30 Questions
What are the four core principles of electrical signals within cells?
Depolarization, hyperpolarization, action potential, and resting potential
Which type of synapse is specialized in location, structure, function, and target in the nervous system?
Tripartite synapse (Anterograde)
Which of the following is NOT a variety of neurotransmitter?
Nitrogen transmitters
What are the two main types of receptors involved in chemical synapses?
Ionotropic receptors and metabotropic receptors
Which type of transmitter acts by binding to a receptor and directly opening an ion channel?
Small-molecule transmitter
What are the four core principles of electrical signals within cells?
Transmitter synthesis, vesicular transport, release, and receptor interaction
Which neurotransmitter is known as the main excitatory transmitter?
Glutamate
Which enzyme is responsible for the breakdown of acetylcholine?
Acetylcholinesterase
What is the rate-limiting enzyme in dopamine synthesis?
Tyrosine hydroxylase
Which neurotransmitter is synthesized from tyrosine and is a non-essential amino acid present in cheese and milk?
Dopamine
Which class of neurotransmitters acts quickly and is synthesized from dietary nutrients?
Small-molecule transmitters
What is the main inhibitory neurotransmitter in the central nervous system?
GABA
Which class of neurotransmitters acts slowly, are synthesized through translation of mRNA, and are not replaced quickly?
Peptide transmitters
What is the term used for neurons that transit via acetylcholine?
Cholinergic
What is the term used for the set of electrodes small enough to place on or in an axon?
Microelectrodes
What device serves as a sensitive voltmeter and is used to record voltage changes on an axon?
Oscilloscope
What is the main inhibitory neurotransmitter in the central nervous system?
Gamma-aminobutyric acid (GABA)
Which type of neurotransmitter is synthesized from tyrosine and is known as the 'feel-good' neurotransmitter?
Dopamine
Which enzyme is responsible for the breakdown of serotonin?
Monoamine oxidase (MAO)
What is the term used for neurons that transit via dopamine and are associated with reward and pleasure?
Mesolimbic pathway neurons
What is the term for the electrical charge across the cell membrane in the absence of stimulation?
Resting potential
What is responsible for increasing the electrical charge across a membrane, making it more negative?
Hyperpolarization
What is the main inhibitory neurotransmitter in the central nervous system?
GABA (gamma-aminobutyric acid)
Which ion contributes to the decrease in electrical charge across a membrane, making it more positive?
Sodium (Na+)
What enzyme is responsible for the breakdown of acetylcholine?
Acetylcholinesterase
Which neurotransmitter is known as the main excitatory transmitter?
Glutamate
Which neurotransmitter is synthesized from tyrosine and is known as the 'feel-good' neurotransmitter?
Dopamine
What device serves as a sensitive voltmeter and is used to record voltage changes on an axon?
Electrode
What are positively charged ions that can include sodium (Na+) and potassium (K+)?
Cations
What movement of ions involves their diffusion from an area of higher concentration to an area of lower concentration through random motion?
Simple diffusion
Test your understanding of electrical and chemical signals involved in nerve cell communication, including the different types of synapses, neurotransmitters, and receptors. This quiz covers materials from Chapter 4 and 5-1 of 'Introduction to Brain and Behavior' by Bryan Kolb, Ian Q. Whishaw, and G. Campbell Teskey.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
