Question 1

A ligand is a

Accepted Answer

A)  specific type of drug. 
B)  type of electrical stimulus. 
C)  cholinergic synapse. 
D)  molecule that binds to receptor proteins. 
A)  specific type of drug. 
B)  type of electrical stimulus. 
C)  cholinergic synapse. 
D)  molecule that binds to receptor proteins.

Question 2

Any substance that binds to a receptor is known as a(n) _______.

Accepted Answer

The answer of Any substance that binds to a receptor...

Question 3

The substance tetrodotoxin (TTX), found in the ovaries of pufferfish, is useful for studying the ionic mechanisms of the neuron because it

Accepted Answer

A)  selectively blocks sodium channels. 
B)  selectively blocks potassium channels. 
C)  prevents ion channels from closing. 
D)  directly stimulates neurons. 
A)  selectively blocks sodium channels. 
B)  selectively blocks potassium channels. 
C)  prevents ion channels from closing. 
D)  directly stimulates neurons.

Question 4

The toxins TTX and STX both block _______ channels, preventing the production of _______.

Accepted Answer

A)  sodium; electrostatic pressure 
B)  potassium; local potentials 
C)  sodium; action potentials 
D)  calcium; afterpotentials 
A)  sodium; electrostatic pressure 
B)  potassium; local potentials 
C)  sodium; action potentials 
D)  calcium; afterpotentials

Question 5

A stretch of the patellar tendon activates

Accepted Answer

A)  the flexion reflex. 
B)  an oscillator circuit. 
C)  the knee-jerk reflex. 
D)  the jaw-jerk reflex. 
A)  the flexion reflex. 
B)  an oscillator circuit. 
C)  the knee-jerk reflex. 
D)  the jaw-jerk reflex.

Question 6

The sodium-potassium pump is responsible for

Accepted Answer

A)  pushing three sodium ions out of the cell for every two potassium ions pumped in. 
B)  initiating the action potential. 
C)  pumping potassium and sodium into the cell. 
D)  creating a positive net charge inside the cell. 
A)  pushing three sodium ions out of the cell for every two potassium ions pumped in. 
B)  initiating the action potential. 
C)  pumping potassium and sodium into the cell. 
D)  creating a positive net charge inside the cell.

Question 7

Myelin increases the speed of conduction because it

Accepted Answer

A)  permits the flow of ionic current across the membrane. 
B)  resists the flow of current across the membrane. 
C)  releases special chemicals that aid conduction. 
D)  increases capacitance. 
A)  permits the flow of ionic current across the membrane. 
B)  resists the flow of current across the membrane. 
C)  releases special chemicals that aid conduction. 
D)  increases capacitance.

Question 8

Write a coherent and informative paragraph incorporating each of the following terms or concepts: saltatory conduction; myelin; ion flow; axon diameter.

Accepted Answer

Saltatory conduction is the process by w

Question 9

The alternating muscular jerks and relaxations that accompany some seizures are characteristic of the _______ phase.

Accepted Answer

A)  tonic 
B)  clonic 
C)  petit mal 
D)  recovery 
A)  tonic 
B)  clonic 
C)  petit mal 
D)  recovery

Question 10

In _______ clamping, the membrane potential of an axon is measured and manipulated; _______ clamping allows the manipulation and analysis of part of a membrane, even a single ion channel.

Accepted Answer

A)  patch; ion 
B)  axon; voltage 
C)  threshold; electrode 
D)  voltage; patch 
A)  patch; ion 
B)  axon; voltage 
C)  threshold; electrode 
D)  voltage; patch

Question 11

Give a detailed explanation of how the resting membrane potential is established, how and why it varies from the predicted value, and how it is maintained.

Accepted Answer

The resting membrane potential is the el

Question 12

Inhibitory postsynaptic potentials differ from excitatory postsynaptic potentials most significantly in their

Accepted Answer

A)  degree of capacitance. 
B)  direction of membrane polarization. 
C)  ease of elicitation. 
D)  overall amplitude. 
A)  degree of capacitance. 
B)  direction of membrane polarization. 
C)  ease of elicitation. 
D)  overall amplitude.

Question 13

Write a coherent and informative paragraph incorporating each of the following terms or concepts: EEG; normal behavior; abnormal behavior; tonic-clonic and simple partial seizures.

Accepted Answer

An EEG, or electroencephalogram, is a te

Question 14

At metabotropic synapses, second messengers are activated in postsynaptic neurons by

Accepted Answer

A)  electrical currents. 
B)  specific enzymes. 
C)  mitochondria. 
D)  transmitter-receptor combinations. 
A)  electrical currents. 
B)  specific enzymes. 
C)  mitochondria. 
D)  transmitter-receptor combinations.

Question 15

The lock-and-key analogy is used to describe the

Accepted Answer

A)  action of transmitter molecules on receptor proteins. 
B)  activation of the nerve impulse. 
C)  degradation of transmitter molecules by enzymes. 
D)  binding of G proteins to transmitter receptors. 
A)  action of transmitter molecules on receptor proteins. 
B)  activation of the nerve impulse. 
C)  degradation of transmitter molecules by enzymes. 
D)  binding of G proteins to transmitter receptors.

Question 16

The largest-diameter myelinated axons in mammals conduct action potentials at

Accepted Answer

A)  120 m/s. 
B)  150 m/s. 
C)  1 m/s. 
D)  100 m/s. 
A)  120 m/s. 
B)  150 m/s. 
C)  1 m/s. 
D)  100 m/s.

A ligand is a

Any substance that binds to a receptor is known as a(n) _______.

The substance tetrodotoxin (TTX), found in the ovaries of pufferfish, is useful for studying the ionic mechanisms of the neuron because it

The toxins TTX and STX both block _ channels, preventing the production of _.

A stretch of the patellar tendon activates

The sodium-potassium pump is responsible for

Myelin increases the speed of conduction because it

Write a coherent and informative paragraph incorporating each of the following terms or concepts: saltatory conduction; myelin; ion flow; axon diameter.

The alternating muscular jerks and relaxations that accompany some seizures are characteristic of the _______ phase.

In _ clamping, the membrane potential of an axon is measured and manipulated; _ clamping allows the manipulation and analysis of part of a membrane, even a single ion channel.

Give a detailed explanation of how the resting membrane potential is established, how and why it varies from the predicted value, and how it is maintained.

Inhibitory postsynaptic potentials differ from excitatory postsynaptic potentials most significantly in their

Write a coherent and informative paragraph incorporating each of the following terms or concepts: EEG; normal behavior; abnormal behavior; tonic-clonic and simple partial seizures.

At metabotropic synapses, second messengers are activated in postsynaptic neurons by

The lock-and-key analogy is used to describe the

The largest-diameter myelinated axons in mammals conduct action potentials at

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

A ligand is a

Any substance that binds to a receptor is known as a(n) _______.

The substance tetrodotoxin (TTX), found in the ovaries of pufferfish, is useful for studying the ionic mechanisms of the neuron because it

The toxins TTX and STX both block _______ channels, preventing the production of _______.

A stretch of the patellar tendon activates

The sodium-potassium pump is responsible for

Myelin increases the speed of conduction because it

Write a coherent and informative paragraph incorporating each of the following terms or concepts: saltatory conduction; myelin; ion flow; axon diameter.

The alternating muscular jerks and relaxations that accompany some seizures are characteristic of the _______ phase.

In _______ clamping, the membrane potential of an axon is measured and manipulated; _______ clamping allows the manipulation and analysis of part of a membrane, even a single ion channel.

Give a detailed explanation of how the resting membrane potential is established, how and why it varies from the predicted value, and how it is maintained.

Inhibitory postsynaptic potentials differ from excitatory postsynaptic potentials most significantly in their

Write a coherent and informative paragraph incorporating each of the following terms or concepts: EEG; normal behavior; abnormal behavior; tonic-clonic and simple partial seizures.

At metabotropic synapses, second messengers are activated in postsynaptic neurons by

The lock-and-key analogy is used to describe the

The largest-diameter myelinated axons in mammals conduct action potentials at

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

The toxins TTX and STX both block _ channels, preventing the production of _.

In _ clamping, the membrane potential of an axon is measured and manipulated; _ clamping allows the manipulation and analysis of part of a membrane, even a single ion channel.