PSYC2020: neuroanatomy Lecture 2: slides 1-15
Neuroanatomy Quiz: Glial Cells and Neurons
Test your knowledge on neuroanatomy with this engaging quiz focused on glial cells and neurons. Challenge yourself with questions covering various aspects of the nervous system, including the roles of different types of glial cells, sensory and motor neurons, and the implications of conditions like Multiple Sclerosis.
- Multiple choice, checkbox, and instruction-based questions
- Designed for students and enthusiasts of neuroanatomy
- Gain a deeper understanding of key concepts in neurobiology
What are the glial cells in the PNS called?
Schwann cells
Oligodendrocytes
Astrocytes
Microglia
Shwann cells are responsible for guiding axonal regeneration in the PNS. You find Oligodendrocytes in the CNS.
Shwann cells are responsible for guiding axonal regeneration in the PNS. You find Oligodendrocytes in the CNS.
Which glial cells are found in the CNS? (numerous answers)
Astrocytes
Oligodendrocytes
Schwann cells
Mircoglia cells
What is not a feature of the an astrocyte glial cell?
They are the largest type of glial cells
They provide structural integrity
Critical in creating and sustaining the blood brain barrier
Detect ph changes in the blood, which in turn encourages breathing
Important in responding to injury or disease
Which of the following are Microglia cells responisble for? (numerous answers)
Rapidly activating to stop pathogens
Eliminate excess neurotransmitters
Detect PH balance within the blood
Myelinate axons in the PNS
Between the mylenated olidendrocyte sheaths on an axon (exposed node of ranvier) astrocytes are present to assist in keeping pathogens out of the neuron.
True
False
(True) Astrocytes sitting on the exposed Node of Ranvier serve an important function of keeping pathogens out of the neuron. This is also how they can detect subtle differences in neuronal function and relay it to blood function.
(True) Astrocytes sitting on the exposed Node of Ranvier serve an important function of keeping pathogens out of the neuron. This is also how they can detect subtle differences in neuronal function and relay it to blood function.
What happens in Multiple Sclerosis?
Myelin sheaths become damaged (frayed) in the CNS
Astocytes don't protect the node
The pathway between substantia nigra and the Striatum becomes damaged
Myleinated sheaths mutate and cover the entire axon
In multiple sclerosis the communication down the axon becomes significantly impaired and becomes slower than neurotypical.
True
False
Multiple Sclerosis is supposedly more prevelant in...
Countries with more sun exposure
Countries with less sun exposure
When the myelin is frayed and communication down the axon is impaired what symptoms do we begin to observe? (numerous answers)
Blurred & double vision
Acute muscle fatigue
Numbness/ pins and needles in limbs
Impairment to co-ordination and balance
Impacts to short and long term memory
Forgetfullness & slow recall
Muscular spams
Lowered inhabitions.
Glial cells although extremely helpful can cause... (numerous answers)
Damage to myelin sheaths
Tumours (Gliomas)
Multiple Sclerosis
ALS
(True) hence the names gliomas, astrocytomas, schwannomas and oligodendrogliomas.
(True) hence the names gliomas, astrocytomas, schwannomas and oligodendrogliomas.
What is the function of a sensory neruron?
To bring information from receptors to the brain or spinal cord
To bring information from the brain to the spinal cord
To bring information from the brain or spinal cord to the muscles
To bring information from receptors to the spinal cord
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