Which of the Following Is True of the Refractory Period

No stimulus of any strength will trigger a new action potential. Biology questions and answers.


Modeling Action Potentials Theory Medical School Studying Medical Knowledge Human Anatomy And Physiology

What does the absolute refractory period of small-diameter axons enable.

. During the absolute refractory period which of the following is true. E All of the above are true about. A during the absolute refractory period no stimulus can produce an action potential.

Pages 10 Ratings 100 1 1. The cardiac action potential is. Stimulation of neuron X causes the postsynaptic neuron to depolarize by 05 mV When X and Y are stimulated.

It occurs during the hyperpolarization phase of the action potential. B The refractory period is important in preventing the overlap of succeeding action potential. 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.

Between 10 and 1000 per second. Another action potential can be started but only if the graded potential is stronger than normal. Which of the following statements regarding the.

Pages 12 This preview shows page 9 - 11 out of 12 pages. A psychological refractory period refers to interludes after an emotional trauma in which the individual is not capable of responding to additional traumas. A It is thought that the refractory period is caused by the hyperpolarization phase of the action potential.

Course Title AMH 2000. C The absolute refractory period refers to that time during which a stronger stimulus will lead to the. The simultaneous stimulation of X and Y is an example of what.

During the refractory period a male cannot get an erection. Which of the following is true regarding the absolute refractory period A The. Investigating the Refractory Period of Cardiac Muscle Name.

In general the term can be used to refer to any period of time that must pass before it is possible to repeat a given action or function. The absolute refractory period lasts for approximately one millisecond. The relative refractory period takes approximately two milliseconds.

Which of the following statements regarding the refractory period is true. A Na channel inactivation is responsible for the absolute refractory period. Which of the following is true about the relative refractory period.

Which of the following is TRUE of the absolute refractory period. The refractory period being the relative refractory period is that period in which no other stimulus can induce the action potential it precedes. Under normal body conditions what is the maximum frequency of nerve impulses in different axons.

D The absolute refractory period precedes the relative refractory period. D The molecular basis of the absolute refractory period is described by the ball-and-chain model. It is important to note that refractory periods.

Which of the following is true regarding the absolute. Course Title PSYC 1001. This type of response is a physiological refractory period meaning a person is physically unable to have sex again.

Which of the following statements about the refractory period of a membrane is true. While both systems maintain homeostasis how does the nervous system differ from the endocrine system. The period of time following the initiation of an action potential during which it is difficult or impossible to initiate a second action potential.

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. Neurons action potential firing machines Multiple action potentials do not occur in the same neuron at exactly the same time. School Seminole State College of Florida.

1 Which of the following is true about relative refractory period a the action potential cannot be generated regardless of the strength of the stimulation b it exists because of delayed closing of the sodium channels c the axonal membrane is depolarized during this period d the axonal membrane is hyperpolarized during this period e all potassium channels are closed. C In typical neurons the absolute refractory period takes about 5 ms. A postsynaptic neuron has three presynaptic inputs- from neurons X Y and Z.

25 February 2020 Session ID. Which of the following is NOT true about the refractory period. Cardiovascular Physiology Activity 1.

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. Which of the following are true about the relative refractory period select all that apply. Absolute Refractory Period The period of time during which a second AP cannot be initiated because the voltage-gated Na channels are already open or they are closed by their inactivation gates and so cannot be re-opened.

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 refers to the. Which of the following is true of the cardiac action potential. Which of the following statements about the phases of a neuronal action potential is TRUE.

To transmit a maximum of 250 impulses per second. - Cl- channels are being reset - It is impossible to trigger a new action potential - K is lower inside the cell - K is higher inside the cell 49. C The absolute refractory period takes about 5 ms.


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