Which of the Following Describes the Refractory Period

Dbeginning of the p. Cant respond to another stimulus.

Pin On Human Anatomy Structure Physiology

-It is about the same as the total refractory period for skeletal muscle.

. Relative refractory period is the period of time during which only a large stimulus will generate an action potential. -It is longer than the contraction of cardiac muscle. C In typical neurons the absolute refractory period takes about 5 ms.

Was this article helpful. -It is shorter than the total refractory period for skeletal muscle. Slowly these sodium channels start to recover a period of time known as the relative refractory period.

Um And action potentials also do in fact have a refractory period when the deep polarization that occurred is being re polarized by the influx of Catalans generally potassium. Absolute refractory period arp describes the time of dormancy that occurs after a nerve has been fired. Which expression most accurately describes the male and female sexual responses.

There are two types of refractory period they are. Beginning of the QRS complex to the up stroke of the T wave. By definition the refractory period is a period of time during which a cell is incapable of repeating an action potential.

Experts are tested by Chegg as specialists in their subject area. Absolute refractory period and relative refractory period. Which of the following statements describes the total refractory period of cardiac muscle.

Refractory periods are an essential component of all pacing modes that involve sensing of intrinsic cardiac events56 In single-chamber modes with sensing there is a ventricular refractory period VRP or an atrial refractory period ARP depending on the relevant chamber. -It is longer than the total refractory period for skeletal muscle. Which of the following statements correctly describes the relative refractory period.

A Na channel inactivation is responsible for the absolute refractory period. There are two types of refractory periods. Um And so uh these the B and C.

No stimulus can trigger an impulse at this time. Absolute refractory period - no stimulus can elicit another action potential basically anywhere between depolarization until ending of Na channel inactivation Relative refractory period - from beginning of repolarization. View the full answer.

Ejaculation again immediately following ejaculation during intercourse. An other action potential cannot be initiated during this resting. B They conduct impulses.

Absolute refractory period of a neuron is the period of time during which no amount of external stimulus will generate an action potential. HyiabWhy do fast conducting cells have longer refractory periods. Beginning of the T wave to the beginning of the next QRS complex.

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. It is initiated by paced or sensed events. The length of this time varies and a very strong stimulus may trigger an impulse.

D They are mitotic. Upstroke of the t wave to the end of the t wave. Which of the following correctly describes the refractory period.

C absolute refractory period D depolarization 25 Which of the following is not characteristic of neurons. An important difference between the clitoris and the penis is. A They have an exceptionally high metabolic rate.

D The molecular basis of the absolute refractory period. A much STRONGER stimulus is needed to start an action potential. Mechanical Events of the Cardiac Cycle.

Which of the following statements describes the total refractory period of cardiac muscle. 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. The refractory period of a neuron is the time in which a nerve cell is unable to fire an action potential nerve impulse.

It is the period in which the heart function stops temporarily to allow impulse transmission to occur. Um And this refractory period during this time another another action potential cannot be triggered. The relative refractory period extends from the.

It is the period in which even a weak impulse can cause another depolarization. C They have extreme longevity. Which of the following illustrates a refractory period in men.

The time from the peak of the action potential to this inactivation is known as the absolute refractory period. The refractory period lasts almost as long as the contraction. Who are the experts.

K channels should be activatedopen. Ans- The refractory period is the time period in which another impulse that. We review their content and use your feedback to keep the quality high.

It is the period in which only a strong impulse can cause another depolarization. Refractory factory period resting period is the time period required by the membrane to get ready for the next action potential it prevents the back spread of action potential and it also facilitates the neuron to conduct action potential. The absolute refractory period which corresponds to.

Sean is unable to have an.

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

Human Medical Physiology Q A Absolute Vs Refractory Period Of Cardiac Muscle Cells Physiology Refractory Period Studying Medicine

Human Medical Physiology Q A Absolute Vs Refractory Period Of Cardiac Muscle Cells Physiology Refractory Period Studying Medicine

The Refractory Period Is A Period Of Resistance To Stimulation And The Two Phases Associated With It Are The Absol Refractory Period Physiology Science Biology