WorksheetsNeuron A&P
Total questions: 13
Worksheet time: 21mins
What does this graph represent?
An action potential
Your concentration level
Neurotransmitter uptake
The number of ions in the neuron
The glial cells that form the myelin sheath for the CNS are called:
Oligodendrocytes
Astrocytes
Schwann Cells
Ependymocytes
The name of the chemicals that transmit information between neurons is...
Neuroinformers
Neurotransmitters
Neuroreceptors
Ions
What direction does the electrical signal travel through the neuron?
Dendrites, Axon, Axon Terminals
Axon terminals, Axon, & out of the dendrites
Any direction up or down the cell
When a cell is at rest, the inside is more _____ and the outside is more ______.
negative; positive
positive; negative
The operation of the sodium-potassium "pump" moves:
sodium & potassium ions into the cell
sodium & potassium ions out of the cell
sodium ions into the cell & potassium ions out of the cell
sodium ions out of the cell & potassium ions into the cell
What triggers an action potential in the post-synaptic neuron?
Calcium binding with a receptor site
Potassium leaking into the post-synaptic membrane
Neurotransmitter binding with receptor sites
Neurotransmitter being removed from the synapse
Neurotransmitters are released from the
Dendrites
Post-synaptic neuron
Presynaptic neuron
Schwann Cells
Acetylcholine, Dopamine, GABA, and Serotonin are all
Dendrites
Neurotransmitters
Endorphins
Neurons
Which ion is primarily responsible for the depolarization phase of an action potential?
Potassium
Sodium
Calcium
Chloride
What is the main function of myelin sheath in neurons?
To store neurotransmitters
To insulate the axon and speed up signal transmission
To provide nutrients to the neuron
To protect the neuron from pathogens
Which ion is primarily responsible for the repolarization phase of an action potential?
Potassium
Sodium
Calcium
Chloride
What is the role of astrocytes in the central nervous system?
To form the myelin sheath
To provide structural support and maintain the blood-brain barrier
To transmit electrical signals
To release neurotransmitters
