Science | Senioritis

Mohamed Abbas
July 4, 2023
Biophysics

The Role of Sodium Ions in Neuronal Depolarization and Action Potential Initiation

Let’s form some intuition about how an action potential propagates. If one point along the axon is stimulated such that an action potential is initiated, what ion...

Mohamed Abbas
July 4, 2023
Biophysics

Understanding the Propagation of Action Potentials: How Ions Flow and Membrane Potential Changes

As these ions flow into the axon, this section of the membrane becomes depolarized. In adjacent parts of the membrane, how will the membrane potential change? When...

Mohamed Abbas
July 4, 2023
Biophysics

Understanding Action Potential Propagation: The Rapid Transmission of Electrical Signals Along Cell Membranes

True or False: An action potential in one section of the membrane can cause the initiation of an action potential in adjacent sections of the membrane True...

Mohamed Abbas
July 4, 2023
Biophysics

Understanding Oscilloscope Readings: Analyzing Electrical Waveforms Produced by a Stimulation Device

What will we see on the oscilloscope when you activate the stimulator? When you activate the stimulator and observe it on the oscilloscope, you will typically see...

Mohamed Abbas
July 4, 2023
Biophysics

Understanding the Phases of the Action Potential Waveform: A Comprehensive Analysis of Voltage Changes during Cell Membrane Activation

What will a plot of action potential voltage versus distance look like? A plot of action potential voltage versus distance typically follows a specific pattern, known as...

Mohamed Abbas
July 4, 2023
Biophysics

Optimizing Action Potential Propagation in Long Axons: Insights into Axon Length and Adaptations for Efficient Transmission

True or false?: the limitations of action potential propagation keep axons from being more than a few mm long. False False. The limitations of action potential propagation...

Mohamed Abbas
July 4, 2023
Biophysics

Understanding Spatial Summation: Explaining a Phenomenon in Science

A researcher stimulates an axon at two locations and measures the membrane voltage at a location in the middle of the stimulation sites. They observe little change...

Mohamed Abbas
July 4, 2023
Biophysics

Factors Affecting the Speed of Action Potential: Membrane Resistance, Membrane Capacitance, and Influential Factors

What did you find? How do these two parameters need to change in order to speed up the action potential? In order to answer your question, it...