds afterward, the hyperpolarized neuron is _______, requiring a stronger stimulation than usual in order to fire.

Action potentials generally are not transmitted along dendrites because they have

Inhibitory postsynaptic potentials are characterized by _______ of the postsynaptic membrane.

Refer to the figure. The meter in this figure is located at the a. synapse. b. axon hillock. c. dendrite. d. axon terminal.

The generation of the action potential depends on _______ channels, which are opened through a process of regenerative depolarization.

Which statement about retrograde synapses is false?

Most ACh receptors in the brain are

The resting membrane potential is

The quantity of many types of receptors in the brain may vary during the day by

Halorhodopsin is stimulated by _______ light and allows _______ ions to enter the cell.

A large fraction of the energy consumed by the brain is used for

Describe the two mechanisms which cause the prompt cessation of transmitter effects. Why is this process important?

Describe information processing within the knee-jerk reflex, giving details of the types of cells involved, their locations, and the neurotransmitters used at each synapse.

Behavioral Neuroscience Scope and Outlook

Functional Neuroanatomy: The Cells and Structures of the Nervous System

The Chemistry of Behavior: Neurotransmitters and Neuropharmacology

Hormones and the Brain

Evolution of the Brain and Behavior

Life-Span Development of the Brain and Behavior

General Principles of Sensory Processing, Touch, and Pain

Hearing, Balance, Taste, and Smell

Vision: From Eye to Brain

Motor Control and Plasticity

Sex: Evolutionary, Hormonal, and Neural Bases

Homeostasis: Active Regulation of the Internal Environment

Biological Rhythms, Sleep, and Dreaming

Emotions, Aggression, and Stress

Psychopathology: Biological Basis of Behavioral Disorders

Learning and Memory

Attention and Higher Cognition

Language and Lateralization

Filters

_ conduction of the action potential along the nodes of _ between myelin sheaths speeds propagation down the axon.

During the action potential, the neuron cannot be excited by a second stimulus; it is _. For a few milliseconds afterward, the hyperpolarized neuron is _, requiring a stronger stimulation than usual in order to fire.

Halorhodopsin is stimulated by _ light and allows _ ions to enter the cell.