WorksheetsNeuro Test Wk 1+2 (TEST 1)
Total questions: 42
Worksheet time: 22mins
The principal part of the neuron for receiving information
Soma
Axon
Dendrites
Axon Hillock
Nissan Bodies
White matter appears white because of?
Dendrites
Myelin
Nucleus
Neurotransmitters
Astrocytes
Nerves or peripheral nerves are bundles of ______.
Axons
Fibers
Dendrites
Myelin
Dendrites are found in gray matter
True
False
Based on function, there are three types of neurons. What are they?
Motor
Sensory
Neurotransmitters
Interneurons
Synaptic vesicles are most commonly located in the post synaptic density
True
False
A resting neuron is negative on the inside, this voltage is maintaned by which of the following?
By storing calcium intracellularly
By pumping sodium in
Keeping sodium on the outside
By keeping potassium on the outside
Opening all channels in the neurons membrane
Axons can form multiple synapses by splitting into smaller processes called ______.
Spines
Boutons
Clefts
Teledondria
Dendrites
The axons going to your deltoid would be?
Sensory nerve
Motor nerve
Motor tract
Receptor
Interneurons
Excitatory neurotransmitters after being released at a synapse _____ of/ the adjacent neuron.
Cause calcium to be released
Depolarize
Activate the initial segment
Close sodium channels
Hyperpolarize
Voltage gated sodium channels are found in high density within the membrane of ______.
Dendrites
Axon hillock
Presynpatic terminal
Vesicles
Cranial nerves are classified as part of the _______.
CNS
PNS
Both
Sensory receptors such as the neural retina are classified as?
CNS
PNS
Both
Synaptic vesicles are located where in a neuron?
Postsynaptic membrane
Teledondria
Axon terminal
Dendritic spines
Throughout the neuron
Nissle bodies or Nissl substance consist of?
Rough ER
Soma
Smooth ER
Dendrites
Axons can form multiple synapses by splitting into smaller processes called?
Dendrites
Boutons
Teledondria
Spines
clefts
Synaptic vesicles are located where in a neuron?
Soma
Axon terminal
Postsynaptic membrane
Teledondria
Throughout the neuron
The gap between two adjacent myelin segments along an axon is called __________.
hillock
Node
Sheath
Vesicle
What is involved in forming CSF?
Oligodendrocytes
Ependymal cells
Schwann cells
Astrocytes
Microglia
In the CNS there are the most of these type of neuraglia?
Ependymal cells
Neurons
Oligodendrocyte
Astrocytes
Schwann cells
Astrocytes are described as having the morphology of a starburst, the many extensions from their cell body are called?
Axons
Dendrites
Processes
Internodes
Oligodendrocytes differ from Schwann cells in that __________.
Oligodendrocytes are composed primarily of fat, whereas Schwann cells are composed primarily of protein
Oligodendrocyte serve as axon insulators, whereas Schwann cells act as conductors of current flow
Each Oligodendrocyte forms multiple myelin sheaths, whereas each Schwann cell forms only one myelin sheath
Oligodendrocytes occur in the PNS, whereas Schwann cells occur in the CNS
T/F: Myelination of an axon decreases the speed of transmission of information
True
False
Which of the following glial cell types is believed to be functionally related to marcophages?
Oligodendrocytes
Astrocytes
Microglia
Nuerons
Schwann cells
Neuroglia retain the ability to divide
True
False
Some synapses use the neurotransmitter glutamate, this excites adjacent neurons.
Prolonged exposure to glutamate causes excitotoxicity, which cells can help prevent this?
Astrocytes
Oligodendrocytes
Capillaries
Schwann Cells
Microglia
A patient with multiple sclerosis a demyelinating disorder, is losing myelin in her thalamus and cerebellum, which cells are being affected?
Meningeal cells
Schwann cells
Oligodendrocytes
Choroid plexus
Endothelial cells
Oligodendrocytes would be found myelinating the femoral nerve?
True
False
Neurons that brings sensory information into the spinal cord are structural classified as?
Multipolar
Bipolar
Anabolic
Pseudounipolar
If protein starts to accumulate in the brain, this could be due to a loss of function of?
Microglia
Schwann cells
Synaptic vesicles
Oligodendrocytes
Dendrites
Involved in creating the blood brain barrier
Oligodendrocytes
Schwann cells
Ependymal cells
Astrocytes
These neuroglia would be found located within dorsal root ganglia?
Satellite cells
Astrocytes
Microglia
Neurons
Cerebellar Purkinje cells (neurons) are classified as?
Mulitpolar
Unipolar
Pseudounipolar
Axons
The extracellular composition of important ions is maintained in part by?
Astrocytes
Microglia
Nodes
White matter
Neuroglia retain the ability to divide?
True
False
A cross section through the spinal cord in stained for glial markers, select the glia that were identified.
Astrocytes
Microglia
Oligodendrocytes
Ependymal cells
Satelite cells
Some ependymal cells have long processes that appear to project to and interact with neurons in the hypothalamus, these are called _____.
Macrophages
Tanocytes
Pinealocytes
Ganglia
Choroid plexus
A classification of a neuron that is characterized by having dendrites in the PNS, a soma in the PNS and an axon terminal in the CNS?
Pseudounipolar
Biopolar
Mulitpolar
Interneuron
Which of the following glial cell is able to move among neurons?
Astrocytes
Microglia
Satellite cells
Schwann cells
These neuroglia would be found located within dorsal root ganglia
Satellite cells
Oligodendrocytes
Teledondria
Astrocyte
This type of glial cell aids in the transfer of energy producing molecules from the blood stream to the neuron?
Astrocytes
Oligodendrocytes
Schwann Cells
Ependymal cells
involved in the BBB
Astrocytes
Schwa cells
Neurons
Ependymal cells
