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Nervous System Functional Divisions Quiz

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Nervous System Functional Divisions Quiz

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Questions and Answers

What is the function of the somatic nervous system's motor nerves?

Transmits sensory information from receptors to the CNS

Integrates and processes sensory information

Carries signals from the CNS to the skeletal muscles for voluntary movements (correct)

Regulates digestive system functions

Which division of the nervous system is responsible for transmitting motor signals from the CNS to muscles and glands?

Enteric Nervous System (ENS)

Motor (Efferent) Division (correct)

Sensory (Afferent) Division

Integration Division

What is the main function of glial cells in the nervous system?

Providing structural support, nourishment, and insulation to neurons (correct)

Transmitting signals from sensory receptors to the CNS

Regulating digestive system functions

Carrying signals from the CNS to the skeletal muscles

What role do dendrites play in a neuron?

Increase the surface area available for connecting with axons of other neurons Signup and view all the answers

Which nervous system division carries signals from sensory receptors to the CNS?

Somatic Nervous System (SNS) Sensory nerves Signup and view all the answers

Which type of cell contains the nucleus, ribosomes, and mitochondria?

Soma Signup and view all the answers

What do oligodendrocytes specialize in?

Building the myelin sheaths Signup and view all the answers

Which cell type contributes to the saltatory conduction of nerve impulses?

Schwann cells Signup and view all the answers

What happens when an area of the axon membrane reaches its threshold of excitation?

Voltage-gated sodium channels open Signup and view all the answers

What is the main function of astrocytes in relation to blood flow?

Dilate blood vessels to bring more nutrients into some brain areas Signup and view all the answers