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Nervous System Structure and Histology Quiz

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Nervous System Structure and Histology Quiz

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Questions and Answers

What is the main function of neurons in the nervous system?

Providing nutrients and oxygen to neurons

Regulating glandular secretions

Maintaining homeostasis of fluid nourishing neurons

Producing action potentials in response to stimuli (correct)

Which part of the nervous system does the vagus nerve not innervate according to the text?

Ganglia outside CNS

Brain

Spinal cord

Head (correct)

What is the main role of neuroglia in the nervous system?

Creating action potentials in neurons

Holding neurons in place (correct)

Regulating muscle activity

Sensing stimuli

How many pairs of spinal nerves are there in the nervous system?

31 (D) Signup and view all the answers

Which part of the nervous system controls all the activities of the body and serves as the source for thoughts, emotions, and memories?

Central Nervous System (CNS) (A) Signup and view all the answers

Which type of neurons convey information from somatic receptors to the CNS and from CNS to skeletal muscles in a voluntary manner?

Sensory and motor neurons of the Somatic Nervous System (SNS) (B) Signup and view all the answers

What is the main function of the motor part of the Autonomic Nervous System (ANS)?

Control smooth muscles, cardiac muscles, and glands involuntarily (C) Signup and view all the answers

Which branch of the Autonomic Nervous System (ANS) decreases heart rate?

Parasympathetic nervous system (A) Signup and view all the answers

What is the main supply area of the Enteric Nervous System (ENS)?

Gastrointestinal tract (D) Signup and view all the answers

Which part of the Vertebrate Nervous System includes sympathetic and parasympathetic divisions with opposing actions?

Autonomic Nervous System (ANS) (D) Signup and view all the answers