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Why is the amplitude of the compound action potential recorded from the frog sciatic nerve increased when the voltage of the stimulus was increased above the threshold value?
Increasing the stimulus voltage above the threshold value results in recruiting more nerve fibers to generate action potentials. This leads to a greater number of action potentials being generated simultaneously along the nerve, resulting in a larger compound action potential amplitude being recorded.
What is the difference between a compound action potential and a single action potential?
Single action potentials follow the "all or none" rule. That is, if a stimulus is strong enough to depolarize the membrane of the neuron to threshold (~55mV), then an action potential will be fired. Each stimulus that reaches threshold will produce an action potential that is equal in magnitude to every other action potential for the neuron. Compound action potentials do not exhibit this property since they are a bundle of neurons and have different magnitudes of AP's. Thus compound action potentials are graded. That is, the greater the stimulus, the greater the action potential.
Does strong stimuli cause the strength of action potentials to increase?
No, it doesn't become "larger" - the peak potential is always the same - it is a digital signal. Stronger stimulus will cause the nerve cell to fire more often - therefore stimulus strength is translated as action potential frequency.
What wave with smaller amplitude the wave with lager amplitude?
A wave with smaller amplitude will have fewer particles experiencing maximum displacement compared to a wave with larger amplitude. This means that the smaller amplitude wave will have less energy and a lower intensity than the wave with larger amplitude.
Why sound wave with a large amplitude is more likely to damage your hearing than one with a small amplitude.?
Because a larger amplitude the louder the sound therefore the sound with the larger amplitude is more likely to damage your hearing.
Can waves with larger amplitude carry more energy?
Yes, waves with larger amplitude carry more energy. The energy of a wave is directly proportional to the square of its amplitude. A higher amplitude means more energy is being transferred by the wave.
What is the amplitude of an X ray?
There is no specific amplitude for each type of wave. You should consider the amplitude to be the loudness of the wave for example the louder the sound the larger the amplitude.
What happens to the volume of sound as the amplitude get larger?
The greater the amplitude of a sound wave the louder the sound.
What relationship exists between the amplitude of a wave and amount of disturbance the water?
The amplitude of a wave is directly related to the amount of disturbance in the water. A wave with a larger amplitude represents a larger disturbance in the water, while a wave with a smaller amplitude represents a smaller disturbance.
When using a rope to make waves do you make a larger amplitude or smaller amplitude?
To create larger waves when using a rope, you will need to make a larger amplitude. By moving your hand or shaking the rope with larger excursions, you can generate bigger waves. Conversely, smaller amplitudes would result in smaller waves.
If a band is playing loudly will the amplitude of the sound waves be small or large?
The amplitude of the sound waves will be largerbecause the larger the amplitude the louderthe sound.
What is the difference between generator potential and action potential in terms of their roles in the nervous system?
Generator potential is a small electrical signal that occurs in response to a stimulus, while action potential is a larger electrical signal that is responsible for transmitting signals along the nerve cell. Generator potential initiates the process of creating an action potential, which then allows for the transmission of signals within the nervous system.
