Unit 02: Quiz 3

Question 1

Neurotransmitters that are peptides, gases, or lipids are considered

Answer 1

non-classical transmitters

Question 2

The properties of ionotropic receptors are _________ while the properties of metabotropic receptors are ________.

Answer 2

fast and rapidly reversible; slower and longer lasting

Question 3

Which neurotransmitters are catecholamines?

A) dopamine and norepinephrine
B) serotonin and acetylcholine
C) dopamine and acetylcholine
D) serotonin and dopamine

Answer 3

A

Question 4

What type of receptor is a nicotinic receptor?

Answer 4

ionotropic receptor

Question 5

The speed of dissociation between a ligand and receptor is determined by the

Answer 5

binding affinity

Question 6

Drugs that interfere with the reuptake via transporters will affect

Answer 6

transmitter clearance

Question 7

_______ is defined by the presence of withdrawal symptoms when drug use stops

Answer 7

dependence

Question 8

Which of the following causes increased nervous system activity, including increased energy, talkativeness, and movement?

A) alcohol
B) opioids
C) psychostimulants
D) marijuana

Answer 8

C

Question 9

T/F: Atypical antipsychotics (second-generation antipsychotics) act on other receptors in addition to dopamine D2 receptors

Answer 9

true

Question 10

Which of the following depresses the nervous system and behavior, causing reduced anxiety and disinhibition?

A) hallucinogens
B) caffeine
C) alcohol
D) psychostimulants

Answer 10

C

Question 11

Gas and lipid neurotransmitters are retrograde transmitters, which means they signal information from

Answer 11

the postsynaptic neuron to the presynaptic neuron

Question 12

T/F: after synthesis, classical neurotransmitters are packaged into small synaptic vesicles

Answer 12

true

Question 13

_______ are G protein-coupled receptors

Answer 13

metabotropic receptors

Question 14

If a drug causes changes in the transmitter production, transmitter release, or transmitter clearance, these are considered

Answer 14

pre-synaptic effects

Question 15

T/F: second messengers are activated following an agonist binding to a metabotropic receptor

Answer 15

true

Question 16

Endogenous ligands for receptors are ______ and exogenous ligands are _______

Answer 16

neurotransmitters; drugs

Question 17

Which of the following is true about both tricyclic antidepressants and selective serotonin reuptake inhibitors (SSRIs)?

A) they both block the reuptake of serotonin and norepinephrine
B) they both prevent the enzymatic degradation of monoamines
C) they both block reuptake of serotonin

Answer 17

C

Question 18

Anxiolytic drugs have actions at

Answer 18

GABA receptors