10 Questions
Which response is characteristic of the sympathetic nervous system?
Increased motility
Which neurotransmitter is released by postganglionic axons of the sympathetic nervous system?
Norepinephrine
Which of the following is a characteristic of the sympathetic nervous system's response?
Constrict blood vessels
What neurotransmitter is released by the preganglionic axons of the sympathetic nervous system?
Acetylcholine
Where are the nerve cell bodies located in the sympathetic nervous system?
Within the effector organs
What effect does the release of norepinephrine by postganglionic axons of the sympathetic nervous system have on target organs?
Promotes calming and relaxation
Which type of neurons conduct impulses away from the brain and spinal cord?
Motor neurons
What is the function of Schwann cells in the peripheral nervous system?
Forming myelin sheaths on axons
Which type of glial cells form myelin sheath on axons in the central nervous system?
Oligodendrocytes
What is the function of nodes of Ranvier in nerve conduction?
Facilitating saltatory conduction in myelinated axons
This quiz covers the main functions of the nervous system, including responding to changes in the environment, transmitting impulses, and maintaining homeostasis, as well as the functions of different lobes of the brain such as the occipital, parietal, frontal, and temporal lobes.
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