Podcast
Questions and Answers
Which part of the nervous system consists of the brain and spinal cord?
Which part of the nervous system consists of the brain and spinal cord?
- Central nervous system (CNS) (correct)
- Autonomic nervous system
- Peripheral nervous system (PNS)
- Enteric nervous system
What are the nerves that transmit signals from the body to the central nervous system called?
What are the nerves that transmit signals from the body to the central nervous system called?
- Motor nerves or efferent nerves
- Sensory nerves or afferent nerves (correct)
- Mixed nerves
- Sympathetic nerves
When did nervous tissue first arise in wormlike organisms?
When did nervous tissue first arise in wormlike organisms?
- About 1 billion years ago
- About 550 to 600 million years ago (correct)
- About 100 million years ago
- About 200 million years ago
Which subsystem of the peripheral nervous system mediates voluntary movement?
Which subsystem of the peripheral nervous system mediates voluntary movement?
Which type of nerves serve both functions of transmitting signals from the body to the CNS and from the CNS to the body?
Which type of nerves serve both functions of transmitting signals from the body to the CNS and from the CNS to the body?
What is the further subdivision of the autonomic nervous system that is responsible for rest and digest functions?
What is the further subdivision of the autonomic nervous system that is responsible for rest and digest functions?
What is the main function of the sympathetic nervous system?
What is the main function of the sympathetic nervous system?
Which type of cells provide structural and metabolic support in the nervous system?
Which type of cells provide structural and metabolic support in the nervous system?
What is the role of the enteric nervous system?
What is the role of the enteric nervous system?
Which type of organisms have no nervous system at all?
Which type of organisms have no nervous system at all?
What is the primary function of the parasympathetic nervous system?
What is the primary function of the parasympathetic nervous system?
What is the purpose of cranial nerves?
What is the purpose of cranial nerves?
What is the function of axons in neurons?
What is the function of axons in neurons?
What do glial cells provide in the nervous system?
What do glial cells provide in the nervous system?
Which animals have a nervous system consisting of a diffuse nerve net?
Which animals have a nervous system consisting of a diffuse nerve net?
What is the role of the central nervous system?
What is the role of the central nervous system?
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