- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
10 Cards in this Set
- Front
- Back
|
What is the charge inside a resting neuron?
|
-70 mV
|
|
What are the three types of neurons?
|
sensory neurons, interneurons, and motor neurons
|
|
What are the two types of transmitter chemicals?
|
excitatory and inhibitory
|
|
Define Summation.
|
The sum effect of all neurotransmitters acting on a neuron.
|
|
What is the state of a neuron when an inhibitory chemical causes K+ to leak out of a cell?
|
hyperpolarized
|
|
Describe the all-or-none-response.
|
A nerve or muscle fibre responds completely or not at all to a stimulus.
|
|
Which is the difference between presynaptic neurons and postsynaptic neurons?
|
Presynaptic neurons are before the synaptic cleft, postsynaptic neurons are after it.
|
|
Define refractory period.
|
The recovery timer required before a neuron can produce another action potential.
|
|
What is included in the central nervous system?
|
The brain and spinal cord.
|
|
What is the function of nodes of Ranvier?
|
They speed up transmission of an impulse.
|
