Question 1

The notion that the nervous system communicates using chemical messages was first demonstrated by:

Accepted Answer

A)   Santiago Ramón y Cajal.
B)   Camillo Golgi.
C)   Otto Loewi.
D)   Donald Hebb.

Question 2

_____ is the deactivation of a neurotransmitter by transporter proteins that bring the transmitter back into the presynaptic side for reuse.

Accepted Answer

A)   Diffusion
B)   Enzymatic degradation
C)   Reuptake
D)   Neurochemical recycling

Question 3

The structure of synapses is best viewed with a(n) :

Accepted Answer

A)   electron microscope.
B)   light microscope.
C)   confocal microscope.
D)   Nissl-stained microscopic procedure.

Question 4

Which is the correct sequence of amine neurotransmitters?

Accepted Answer

A)   tyrosine,dopamine,L-dopa,epinephrine,norepinephrine
B)   L-dopa,tyrosine,dopamine,norepinephrine,epinephrine
C)   tyrosine,L-dopa,dopamine,epinephrine,norepinephrine
D)   tyrosine,L-dopa,dopamine,norepinephrine,epinephrine

Question 5

_____ is the deactivation of a neurotransmitter in the synaptic cleft by enzymes.

Accepted Answer

A)   Reuptake
B)   Degradation
C)   Breakdown
D)   Decay

Question 6

For an action potential to be elicited:

Accepted Answer

A)   one quantum of neurotransmitter must be released from the presynaptic cell.
B)   multiple quanta of neurotransmitter must be released from the presynaptic cell.
C)   calcium ions must enter the postsynaptic cell.
D)   one quantum of neurotransmitter must be released from the presynaptic cell,and calcium ions must enter the postsynaptic cell.

Question 7

Which of the following is NOT part of the amine subtype of small-molecule neurotransmitters?

Accepted Answer

A)   dopamine
B)   glycine
C)   serotonin
D)   norepinephrine

Question 8

Both THC and anandamide are examples of:

Accepted Answer

A)   endocannabinoids.
B)   recreational drugs.
C)   excitatory neurotransmitters.
D)   All of the answers are correct.

Question 9

Increasing the number of synapses to account for learning involves _____,leading to the activation of _____,a second messenger.

Accepted Answer

A)   calcium;cGMP
B)   potassium;cAMP
C)   calcium;cAMP
D)   sodium;cGMP

Question 10

Electron microscopy is a useful tool in the study of synaptic morphology.The resolution of an electron microscope is much greater than that of a light microscope because:

Accepted Answer

A)   smaller electron waves scatter less than light waves.
B)   light waves scatter less than electron waves.
C)   larger electron waves scatter more than light waves.
D)   larger light waves scatter in patterns similar to those of electron waves.

Question 11

_____ is the process of neurotransmitter deactivation whereby the neurotransmitter simply leaves the synaptic cleft.

Accepted Answer

A)   Diffusion
B)   Enzymatic degradation
C)   Reuptake
D)   Glial uptake

Question 12

Voltage-gated calcium ion channels that function in neurotransmission are primarily found on the:

Accepted Answer

A)   postsynaptic membrane.
B)   presynaptic membrane.
C)   synaptic vesicles.
D)   dendrites.

Question 13

Compared with chemical synapses,electrical synapses:

Accepted Answer

A)   transmit messages faster.
B)   transmit messages more slowly.
C)   require more metabolic energy.
D)   do not require presynaptic activation.

Question 14

A second-messenger system can:

Accepted Answer

A)   alter ion flow through the membrane channels.
B)   cause a series of reactions that result in the formation of new membrane ion channels.
C)   initiate or cease the production of specific proteins.
D)   All of the answers are correct.

Question 15

_____ is a neurotransmitter that helps control arousal,walking,and the contraction of smooth muscle.It also contributes to asthma,a constriction of the airways.

Accepted Answer

A)   Acetylcholine
B)   Histamine
C)   Glycine
D)   Dopamine

Question 16

Neurotransmitters are produced in the:

Accepted Answer

A)   cell body.
B)   presynaptic terminals.
C)   Golgi body.
D)   cell body and presynaptic terminals.

Question 17

_____ is found in foods such as egg yolk,avocado,salmon,and olive oil.

Accepted Answer

A)   Choline
B)   Acetate
C)   Tryptophan
D)   All of the answers are correct.

Question 18

Precursor chemicals that form the building blocks for neurotransmitters are absorbed from the:

Accepted Answer

A)   mitochondria.
B)   blood supply.
C)   cell nucleus.
D)   Golgi apparatus.

Question 19

Chemicals released by a neuron onto a target with an excitatory or inhibitory effect are called:

Accepted Answer

A)   messengers.
B)   action potentials.
C)   neurotransmitters.
D)   second messengers.

Question 20

Habituation is the result of:

Accepted Answer

A)   sensory neurons not being able to produce action potentials.
B)   motor neurons not being able to produce action potentials.
C)   excitatory postsynaptic potentials being smaller.
D)   both sensory and motor neurons not being able to produce action potentials.

Exam 5:How Do Neurons Communicate and Adapt? Part A

Increasing the number of synapses to account for learning involves _____,leading to the activation of _____,a second messenger.

Correct AnswerverifiedShow Answer

_____ is found in foods such as egg yolk,avocado,salmon,and olive oil.

Correct AnswerverifiedShow Answer

Habituation is the result of:

Correct AnswerverifiedShow Answer

Compared with chemical synapses,electrical synapses:

Correct AnswerverifiedShow Answer

_____ is the process of neurotransmitter deactivation whereby the neurotransmitter simply leaves the synaptic cleft.

Correct AnswerverifiedShow Answer

For an action potential to be elicited:

Correct AnswerverifiedShow Answer

A second-messenger system can:

Correct AnswerverifiedShow Answer

_____ is the deactivation of a neurotransmitter by transporter proteins that bring the transmitter back into the presynaptic side for reuse.

Correct AnswerverifiedShow Answer

Both THC and anandamide are examples of:

Correct AnswerverifiedShow Answer

_____ is a neurotransmitter that helps control arousal,walking,and the contraction of smooth muscle.It also contributes to asthma,a constriction of the airways.

Correct AnswerverifiedShow Answer

_____ is the deactivation of a neurotransmitter in the synaptic cleft by enzymes.

Correct AnswerverifiedShow Answer

The notion that the nervous system communicates using chemical messages was first demonstrated by:

Correct AnswerverifiedShow Answer

Neurotransmitters are produced in the:

Correct AnswerverifiedShow Answer

Which of the following is NOT part of the amine subtype of small-molecule neurotransmitters?

Correct AnswerverifiedShow Answer

The structure of synapses is best viewed with a(n) :

Correct AnswerverifiedShow Answer

Precursor chemicals that form the building blocks for neurotransmitters are absorbed from the:

Correct AnswerverifiedShow Answer

Chemicals released by a neuron onto a target with an excitatory or inhibitory effect are called:

Correct AnswerverifiedShow Answer

Electron microscopy is a useful tool in the study of synaptic morphology.The resolution of an electron microscope is much greater than that of a light microscope because:

Correct AnswerverifiedShow Answer

Which is the correct sequence of amine neurotransmitters?

Correct AnswerverifiedShow Answer

Voltage-gated calcium ion channels that function in neurotransmission are primarily found on the:

Correct AnswerverifiedShow Answer

Increasing the number of synapses to account for learning involves _,leading to the activation of _,a second messenger.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified