Central nervous system
Master Your Knowledge of the Central Nervous System
Test your understanding of the intricate workings of the central nervous system with our comprehensive quiz! Explore various aspects of the cerebral cortex, meninges, cerebellum, and more.
- 17 detailed questions
- Multiple choice format for a comprehensive challenge
- Ideal for students, teachers, and anyone interested in neuroscience
What is part of the cerebral cortex? / Choose layers of cerebral cortex:
External pyramidal
Multiform
External granular
Molecular
Internal pyramidal
Internal granular
Polymorphic or multiform
Cerebral cortex:
Molecular layer is most superficial layer
Molecular layer is covered by dura mater
In brain is located at the periphery
The multiform layer contains cells of various shapes
Its so called neocortex
It is present at the surface of the brain
It is organized in six layers of neurons
Few pyramid-shaped neurons can be found
Has no glial cells
Molecular layer is covered by pia mater
What is true about Meninges?
Pia Mater reabsorbs cerebrospinal fluid
Subarachnoid space is filled with cerebrospinal fluid
Dura mater is composed of dense connective tissue
Blood vessels penetrate the CNS through tunnels covered by Pia Mater
Arachnoid is linked with Dura mater by CT trabeculae
Dura mater is separated from the arachnoid by subdural space
Which elements form the blood-brain barrier?
Continuous capillaries
Foot-like processes of astrocytes
Endothelial cells with tight junctions
Endothelial cells without fenestrations
Schwann cells
Endothelial cells with fenestrations
Basal membrane
Basement membrane
Processes of oligodendrocytes
What is true about blood Brain barrier? (BBB)
O2, CO2 can cross the blood brain barrier
Antibiotics, O2, H2O, Erythrocytes cannot cross the BBB (they can)
Is composed of endothelial cells with thight junctions
Conists of Endothelial cells with fenestrations and Basal membrane
Contains Perivascular Glia membrane
Endothelial cells with fenestrations
Endothelial cells without fenestrations
Process of oligodendrocytes
What is true about the cerebral cortex?
Outer layer is molecular
Has three germ layers
Inner layer is called granular layer
Central layer contains Purkinje cells (middle layer)
Cerebral cortex is made up by?
Horizontal cells and neuroglial cells in molecular part
Pyramidal
Gray matter at periphery of cerebral hemispheres which is folded to increase the surface
Blood vessels
What is true about Cerebrospinal fluid?
Brings nutrients to brain cells
Is produced by choroid plexus
Filles ventricles of the brain
Is produced by arachnoid granulations
Is present in subarachnoid space
Protects against mechanical shock
Present in the perivascular space
Reabsorbed by arachnoid granules
Fills central canal of the spinal cord
What is true about Choroid Plexus?
Contains loose connective tissue
Produce cerebrospinal fluid
Is located in the ventricles of the brain (lateral/third/fourth)
Contains fenestrated capillaries
Reabsorbs cerebrospinal fluid
Contains ependymal cells
Contains cuboidal/columnar ion transporting cells
Is a part of dura mater
Well vascularised
Is a part of pia matter
What is true about the spinal cord?
Anterior horn contains multipolar nerurons
Anterior horn are containing motor neurons
Gray Matter is inside
Posterior horns are sensory
In spinal cord gray matter is located centrally, white peripherally
The central canal is lined with oligodendrocytes
There are no neurons in posterior horns
The central canal is lined with ependymal cells
White matter consists mainly of nerve fibers with myelin sheath
No glial cells in white matter
Is a part of PNS
White matter is covered by gray matter
Its white matter contains mainly very small neurons
What elements are present in white matter?
Lemmocytes
Dendrites
Neuron cell bodies
Ependymocyte
Fibrous astrocytes
Myelinated axons
Microglia
Oligodendrocytes
Capillaries
Initial segments of axons
Regarded as Grey matter are:
Initial segment of Axons (unmyelinated)
Neuron bodies
Fibrous astrocytes
Dendrites
Microglia
What is true about the cerebellum?
Has six layers
Have three layers
Includes multiform cell layer
Basket cells can be found in molecular layer
Outer layer is molecular
Central layer contains large Purkinje cells
Inner layer is called granular layer
Includes pyramidal cell layer
Molecular layer of cerebellum is formed Purkinje cells
Central layer of cerebellum is also called molecular layer
Find correct sentences about meninges
Pia mater reabsorbes cerebrospinal fluid
Dura mater is separated from the arachnoid by subdural space
Dura mater is composed of dense connective tissue
Subarachnoid space is filled with cerebrospinal fluid
Blood vessels penetrate the CNS through tunnels covered by pia mater
Arachnoid is linked with dura mater by connective tissue
Arachnoid is linked with Dura mater by CT trabeculae
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