Question 1

After the activation of a G-protein,the sequence of signalling events consists of:

Accepted Answer

A)  effector enzyme, second messenger, protein kinase, substrate protein. 
B)  second messenger, effector enzyme, protein kinase substrate protein. 
C)  effector enzyme, protein kinase, second messenger, substrate protein. 
D)  substrate protein, protein kinase, second messenger, effector enzyme. 
A)  effector enzyme, second messenger, protein kinase, substrate protein. 
B)  second messenger, effector enzyme, protein kinase substrate protein. 
C)  effector enzyme, protein kinase, second messenger, substrate protein. 
D)  substrate protein, protein kinase, second messenger, effector enzyme.

Question 2

A neurotransmitter receptor is an example of a ligand-gated receptor.

Accepted Answer

A) True 
 B)False

Question 3

You are a neuroscientist attempting to determine what type of neurotransmitter each releases based on the enzymes found in the neurons.You have so far determined that all of the neurons contain the enzyme tyrosine hydroxylase.Determine which neurotransmitters these neurons could release and suggest how this would be accomplished.

Accepted Answer

The researcher should test the neurons f

Question 4

A drug that inhibited acetylcholinesterase would:

Accepted Answer

A)  reduce levels of dopamine. 
B)  prevent a decrease in levels of acetylcholine. 
C)  increase levels of norepinephrine. 
D)  decrease activation of cholinergic receptors. 
A)  reduce levels of dopamine. 
B)  prevent a decrease in levels of acetylcholine. 
C)  increase levels of norepinephrine. 
D)  decrease activation of cholinergic receptors.

Question 5

At the beginning of the refractory period,why does the charge within a neuron from positive to negative?

Accepted Answer

A)  An inhibitory postsynaptic potential is produced. 
B)  Sodium channels open allowing sodium to leave the neuron. 
C)  Potassium channels open allowing potassium to leave the neuron. 
D)  The concentration of negatively charged proteins increases. 
A)  An inhibitory postsynaptic potential is produced. 
B)  Sodium channels open allowing sodium to leave the neuron. 
C)  Potassium channels open allowing potassium to leave the neuron. 
D)  The concentration of negatively charged proteins increases.

Question 6

If a pharmacologist designed a drug that prevented the activation of G-proteins,which of the following would occur if a neurotransmitter binded to a metabotropic receptor?

Accepted Answer

A)  Effector enzymes attached to the receptor would still be activated. 
B)  No effects would occur. 
C)  A second messenger would attach to the receptor. 
D)  Gene expression would increase. 
A)  Effector enzymes attached to the receptor would still be activated. 
B)  No effects would occur. 
C)  A second messenger would attach to the receptor. 
D)  Gene expression would increase.

Question 7

The following statements for serotonin are true except:

Accepted Answer

A)  Serotonin has a different synthesis pathway than norepinephine. 
B)  Serotonin transported into vesicles through a different vesicular transporter than dopamine. 
C)  MAO is a catabolic enzyme for serotonin. 
D)  Reuptake for serotonin occurs via the serotonin transporter. 
A)  Serotonin has a different synthesis pathway than norepinephine. 
B)  Serotonin transported into vesicles through a different vesicular transporter than dopamine. 
C)  MAO is a catabolic enzyme for serotonin. 
D)  Reuptake for serotonin occurs via the serotonin transporter.

Question 8

All of the following describe conditions that facilitate an action potential except:

Accepted Answer

A)  a resting potential precedes an action potential. 
B)  sodium channels open. 
C)  sodium-potassium pump activity decreases. 
D)  the local potential becomes depolarized. 
A)  a resting potential precedes an action potential. 
B)  sodium channels open. 
C)  sodium-potassium pump activity decreases. 
D)  the local potential becomes depolarized.

Question 9

Activating a GABAA postsynaptic receptor will cause a(n)_____________.

Accepted Answer

inhibitory

Question 10

Potassium ions will exit a neuron during a resting potential through open channels due to:

Accepted Answer

A)  electrostatic attraction. 
B)  a concentration gradient. 
C)  sodium-potassium pump activity. 
D)  hyperpolarization. 
A)  electrostatic attraction. 
B)  a concentration gradient. 
C)  sodium-potassium pump activity. 
D)  hyperpolarization.

Question 11

A series of action potentials occurring down the length of an axon are referred to as:

Accepted Answer

A)  nodes of Ranvier. 
B)  propagation of actions potentials. 
C)  firing rate. 
D)  the all-or-none law. 
A)  nodes of Ranvier. 
B)  propagation of actions potentials. 
C)  firing rate. 
D)  the all-or-none law.

Question 12

The sequence of events in chemical neurotransmission normally occurs in this order:

Accepted Answer

A)  Storage, release, bind to receptors, synthesis. 
B)  Synthesis, storage, release, bind to receptors. 
C)  Release, synthesis, storage, bind to receptors. 
D)  Bind to receptors, release, storage, synthesis. 
A)  Storage, release, bind to receptors, synthesis. 
B)  Synthesis, storage, release, bind to receptors. 
C)  Release, synthesis, storage, bind to receptors. 
D)  Bind to receptors, release, storage, synthesis.

Question 13

A compound that blocked vesicular transporters would likely:

Accepted Answer

A)  increase the activity of postsynaptic receptors. 
B)  cause a decrease in calcium influx. 
C)  prevent reuptake. 
D)  prevent the storage of neurotransmitters in vesicles. 
A)  increase the activity of postsynaptic receptors. 
B)  cause a decrease in calcium influx. 
C)  prevent reuptake. 
D)  prevent the storage of neurotransmitters in vesicles.

Question 14

The _______________ states that the magnitude of an action potential is independent from the magnitude of potential change that elicited the action potential.

Accepted Answer

A)  concentration gradient principle 
B)  principle of electrostatic attraction 
C)  refractory period 
D)  all-or-none law 
A)  concentration gradient principle 
B)  principle of electrostatic attraction 
C)  refractory period 
D)  all-or-none law

Question 15

All of the following are examples of functions of a metabotropic receptor except:

Accepted Answer

A)  gene expression and protein synthesis may occur after a neurotransmitter binds to the receptor. 
B)  a G-protein acts on ions channels or effector enzymes after a neurotransmitter bind to the receptor. 
C)  a G-protein may act on an effector enzyme that may then activate a second messenger. 
D)  an ion channel attached to the receptor will open when a neurotransmitter binds to the receptor. 
A)  gene expression and protein synthesis may occur after a neurotransmitter binds to the receptor. 
B)  a G-protein acts on ions channels or effector enzymes after a neurotransmitter bind to the receptor. 
C)  a G-protein may act on an effector enzyme that may then activate a second messenger. 
D)  an ion channel attached to the receptor will open when a neurotransmitter binds to the receptor.

Question 16

Tyrosine hydroxylase serves as the _____________ step for dopamine.

Accepted Answer

The answer of Tyrosine hydroxylase serves as the _____________ step...

Question 17

Ionotropic receptors are similar to voltage-gated ion channels except that:

Accepted Answer

A)  the ion channels are opened when a neurotransmitters binds to the receptor. 
B)  there is not an ion channel. 
C)  hyperpolization opens the receptor channels. 
D)  neurotransmitters pass through the channel instead of ions. 
A)  the ion channels are opened when a neurotransmitters binds to the receptor. 
B)  there is not an ion channel. 
C)  hyperpolization opens the receptor channels. 
D)  neurotransmitters pass through the channel instead of ions.

Question 18

Large molecule neurotransmitters are stored in vesicles in a neuron's soma.

Accepted Answer

A) True 
 B)False

Question 19

Describe the ways that hormones differ from neurotransmitters.

Accepted Answer

Hormones have widespread effects on targ

Question 20

Name and describe the two pharmacological strategies for treating Alzheimer's disease that were described in the book.

Accepted Answer

By inhibiting acetylcholinesterase,acety

After the activation of a G-protein,the sequence of signalling events consists of:

A neurotransmitter receptor is an example of a ligand-gated receptor.

A drug that inhibited acetylcholinesterase would:

At the beginning of the refractory period,why does the charge within a neuron from positive to negative?

If a pharmacologist designed a drug that prevented the activation of G-proteins,which of the following would occur if a neurotransmitter binded to a metabotropic receptor?

The following statements for serotonin are true except:

All of the following describe conditions that facilitate an action potential except:

Activating a GABAA postsynaptic receptor will cause a(n)_____________.

Potassium ions will exit a neuron during a resting potential through open channels due to:

A series of action potentials occurring down the length of an axon are referred to as:

The sequence of events in chemical neurotransmission normally occurs in this order:

A compound that blocked vesicular transporters would likely:

The _______________ states that the magnitude of an action potential is independent from the magnitude of potential change that elicited the action potential.

All of the following are examples of functions of a metabotropic receptor except:

Tyrosine hydroxylase serves as the _____________ step for dopamine.

Ionotropic receptors are similar to voltage-gated ion channels except that:

Large molecule neurotransmitters are stored in vesicles in a neuron's soma.

Describe the ways that hormones differ from neurotransmitters.

Name and describe the two pharmacological strategies for treating Alzheimer's disease that were described in the book.

Introduction to Psychopharmacology

The Nervous System

Properties of Drugs

Drugs of Abuse

Psychostimulants

Nicotine and Caffeine

Alcohol

GHP and Inhalants

Opioids

Cannabinoids

Psychedelic Drugs

Treatments for Depression and Bipolar Disorder

Treatments for Anxiety Disorders

Antipsychotic Drugs

Filters

Exam 3: Neurotransmission

After the activation of a G-protein,the sequence of signalling events consists of:

A neurotransmitter receptor is an example of a ligand-gated receptor.

A drug that inhibited acetylcholinesterase would:

At the beginning of the refractory period,why does the charge within a neuron from positive to negative?

If a pharmacologist designed a drug that prevented the activation of G-proteins,which of the following would occur if a neurotransmitter binded to a metabotropic receptor?

The following statements for serotonin are true except:

All of the following describe conditions that facilitate an action potential except:

Activating a GABAA postsynaptic receptor will cause a(n)_____________.

Potassium ions will exit a neuron during a resting potential through open channels due to:

A series of action potentials occurring down the length of an axon are referred to as:

The sequence of events in chemical neurotransmission normally occurs in this order:

A compound that blocked vesicular transporters would likely:

The _______________ states that the magnitude of an action potential is independent from the magnitude of potential change that elicited the action potential.

All of the following are examples of functions of a metabotropic receptor except:

Tyrosine hydroxylase serves as the _____________ step for dopamine.

Ionotropic receptors are similar to voltage-gated ion channels except that:

Large molecule neurotransmitters are stored in vesicles in a neuron's soma.

Describe the ways that hormones differ from neurotransmitters.

Name and describe the two pharmacological strategies for treating Alzheimer's disease that were described in the book.

Introduction to Psychopharmacology

The Nervous System

Properties of Drugs

Drugs of Abuse

Psychostimulants

Nicotine and Caffeine

Alcohol

GHP and Inhalants

Opioids

Cannabinoids

Psychedelic Drugs

Treatments for Depression and Bipolar Disorder

Treatments for Anxiety Disorders

Antipsychotic Drugs

Filters