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प्रश्न
Resting membrane potential is maintained by ______.
विकल्प
Hormones
Neurotransmitters
Ion pump
None of the above
उत्तर
Resting membrane potential is maintained by ion pump.
APPEARS IN
संबंधित प्रश्न
Explain the following process:
Transmission of a nerve impulse across a chemical synapse
Give function of astrocytes in nervous system.
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
What are the number of Na+ ions pumped out, and K+ ions pumped into the cell, with respect to the Na+ - K+ pump?
Neurotransmitters are removed from synaptic cleft by ____________ after transmission of impulse.
Which of the following is TRUE for the external tissue fluid in polarized state?
Identify the correct path of transmission of nerve impulse.
When stimulus is applied to a membrane of neuron, it causes rapid influx of ____________.
Complete the statement by choosing appropriate match among the following -
| a. Resting potential | i. Chemicals involved in the transmission of impulses at synapses. |
| b. Nerve impulse | ii. Gap between the pre synaptic and post synaptic neurons |
| c. Synaptic cleft | iii. Electrical potential difference across the resting neural membrane |
| d. Neurotransmitters | iv. An electrical wave like response of a neuron to a stimulation |
Write one word for the following:
Point of contact between two nerve cells.
