24 Questions
Which of the following tissues completely surrounds the brain and spinal cord?
Meninges
What is the potential space between the dura and arachnoid mater called?
Subdural space
What is the function of the epidural space?
To allow nerves to pass through
Which of the following is NOT a function of the dura mater?
To produce cerebrospinal fluid
What is the purpose of the tentorium cerebelli?
To separate the cerebrum and cerebellum
What is the arachnoid mater separated from the pia mater by?
Subarachnoid space
What is the pia mater adhered to?
Brain
What is the extension of the inner layer of dura mater that fuses with the periosteum of coccyx?
Spinal dura mater
What is the main function of the perineurium?
To surround and protect each individual nerve fiber
What term is used to describe groups of cell bodies in the central nervous system?
Nuclei
Which component of the reflex arc is responsible for analyzing sensory impulses?
Reflex center
Which term refers to the space between two neurons where the nerve impulse is transmitted?
Synaptic cleft
Which component is responsible for carrying sensory impulses towards the central nervous system?
Afferent neuron
What is the role of neurotransmitters in the nervous system?
To transmit nerve impulses across the synaptic cleft
Which structure is not directly involved in the reflex arc?
Synapse
What is the function of the epineurium?
To enclose and protect bundles of nerve fibers
What is the primary role of dendrites in a neuron?
To carry impulses towards the cell body
Which structure in the cell body is responsible for the production of ribosomes?
Nucleolus
What are Nissl bodies composed of?
Ribonucleic proteins and iron
Which substance is notably absent in the structure of an axon?
Nissl bodies
Which feature is unique to the cell body in neurons?
Presence of Nissl bodies
What is the approximate maximum length of an axon?
100 cm
What role do Nissl bodies play in nerve impulse conduction?
Accelerating metabolic activity by releasing iron
What does the centrosome in a neuron's cell body do?
Forms microtubules
Explore the structure and function of the nervous system, including neurons, nerve tracts, and the ventricular system of the brain.
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