Podcast
Questions and Answers
Which neuronal structure is most analogous to the role of insulation around an electrical wire?
Which neuronal structure is most analogous to the role of insulation around an electrical wire?
- Dendrite
- Myelin sheath (correct)
- Node of Ranvier
- Axon terminal
If a drug impaired the function of the axon terminals, what would be the most likely result?
If a drug impaired the function of the axon terminals, what would be the most likely result?
- Increased speed of signal transmission along the axon
- Inability to receive signals from other neurons
- Disrupted communication between neurons (correct)
- Degradation of the myelin sheath
Which part of the neuron integrates incoming signals before transmitting them to other neurons?
Which part of the neuron integrates incoming signals before transmitting them to other neurons?
- Node of Ranvier
- Myelin Sheath
- Axon
- Cell body (correct)
What is the functional consequence of the gaps created by the Nodes of Ranvier?
What is the functional consequence of the gaps created by the Nodes of Ranvier?
A disease attacks the myelin sheath of neurons. What is the most likely effect on nerve impulse transmission?
A disease attacks the myelin sheath of neurons. What is the most likely effect on nerve impulse transmission?
Information is received from other cells by which component of a neuron?
Information is received from other cells by which component of a neuron?
Which of the following analogies best describes the function of a neuron's axon?
Which of the following analogies best describes the function of a neuron's axon?
What is the fundamental role of the neuron's nucleus?
What is the fundamental role of the neuron's nucleus?
If a neuron could no longer produce myelin, what direct effect would this have on its function?
If a neuron could no longer produce myelin, what direct effect would this have on its function?
Which of the following is the correct sequence of structures that a signal travels through in a neuron?
Which of the following is the correct sequence of structures that a signal travels through in a neuron?
Consider a neuron with a damaged cell body. What is the most likely consequence for the neuron?
Consider a neuron with a damaged cell body. What is the most likely consequence for the neuron?
How would increasing the number of Nodes of Ranvier along an axon affect nerve impulse transmission?
How would increasing the number of Nodes of Ranvier along an axon affect nerve impulse transmission?
The primary function of a neuron is to:
The primary function of a neuron is to:
Which cellular component is responsible for passing signals to other neurons?
Which cellular component is responsible for passing signals to other neurons?
Compared to a neuron with a small axon diameter, what characteristic would you expect in a neuron with a large axon diameter?
Compared to a neuron with a small axon diameter, what characteristic would you expect in a neuron with a large axon diameter?
A researcher discovers a new type of neuron that lacks dendrites. What is the most likely functional consequence?
A researcher discovers a new type of neuron that lacks dendrites. What is the most likely functional consequence?
Which of the following is true regarding the number of parts in a neuron?
Which of the following is true regarding the number of parts in a neuron?
What is the main function of the Neuron?
What is the main function of the Neuron?
Which of the following best describes the relationship between the cell body and the nucleus?
Which of the following best describes the relationship between the cell body and the nucleus?
Which of the following is most likely related to signal receiving?
Which of the following is most likely related to signal receiving?
Flashcards
Nucleus
Nucleus
The control center of the neuron, containing the cell's genetic material.
Axon
Axon
A long, slender projection of a nerve cell that conducts electrical impulses away from the cell body.
Myelin Sheath
Myelin Sheath
A fatty insulating layer around the axon of a neuron, that speeds up electrical signal transmission.
Axon Terminal
Axon Terminal
Signup and view all the flashcards
Node of Ranvier
Node of Ranvier
Signup and view all the flashcards
Cell Body
Cell Body
Signup and view all the flashcards
Dendrites
Dendrites
Signup and view all the flashcards
Neuron
Neuron
Signup and view all the flashcards
Study Notes
- Neuron transmits messages throughout the body.
- Neuron has 7 parts.
- Nucleus controls everything.
- Axon transfers signals.
- Myelin Sheath increases.
- Axon Terminal transfers messages to other neurons.
- Node of Ranvier exists as gaps in the myelin sheath.
- Cell body contains the nucleus.
- Dendrites receive information from other cells.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
