Podcast
Questions and Answers
What is the main function of nerve cells?
What is the main function of nerve cells?
- Secreting hormones
- Memory analysis and coordination
- Contraction of muscles
- Responding to stimuli and conducting impulses (correct)
Which part of a nerve cell is responsible for conducting signals or impulses?
Which part of a nerve cell is responsible for conducting signals or impulses?
- Node of Ranvier
- Cell body
- Axon (correct)
- Dendrite
What is the role of the Schwann sheath in a nerve cell?
What is the role of the Schwann sheath in a nerve cell?
- Forming a protective covering around the axon (correct)
- Conducting electrical impulses
- Initiating muscle contractions
- Producing neurotransmitters
Which part of a neuron contains the nucleus and organelles?
Which part of a neuron contains the nucleus and organelles?
What is the main function of supporting cells in the nervous system?
What is the main function of supporting cells in the nervous system?
What fibers of the Peripheral Nervous System receive sensory stimuli from the environment?
What fibers of the Peripheral Nervous System receive sensory stimuli from the environment?
Where are thermoreceptors primarily found?
Where are thermoreceptors primarily found?
Which type of neuron has its cell body located in the CNS?
Which type of neuron has its cell body located in the CNS?
What type of receptor is responsible for detecting mechanical forces like touches and hits?
What type of receptor is responsible for detecting mechanical forces like touches and hits?
Where are photoreceptors located in the body?
Where are photoreceptors located in the body?
Which type of neuron carries stimuli to the CNS?
Which type of neuron carries stimuli to the CNS?
Where are proprioceptors primarily located?
Where are proprioceptors primarily located?
What is the main function of ependymal cells in the CNS?
What is the main function of ependymal cells in the CNS?
Which type of glial cells form the blood-brain barrier in both the CNS and PNS?
Which type of glial cells form the blood-brain barrier in both the CNS and PNS?
What is the main role of Schwann cells in the PNS?
What is the main role of Schwann cells in the PNS?
What happens when a neuron is in a depolarized state?
What happens when a neuron is in a depolarized state?
In its relaxed state (polarized), what is the charge relationship between the inside and outside of a neuron?
In its relaxed state (polarized), what is the charge relationship between the inside and outside of a neuron?
What is the function of microglia in the CNS?
What is the function of microglia in the CNS?
