Question 1

Which neurotransmitter is released by stimulated neurons to dilate the blood vessels?​

Accepted Answer

A)  endorphins
B)  ​glycine
C)  ​nitric oxide
D)  acetylcholineE) A) and D)
F) A) and B)

Question 2

An IPSP represents ____.​

Accepted Answer

A)  the location where a dendrite branches
B)  ​a gap in a myelin sheath
C)  ​a subthreshold depolarization
D)  a temporary hyperpolarizationE) A) and B)
F) A) and C)

Question 3

A metabotropic synapse,by way of its second messenger,____.​

Accepted Answer

A)  has effects localized to one point on the membrane
B)  ​can influence activity in much of the presynaptic cell
C)  ​can influence activity in much or all of the postsynaptic cell
D)  has minimal effect on the postsynaptic cellE) A) and B)
F) B) and D)

Question 4

What happens to acetylcholine after it attaches to a receptor on the postsynaptic cell?​

Accepted Answer

A)  It is broken down into two components.
B)  ​It is reabsorbed intact by the presynaptic cell.
C)  ​It is metabolized by the postsynaptic cell as a source of energy.
D)  It continues to stimulate the postsynaptic neuron until replaced by another neurotransmitter.E) C) and D)
F) A) and C)

Question 5

Metabotropic synapses use a large variety of transmitters.​

Accepted Answer

A) True 
 B)False

Question 6

The anterior pituitary is composed of ____ and the posterior pituitary is composed of ____.​

Accepted Answer

A)  glandular tissue; neural tissue
B)  ​neural tissue; glandular tissue
C)  ​neural tissue; neural tissue
D)  glandular tissue; glandular tissueE) B) and C)
F) A) and D)

Question 7

Most neurons release more than one kind of neurotransmitter.​

Accepted Answer

A) True 
 B)False

Question 8

The amino acid tryptophan is the precursor to which neurotransmitter?​

Accepted Answer

A)  dopamine
B)  ​endorphin
C)  ​serotonin
D)  nitric oxideE) A) and B)
F) A) and C)

Question 9

In general,a single neuron releases ____ neurotransmitter(s) and can respond to ____ neurotransmitter(s) .​

Accepted Answer

A)  one; many
B)  ​dozens of; only one
C)  ​several; only one
D)  several; manyE) C) and D)
F) B) and D)

Question 10

Compared to ionotropic effects,metabotropic effects are ____.​

Accepted Answer

A)  quicker and briefer
B)  ​slower and briefer
C)  ​quicker and longer lasting
D)  slower and longer lastingE) B) and D)
F) None of the above

Question 11

​On advantage of nitric oxide is that it ____.

Accepted Answer

A)  can be made by neurons efficiently
B)  ​is easily synthesized in a laboratory
C)  ​increases the growth of microglia
D)  safe for human cells in large quantitiesE) B) and D)
F) C) and D)

Question 12

Ionotropic effects ____.​

Accepted Answer

A)  depolarize the postsynaptic membrane
B)  ​hyperpolarize the postsynaptic membrane
C)  ​may depolarize or hyperpolarize the postsynaptic membrane
D)  enhance the reabsorption of neurotransmittersE) B) and D)
F) A) and C)

Question 13

Describe the main chemical events at a synapse.​

Accepted Answer

Understanding the chemical events at a s...

Question 14

Inhibitory synapses actively suppress excitatory responses.​

Accepted Answer

A) True 
 B)False

Question 15

Neurotransmitter levels in the brain can be affected by changes in diet.​

Accepted Answer

A) True 
 B)False

Question 16

Generally speaking,a neuron will release a greater number of neurotransmitters than what it will respond to with its own receptors.​

Accepted Answer

A) True 
 B)False

Question 17

An EPSP is a(n) ____.​

Accepted Answer

A)  graded depolarization
B)  ​depolarization with a rebounding hyperpolarization
C)  ​graded hyperpolarization
D)  action potential in a reflex arcE) A) and D)
F) C) and D)

Question 18

Whether or not a neurotransmitter is excitatory depends on the response of the postsynaptic receptor.​

Accepted Answer

A) True 
 B)False

Question 19

The research that firmly established synaptic communication as chemical was ____.​

Accepted Answer

A)  Elliot's adrenaline mimicking sympathetic activation
B)  ​Loewi's transfer of fluid from stimulated frog hearts
C)  ​Sherrington's study of reflexes
D)  Eccles's measurement of IPSPsE) All of the above
F) A) and B)

Question 20

What provides the building blocks for synthesizing all neurotransmitters?​

Accepted Answer

A)  proteins found in the diet
B)  ​breakdown products of DNA
C)  ​breakdown products formed from other transmitters
D)  methane and ethanolE) A) and B)
F) A) and C)

Exam 2: Synapses

Whether or not a neurotransmitter is excitatory depends on the response of the postsynaptic receptor.​

Correct AnswerverifiedShow Answer

Most neurons release more than one kind of neurotransmitter.​

Correct AnswerverifiedShow Answer

An IPSP represents ____.​

Correct AnswerverifiedShow Answer

The anterior pituitary is composed of ____ and the posterior pituitary is composed of ____.​

Correct AnswerverifiedShow Answer

Ionotropic effects ____.​

Correct AnswerverifiedShow Answer

The research that firmly established synaptic communication as chemical was ____.​

Correct AnswerverifiedShow Answer

What happens to acetylcholine after it attaches to a receptor on the postsynaptic cell?​

Correct AnswerverifiedShow Answer

What provides the building blocks for synthesizing all neurotransmitters?​

Correct AnswerverifiedShow Answer

Inhibitory synapses actively suppress excitatory responses.​

Correct AnswerverifiedShow Answer

An EPSP is a(n) ____.​

Correct AnswerverifiedShow Answer

Metabotropic synapses use a large variety of transmitters.​

Correct AnswerverifiedShow Answer

A metabotropic synapse,by way of its second messenger,____.​

Correct AnswerverifiedShow Answer

​On advantage of nitric oxide is that it ____.

Correct AnswerverifiedShow Answer

The amino acid tryptophan is the precursor to which neurotransmitter?​

Correct AnswerverifiedShow Answer

Which neurotransmitter is released by stimulated neurons to dilate the blood vessels?​

Correct AnswerverifiedShow Answer

Generally speaking,a neuron will release a greater number of neurotransmitters than what it will respond to with its own receptors.​

Correct AnswerverifiedShow Answer

Compared to ionotropic effects,metabotropic effects are ____.​

Correct AnswerverifiedShow Answer

Neurotransmitter levels in the brain can be affected by changes in diet.​

Correct AnswerverifiedShow Answer

Describe the main chemical events at a synapse.​

Correct AnswerverifiedUnderstanding the chemical events at a s...View AnswerShow Answer

In general,a single neuron releases ____ neurotransmitter(s) and can respond to ____ neurotransmitter(s) .​

Correct AnswerverifiedShow Answer

Whether or not a neurotransmitter is excitatory depends on the response of the postsynaptic receptor.

Correct Answer
verified

Most neurons release more than one kind of neurotransmitter.

Correct Answer
verified

An IPSP represents ____.

Correct Answer
verified

The anterior pituitary is composed of and the posterior pituitary is composed of .

Correct Answer
verified

Ionotropic effects ____.

Correct Answer
verified

The research that firmly established synaptic communication as chemical was ____.

Correct Answer
verified

What happens to acetylcholine after it attaches to a receptor on the postsynaptic cell?

Correct Answer
verified

What provides the building blocks for synthesizing all neurotransmitters?

Correct Answer
verified

Inhibitory synapses actively suppress excitatory responses.

Correct Answer
verified

An EPSP is a(n) ____.

Correct Answer
verified

Metabotropic synapses use a large variety of transmitters.

Correct Answer
verified

A metabotropic synapse,by way of its second messenger,____.

Correct Answer
verified

On advantage of nitric oxide is that it ____.

Correct Answer
verified

The amino acid tryptophan is the precursor to which neurotransmitter?

Correct Answer
verified

Which neurotransmitter is released by stimulated neurons to dilate the blood vessels?

Correct Answer
verified

Generally speaking,a neuron will release a greater number of neurotransmitters than what it will respond to with its own receptors.

Correct Answer
verified

Compared to ionotropic effects,metabotropic effects are ____.

Correct Answer
verified

Neurotransmitter levels in the brain can be affected by changes in diet.

Correct Answer
verified

Describe the main chemical events at a synapse.

Correct Answer
verified
Understanding the chemical events at a s...
View Answer

In general,a single neuron releases neurotransmitter(s) and can respond to neurotransmitter(s) .

Correct Answer
verified