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Questions and Answers
Which part of the nervous system contains more than 100 billion neurons?
Which part of the nervous system contains more than 100 billion neurons?
- Central Nervous System
- Brain (correct)
- Subcortical Level
- Spinal Cord
What is the main function of sensory nerves?
What is the main function of sensory nerves?
- Carry information from the brain to the body (correct)
- Control GI movements
- Control urinary excretion
- Control local blood vessels
What is the role of synapses in the nervous system?
What is the role of synapses in the nervous system?
- Control local blood vessels
- Incoming signals enter through synapses (correct)
- Carry information from the brain to the body
- Control GI movements
What is the function of proprioception?
What is the function of proprioception?
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What is the modality of sensation?
What is the modality of sensation?
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Study Notes
Nervous System Structure
- The Central Nervous System (CNS) contains more than 100 billion neurons.
Sensory Nerves
- The main function of sensory nerves is to transmit information from the senses (such as sight, sound, touch, taste, and smell) to the CNS.
Synapses
- Synapses are the small gaps between neurons that allow them to communicate with each other.
- The role of synapses in the nervous system is to transmit signals from one neuron to another.
Proprioception
- Proprioception is the ability to sense the position and movement of one's body.
- The function of proprioception is to help maintain posture, balance, and coordination.
Sensation
- Modality of sensation refers to the type of sensation being detected, such as pressure, temperature, or pain.
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