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NR 509 NeuroScience Exam Questions and Answers |100% Correct| Latest Version!!
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NR 509 NeuroScience Exam Questions and Answers |100% Correct| Latest Version!! What is the primary function of the central nervous system? The primary function of the central nervous system is to process and transmit information throughout the body, coordinating activities and responses. ...

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  • October 13, 2024
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  • 2024/2025
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NR 509 NeuroScience Exam Questions
and Answers |100% Correct| Latest
Version!!
What is the primary function of the central nervous system?

The primary function of the central nervous system is to process and transmit information

throughout the body, coordinating activities and responses.



Describe the role of neurotransmitters in the nervous system.

Neurotransmitters are chemical messengers that transmit signals across synapses between

neurons, influencing various physiological and psychological processes.



What are the main components of the peripheral nervous system?

The main components of the peripheral nervous system include the somatic nervous system

and the autonomic nervous system, which together connect the CNS to the rest of the body.



Explain the difference between the sympathetic and parasympathetic nervous systems.

The sympathetic nervous system prepares the body for "fight or flight" responses, while the

parasympathetic nervous system promotes "rest and digest" functions, balancing the body's

response to stress.



What is the blood-brain barrier, and why is it important?



1

, The blood-brain barrier is a selective permeability barrier that protects the brain from

harmful substances while allowing necessary nutrients to pass through, maintaining neural

homeostasis.



How do glial cells support neurons in the nervous system?

Glial cells support neurons by providing structural support, insulation, and nutrients, as well

as facilitating communication and protecting against pathogens.



What role do dendrites play in neuronal function?

Dendrites receive signals from other neurons and transmit electrical impulses toward the cell

body, playing a critical role in neuronal communication.



What is neuroplasticity, and why is it significant?

Neuroplasticity is the ability of the nervous system to adapt and reorganize itself by forming

new neural connections, which is significant for learning, memory, and recovery from injury.



Describe the process of action potential generation in neurons.

Action potential generation involves the rapid depolarization of the neuron's membrane when

it reaches a threshold, followed by repolarization and hyperpolarization, allowing for the

propagation of electrical signals.



What are the primary functions of the cerebellum?



2

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