Podcast
Questions and Answers
What is a single neuron made of?
What is a single neuron made of?
A cell body, branching dendrites, a single axon, and presynaptic terminals
What is the main factor that determines the neuron resting membrane potential? (Select all that apply)
What is the main factor that determines the neuron resting membrane potential? (Select all that apply)
- Calcium
- Sodium
- Potassium (correct)
- Chloride
The density of leak potassium channels in the axon membrane is much higher than the density of voltage-gated sodium channels.
The density of leak potassium channels in the axon membrane is much higher than the density of voltage-gated sodium channels.
False (B)
What is the function of voltage-gated sodium channels?
What is the function of voltage-gated sodium channels?
One way the nervous system can communicate is by means of the frequency and pattern of action potentials.
One way the nervous system can communicate is by means of the frequency and pattern of action potentials.
What is the main excitatory neurotransmitter in the brain?
What is the main excitatory neurotransmitter in the brain?
Which of these is NOT a type of ionotropic glutamate receptor?
Which of these is NOT a type of ionotropic glutamate receptor?
What is the name of the process responsible for the strengthening of synapses?
What is the name of the process responsible for the strengthening of synapses?
A single action potential is enough to initiate an action potential in the next neuron.
A single action potential is enough to initiate an action potential in the next neuron.
GABA receptors are exclusively ionotropic.
GABA receptors are exclusively ionotropic.
What type of receptor is responsible for mediating the effects of second messengers?
What type of receptor is responsible for mediating the effects of second messengers?
Neuromodulators are directly involved in the fast flow of neural information.
Neuromodulators are directly involved in the fast flow of neural information.
What are the two brain regions involved in dopamine projections?
What are the two brain regions involved in dopamine projections?
Antidepressants typically affect dopamine and norepinephrine transmission.
Antidepressants typically affect dopamine and norepinephrine transmission.
Flashcards
Nervous System
Nervous System
A complex network of billions of neurons responsible for communication and control throughout the body.
Central Nervous System (CNS)
Central Nervous System (CNS)
The brain and spinal cord, central processing unit of the body.
Peripheral Nervous System (PNS)
Peripheral Nervous System (PNS)
The nerves branching out from the CNS to connect to the rest of the body.
Afferent Fibers
Afferent Fibers
Signup and view all the flashcards
Neuron
Neuron
Signup and view all the flashcards
Synapse
Synapse
Signup and view all the flashcards
Resting Membrane Potential
Resting Membrane Potential
Signup and view all the flashcards
Soma
Soma
Signup and view all the flashcards
Dendrites
Dendrites
Signup and view all the flashcards
Axon
Axon
Signup and view all the flashcards
Axon Terminals
Axon Terminals
Signup and view all the flashcards
Autonomic Fibers
Autonomic Fibers
Signup and view all the flashcards
Enteric Nervous System
Enteric Nervous System
Signup and view all the flashcards
Neurotransmitters
Neurotransmitters
Signup and view all the flashcards
Electrical properties of neurons
Electrical properties of neurons
Signup and view all the flashcards
Santiago Ramon y Cajal
Santiago Ramon y Cajal
Signup and view all the flashcards
Neural networks
Neural networks
Signup and view all the flashcards
Information processing
Information processing
Signup and view all the flashcards
Brain
Brain
Signup and view all the flashcards
Spinal cord
Spinal cord
Signup and view all the flashcards
100 billion neurons
100 billion neurons
Signup and view all the flashcards
