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Nervous System: Structure and Function

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Questions and Answers

What is the primary function of the nervous system?

To protect the body from external damage
To control all the activities of the body (correct)
To regulate the body's temperature
To produce hormones and enzymes

What is the main difference between the central nervous system and the peripheral nervous system?

The CNS is located in the brain and spinal cord, while the PNS is located in the rest of the body (correct)
The CNS is responsible for regulating visceral functions, while the PNS is responsible for regulating skeletal muscle functions
The CNS is responsible for involuntary actions, while the PNS is responsible for voluntary actions
The CNS is faster than the PNS in responding to stimuli

What is the function of the somatic nervous system?

To control the body's movements by acting on skeletal muscles (correct)
To regulate visceral functions
To protect the body from external damage
To produce hormones and enzymes

What is the autonomic nervous system also known as?

Involuntary nervous system (C) Signup and view all the answers

How many divisions does the autonomic nervous system have?

Two (C) Signup and view all the answers

What is the main function of the peripheral nervous system?

To transmit motor impulses from the central nervous system to the peripheral effector organs (A) Signup and view all the answers

What is the structural and functional unit of the nervous system?

Neuron (A) Signup and view all the answers

What is the primary function of motor neurons?

To transmit motor impulses from the CNS to the peripheral effector organs (C) Signup and view all the answers

What is the space between the end of one neuron and the beginning of the next called?

Continuity without contact (B) Signup and view all the answers

What is the term for the classification of neurons based on the number of poles from which the nerve fibers arise?

Classification by number of poles (A) Signup and view all the answers