Question 1

Activating a metabotropic receptor does not result in

Accepted Answer

A)  opening of a G protein-gated ion channel. 
B)  changes in the levels of a second messenger. 
C)  fast excitatory transmission. 
D)  changes in gene expression. 
A)  opening of a G protein-gated ion channel. 
B)  changes in the levels of a second messenger. 
C)  fast excitatory transmission. 
D)  changes in gene expression.

Question 2

Which statement about synapses is true?

Accepted Answer

A)  Synapses are uniform in size, transmitter release, and probability of action potential during an action potential. 
B)  Synapses vary widely in size, transmitter release, and probability of action potential during an action potential. 
C)  The most prevalent synapses in the brain are axoaxonic synapses. 
D)  In the rodent hippocampal synapses, a large amount of neurotransmitter is released when neurons fire. 
A)  Synapses are uniform in size, transmitter release, and probability of action potential during an action potential. 
B)  Synapses vary widely in size, transmitter release, and probability of action potential during an action potential. 
C)  The most prevalent synapses in the brain are axoaxonic synapses. 
D)  In the rodent hippocampal synapses, a large amount of neurotransmitter is released when neurons fire.

Question 3

Describe three factors that regulate neurotransmitter release.

Accepted Answer

Answers may vary.)
@#LAT-DLM&The rate of cell firi

Question 4

If one neuron contains both a neuropeptide and a classical neurotransmitter,

Accepted Answer

A)  all vesicles in the neuron will contain both substances. 
B)  stimulation of the neuron will result in release of only one of these. 
C)  some vesicles will contain only the neuropeptide and other vesicles will contain both substances. 
D)  some vesicles will contain only the classical neurotransmitter and other vesicles will contain both substances. 
A)  all vesicles in the neuron will contain both substances. 
B)  stimulation of the neuron will result in release of only one of these. 
C)  some vesicles will contain only the neuropeptide and other vesicles will contain both substances. 
D)  some vesicles will contain only the classical neurotransmitter and other vesicles will contain both substances.

Question 5

The most common type of synapse in the brain is the _______ synapse.

Accepted Answer

A)  axoaxonic 
B)  axodendritic 
C)  axosomatic 
D)  presynaptic inhibition 
A)  axoaxonic 
B)  axodendritic 
C)  axosomatic 
D)  presynaptic inhibition

Question 6

_______ is an example of a substance that can act as both a neurotransmitter and a hormone.

Accepted Answer

A)  Acetylcholine 
B)  Norepinephrine 
C)  Nitric oxide 
D)  Cortisol 
A)  Acetylcholine 
B)  Norepinephrine 
C)  Nitric oxide 
D)  Cortisol

Question 7

Neurotrophic factors are generally involved in regulation of

Accepted Answer

A)  long-term changes in gene expression. 
B)  the rate of cell firing. 
C)  rapid synaptic events. 
D)  opening of ion channels. 
A)  long-term changes in gene expression. 
B)  the rate of cell firing. 
C)  rapid synaptic events. 
D)  opening of ion channels.

Question 8

After binding of neurotrophic factors to their respective trk receptors,

Accepted Answer

A)  G proteins are activated. 
B)  the two trk receptors phosphorylate each other on tyrosine residues. 
C)  ion channels open. 
D)  second messenger systems are activated. 
A)  G proteins are activated. 
B)  the two trk receptors phosphorylate each other on tyrosine residues. 
C)  ion channels open. 
D)  second messenger systems are activated.

Question 9

Which statement about vesicular recycling is false?

Accepted Answer

A)  It occurs through a process known as endocytosis. 
B)  Without it, the neuron would grow progressively larger as vesicular membrane is added to the terminal. 
C)  New vesicles for classical neurotransmitters are reformed and filled in the terminal. 
D)  The processes of endocytosis and exocytosis constitute vesicle recycling. 
A)  It occurs through a process known as endocytosis. 
B)  Without it, the neuron would grow progressively larger as vesicular membrane is added to the terminal. 
C)  New vesicles for classical neurotransmitters are reformed and filled in the terminal. 
D)  The processes of endocytosis and exocytosis constitute vesicle recycling.

Question 10

Write a coherent and informative paragraph using the following terms: hypothalamus; posterior pituitary; median eminence; releasing hormones, vasopressin, oxytocin.

Accepted Answer

The answer of Write a coherent and informative paragraph using...

Question 11

_______ receptors mediate the effects of neurotrophic factors.

Accepted Answer

A)  Calcium/calmodulin kinase 
B)  Tyrosine kinase 
C)  Protein kinase A 
D)  Protein kinase C 
A)  Calcium/calmodulin kinase 
B)  Tyrosine kinase 
C)  Protein kinase A 
D)  Protein kinase C

Question 12

Ligand-gated ion channels are _______; G protein-coupled receptors are _______.

Accepted Answer

A)  slow/ionotropic; fast/metabotropic 
B)  fast/ionotropic; slow/metabotropic 
C)  slow/metabotropic; fast/ionotropic 
D)  fast/metabotropic; slow/ionotropic 
A)  slow/ionotropic; fast/metabotropic 
B)  fast/ionotropic; slow/metabotropic 
C)  slow/metabotropic; fast/ionotropic 
D)  fast/metabotropic; slow/ionotropic

Question 13

In contrast to the classical neurotransmitters and the neuropeptides, nitric oxide does not "behave" like a typical neurotransmitter. Which statement regarding nitric oxide signaling is false?

Accepted Answer

A)  It diffuses out of the nerve cell through the cell membrane. 
B)  It is not released from synaptic vesicles via exocytosis. 
C)  It may be released from the postsynaptic cell. 
D)  It may be released from the presynaptic cell. 
A)  It diffuses out of the nerve cell through the cell membrane. 
B)  It is not released from synaptic vesicles via exocytosis. 
C)  It may be released from the postsynaptic cell. 
D)  It may be released from the presynaptic cell.

Question 14

Briefly summarize five mechanisms by which drugs can alter synaptic transmission, and provide an example of a drug that acts in each manner.

Accepted Answer

Answers may vary.)
@#LAT-DLM&Increase the rate of

Activating a metabotropic receptor does not result in

Which statement about synapses is true?

Describe three factors that regulate neurotransmitter release.

If one neuron contains both a neuropeptide and a classical neurotransmitter,

The most common type of synapse in the brain is the _______ synapse.

_______ is an example of a substance that can act as both a neurotransmitter and a hormone.

Neurotrophic factors are generally involved in regulation of

After binding of neurotrophic factors to their respective trk receptors,

Which statement about vesicular recycling is false?

Write a coherent and informative paragraph using the following terms: hypothalamus; posterior pituitary; median eminence; releasing hormones, vasopressin, oxytocin.

_______ receptors mediate the effects of neurotrophic factors.

Ligand-gated ion channels are _; G protein-coupled receptors are _.

In contrast to the classical neurotransmitters and the neuropeptides, nitric oxide does not "behave" like a typical neurotransmitter. Which statement regarding nitric oxide signaling is false?

Briefly summarize five mechanisms by which drugs can alter synaptic transmission, and provide an example of a drug that acts in each manner.

Principles of Pharmacology

Structure and Function of the Nervous System

Methods of Research in Psychopharmacology

Catecholamines

Serotonin

Acetylcholine

Glutamate and Gaba

Drug Abuse and Addiction

Alcohol

The Opioids

Psychomotor Stimulants: Cocaine, Amphetamine, and Related Drugs

Nicotine and Caffeine

Marijuana and the Cannabinoids

Hallucinogens, Pcp, and Ketamine

Inhalants, Ghb, and Anabolic-Androgenic Steroids

Disorders of Anxiety and Impulsivity and the Drugs Used to Treat These Disorders

Affective Disorders: Antidepressants and Mood Stabilizers

Schizophrenia: Antipsychotic Drugs

Neurodegenerative Diseases, by Jennifer R : Yates, Lander University

Filters

Exam 3: Chemical Signaling by Neurotransmitters and Hormones

Activating a metabotropic receptor does not result in

Which statement about synapses is true?

Describe three factors that regulate neurotransmitter release.

If one neuron contains both a neuropeptide and a classical neurotransmitter,

The most common type of synapse in the brain is the _______ synapse.

_______ is an example of a substance that can act as both a neurotransmitter and a hormone.

Neurotrophic factors are generally involved in regulation of

After binding of neurotrophic factors to their respective trk receptors,

Which statement about vesicular recycling is false?

Write a coherent and informative paragraph using the following terms: hypothalamus; posterior pituitary; median eminence; releasing hormones, vasopressin, oxytocin.

_______ receptors mediate the effects of neurotrophic factors.

Ligand-gated ion channels are _______; G protein-coupled receptors are _______.

In contrast to the classical neurotransmitters and the neuropeptides, nitric oxide does not "behave" like a typical neurotransmitter. Which statement regarding nitric oxide signaling is false?

Briefly summarize five mechanisms by which drugs can alter synaptic transmission, and provide an example of a drug that acts in each manner.

Principles of Pharmacology

Structure and Function of the Nervous System

Methods of Research in Psychopharmacology

Catecholamines

Serotonin

Acetylcholine

Glutamate and Gaba

Drug Abuse and Addiction

Alcohol

The Opioids

Psychomotor Stimulants: Cocaine, Amphetamine, and Related Drugs

Nicotine and Caffeine

Marijuana and the Cannabinoids

Hallucinogens, Pcp, and Ketamine

Inhalants, Ghb, and Anabolic-Androgenic Steroids

Disorders of Anxiety and Impulsivity and the Drugs Used to Treat These Disorders

Affective Disorders: Antidepressants and Mood Stabilizers

Schizophrenia: Antipsychotic Drugs

Neurodegenerative Diseases, by Jennifer R : Yates, Lander University

Filters

Ligand-gated ion channels are _; G protein-coupled receptors are _.