The absolute refractory period of an action potential is due to _______________?

Related Mcqs:

The neuromuscular transmitter released at neuromuscular junction is_______________?

A. Dopamine B. Epinephrine C. Nor epinephrine D. Acetylcholine...

A motor unit is made up of______________?

A. A flexor muscle and an extensor muscle B. A single skeletal muscle and all the motor peurons that supply it C. A single motor neuron and all the muscle fibers it innervates D. All the motor neurons in which response are observed after maximal stimulation of a single sensory nerve...

The skeletal muscle action potential______________?

A. Is not essential for contraction to occur B. Has a prolonged plateau phase? C. Spreads in ward to all parts of the muscle via the t- tubule system D. Begins with an, in ward movement of K+ ins...

In excitable cells, repolarization is closely associated with, one of the following events_______________?

A. Na effux B. Na influx C. K efflux D. K influx...

Potassium is maximum in_____________?

A. Cell B. Plasma C. Interstitium D. Bone...