Which of the Following Is True of the Refractory Period

All paper formats APA MLA Harvard ChicagoTurabian. Potassium channel activation is reposnsible for relative refractory period.

The Refractory Period Is When It Is Difficult To Restimulate A Region Of A Neuron During An Action Potential And Refractory Period Science Stickers Physiology

During the relative refactory period only a very strong stimulus will lead to a action potential.

. A The absolute refractory period refers to the period of time during which another action potential cannot be initiated in that part of the membrane that has just undergone an action potential no matter how great the strength of the stimulus B The relative refractory period. The molecular basis of the absolute refractory period is described by the ball-and-chain model. Which of the following statements about the refractory period of a membrane is true.

Academic Writing Uncategorized Which of the following is NOT true of the absolute refractory period60. Soidum channel activation is responsibke for the absolute refractory period. Asked Sep 2 2019 in Anatomy Physiology by kittygurl221.

B The absolute refractory period is the time during which another stimulus given to the cell no matter how strong will not lead to a second action potential. During The Relative Refactory Period Only A Very Strong Stimulus Will Lead To A Action Potential. No stimulus of any strength will trigger a new action potential.

I predicted that wave summation would occur after delivering multiple stimuli because of previous experiments. Na channel inactivation is responsible for the absolute refractory period. Soidum Channel Activation Is Responsibke For The Absolute Refractory Period 3.

Which of the following are true about absolute refractory period. While both systems maintain homeostasis how does the nervous system differ from the endocrine system. Voltage gated sodium channels are closed E.

Click hereto get an answer to your question State whether the following statements are true or falseDuring the refractory period between ventricular contraction and atrial contraction the heart is. Soidum channel activation is responsibke for the absolute refractory period3. What is the purpose of the refractory period.

Voltage gated sodium channels are inactivated Which of the following are true about relative refractory period. The absolute refractory period refers to the period of time during which another action potential connot be initiated in that part of the membrane that has just undergone an action potential no matter how great the strength of the stimulus. C The absolute refractory period refers to that time during which a stronger stimulus will lead to the.

Which of the following is true about the relative refractory period. Which of the following statements about the refractory period of a membrane is true. A it establishes the maximum frequency with which a nerve cell can conduct action potentials b it does not end until the NaK pump has restored the ions to their original summate c two of the above are correct d a b and c are correct.

By definition the refractory period is a period of time during which a cell is incapable of repeating an action potential. Like skeletal muscle cells cardiac muscle cells have an absolute refractory period prior to repolarization. A Na channel inactivation is responsible for the absolute refractory period.

During the relative refactory period only a very strong stimulus will lead to a action potential. Which of the following is NOT true of the absolute refractory period60. Ligand gated sodium channels are closed C.

Neurons action potential firing machines Multiple action potentials do not occur in the same neuron at exactly the same time. Ligand gated sodium channels are open B. The absolute refractory period is due the closing of the activation gate of voltage gated sodium channels at the peak of the AP.

In skeletal muscle cells the absolute refractory period lasts about as long as the twitch. In terms of action potentials it refers to the amount of time it takes for an excitable membrane to be ready to respond to a second stimulus once it returns to a resting state. The refractory period is.

Cardiac muscle cannot undergo tetanus because its absolute refractory period lasts almost as long as the muscle twitch. Which of the following is TRUE of the absolute refractory period. D The absolute refractory period precedes the relative refractory period.

Which of the following is NOT true about the refractory period. C The absolute refractory period takes about 5 ms. The absolute refractory period lasts for approximately one millisecond.

Potassium channel activation is reposnsible for relative refractory period. Voltage gated sodium channels are open D. A It is thought that the refractory period is caused by the hyperpolarization phase of the action potential.

The absolute refractory period ARP is the time period from when the action potential was initiated to the time after the peak was reached. This type of response is a physiological refractory period meaning a person is physically unable to have sex again. In nerve cells the absolute refractory period coincides with the period of increased K permeability.

In typical neurons the absolute refractory period takes about 5 ms. Potassium Channel Activation Is Reposnsible For Relative Refractory Period. During the refractory period a male cannot get an erection.

During the absolute refractory period which of the following is true. This helps prevent the heart from cramping or seizing because. Another action potential can be started but only if the graded potential is stronger than normal.

The relative refractory period is due to the closing of the activation gate of voltage gated potassium channels during the overshoot phase of the AP. B The refractory period is important in preventing the overlap of succeeding action potential. Which of the following are true about the relative refractory period select all that apply.

The relative refractory period takes approximately two milliseconds. This time interval is when a new nerve impulse action potential cannot be propagated regardless of the presence of a strong stimulus because the sodium channels are inactivated and have not yet recovered. The relative refractory period in neuronal membranes lasts about the same length of time as the absolute refractory period in cardiac muscle cell membranes.

It occurs during the hyperpolarization phase of the action potential. Neither wave summation or tetanus are possible in cardiac muscle tissue because cardiac cells have longer action potentials and a very long refractory period compared to other cells.

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