Axoplasm is present inside the _______.

The type of glial cells present in PNS are ________.

Neurons are surrounded by

The negatively charged protein molecules inside the neuron ______ cross the plasma membrane easily.

The permeablility of the plasma membrane to K+ ions is _______ than its permeability to Na+ ions in a neuron, when it is at rest.

The transmembrane potential can be measured by ______ electrode(s).

The resting membrane potential ranges from

Electrogenic pumps expels ______ Na+ ions for every _____ K+ ions.

Conduction of the nerve impulse occurs by

The typical value of resting membrane potential is

The transmission of a signal by a nerve occurs in ______ phases.

Depolarisation and repolarisation are ________ processes.

Depolarization is caused by a ______ change in membrane permeability.

Depolarisaion and repolarisation take only about ______ milliseconds.

The stimulus required to open enough Na+ channels to initiate depolarization is called _____.

Threshold stimulus is ______ than the resting potential.

For most excitable cells, the threshold is about ______ mV.

Multipolar nerve cells are present in

Glia performs many ______ functions.

Which of the following is/are spike?

Axoplasm has _______ concentration of K+ ions.and a ______ concentration of Na+ ions.

When interior of the cell is more negatively charged, the neuron is said to be

The transmembrane potential can be measured by a/an

Which of the following components provides insulation to neurons?

Glia is the _______ cell.