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Central Nervous System Quiz

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Questions and Answers

What is the main responsibility of the Central Nervous System (CNS)?

Regulating heart rate and blood pressure

Generating energy for the body

Producing red blood cells

Controlling and coordinating all organ systems (correct)

Which part of the brain is responsible for controlling posture, balance, and coordination?

Cerebellum (correct)

Brain Stem

Brian Stem

Cerebrum

What is the function of the Peripheral Nervous System (PNS)?

Regulates heart rate and blood pressure

Controls activity and thought

Produces energy for the body

Connects the CNS to organs and limbs (correct)

Which division of the PNS carries motor and sensory signals between the spinal cord and body?

Spinal Nerves Signup and view all the answers

When is the Sympathetic Nervous System (NS) typically activated?

In dynamic roles or stress Signup and view all the answers

What is the basic unit of the nervous system called?

Neuron Signup and view all the answers

What is the role of dendrites in a neuron?

Carry impulses towards the cell body Signup and view all the answers

Which part of the brain is responsible for voluntary control of the body?

Frontal lobe Signup and view all the answers

What happens during shivering in terms of heat generation and body temperature?

Heat is retained and body temperature rises Signup and view all the answers

Which part of the neuron carries impulses away from the cell body?

Axon Signup and view all the answers

What is the primary function of the autonomic nervous system?

Involuntary control and movement of the body Signup and view all the answers

What happens to the brain as one ages?

It shrinks by 1-2 grams every year due to neuron loss Signup and view all the answers