16 Questions
Which division of the peripheral nervous system carries information from sensors to the CNS?
Afferent division
What is the function of the efferent division of the peripheral nervous system?
Transmit instructions from the CNS to effector organs
Which component of the autonomic nervous system innervates smooth muscle, cardiac muscle, and glands?
Sympathetic nervous system
What is the function of the somatic nervous system?
Supply skeletal muscles
Which part of the nervous system provides status reports on internal activities regulated by the nervous system?
Afferent division
What does the autonomic nervous system innervate besides smooth muscle and glands?
Brown adipose tissues and immune organs
What is the role of the afferent neuron in the nervous system?
Generate action potential in response to a specific stimulus
Where do the cell bodies of efferent neurons originate?
In the CNS
What is the primary role of interneurons in the nervous system?
Serve as an integration point between afferent and efferent neurons
Which class of neurons is responsible for influencing the movement of cardiac muscle (heart)?
Efferent neurons
Where do interneurons lie within the nervous system?
Entirely within the CNS
What is the communication link by which the CNS controls the activities of muscles, glands, and blood vessels?
Efferent division
Which class of neurons makes up the afferent division of the peripheral nervous system?
Afferent neurons
What do efferent axons leave the CNS to innervate?
Effector organs
Which type of gland is influenced by efferent output for initiation of sweating on exposure to a hot environment?
Exocrine gland (sweat gland)
What is responsible for increased secretion of insulin, a hormone that puts excess nutrients in storage following a meal?
Pancreas (endocrine gland)
Test your knowledge of the functional classification of the vertebrate nervous system, including the central nervous system (CNS) and peripheral nervous system (PNS), along with its sub-divisions. Explore the organization and functions of the brain, spinal cord, and nerve fibers in carrying information throughout the body.
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