Podcast
Questions and Answers
What is the primary function of dendrites in a neuron?
What is the primary function of dendrites in a neuron?
- Protect the neuron from damage
- Receive signals from other neurons (correct)
- Transmit signals to other neurons
- Conduct electrical impulses away from the cell body
What does the myelin sheath do for an axon?
What does the myelin sheath do for an axon?
- Stores neurotransmitters for later use
- Facilitates the conversion of signals from chemical to electrical
- Regulates ion concentration inside the neuron
- Insulates the axon and increases the speed of signal transmission (correct)
How do neurons primarily transmit information?
How do neurons primarily transmit information?
- Utilizing binary ‘on’ and ‘off’ signals (correct)
- By using chemical signals that only work in specific regions
- Through analog continuous signals
- By converting light signals into electrical signals
What characteristic of neurons allows them to maintain a resting state with a negative charge inside?
What characteristic of neurons allows them to maintain a resting state with a negative charge inside?
Which of the following is NOT a part of the basic anatomy of a neuron?
Which of the following is NOT a part of the basic anatomy of a neuron?
What characterizes a neuron during the polarized state?
What characterizes a neuron during the polarized state?
What happens during the depolarization phase of an action potential?
What happens during the depolarization phase of an action potential?
How does myelin affect the conduction of action potentials?
How does myelin affect the conduction of action potentials?
What is meant by the term 'all or none' in relation to action potentials?
What is meant by the term 'all or none' in relation to action potentials?
What does hyperpolarization refer to after an action potential?
What does hyperpolarization refer to after an action potential?
Which statement about neuron signaling is true?
Which statement about neuron signaling is true?
What occurs immediately after the action potential spikes?
What occurs immediately after the action potential spikes?
What role do ion channels play in the action potential of neurons?
What role do ion channels play in the action potential of neurons?
What is the primary way that neurons communicate with one another?
What is the primary way that neurons communicate with one another?
What determines the specificity of neurotransmitter binding to receptors?
What determines the specificity of neurotransmitter binding to receptors?
How can psychoactive drugs affect neurotransmission?
How can psychoactive drugs affect neurotransmission?
What process is responsible for ending the effect of neurotransmitters in the synapse?
What process is responsible for ending the effect of neurotransmitters in the synapse?
What is the role of the axon in neuron function?
What is the role of the axon in neuron function?
What characterizes the transmission speed of neurons?
What characterizes the transmission speed of neurons?
Which of the following neurotransmitters are associated with recreational drugs?
Which of the following neurotransmitters are associated with recreational drugs?
What is the structure of synaptic cleft?
What is the structure of synaptic cleft?
What effect do excitatory neurotransmitters have on the postsynaptic neuron?
What effect do excitatory neurotransmitters have on the postsynaptic neuron?
Which of the following best describes how neurons are characterized in terms of the information they convey?
Which of the following best describes how neurons are characterized in terms of the information they convey?
