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प्रश्न
The resting potential of a neuron is ______.
विकल्प
30 millivolts
-30 millivolts
70 millivolts
-70 millivolts
MCQ
रिक्त स्थान भरें
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उत्तर
The resting potential of a neuron is -70 millivolts.
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संबंधित प्रश्न
The nervous system of mammals uses both electrical and chemical means to send signals via neurons. Which part of the neuron receives impulse?
___________ is a neurotransmitter.
The supporting cells that produce myelin sheath in the PNS are _________.
Short answer question
List the properties of the nerve fibres.
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Complete the table.
| Location | Cell Type | Function |
| PNS | ___________ | Produce myelin sheath |
| PNS | Satellite cells | _____________ |
| ___________ | Oligodendrocytes | Form myelin sheath around central axon |
| CNS | ___________ | Phagocytose pathogens |
| CNS | ___________ | Form the epithelial lining of brain cavities and central canal. |
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Complete the following table.
| Cell/Tissue/Muscles | Functions | |
| 1. | Cardiac muscles | ______ |
| 2. | ______ | Connect skeletal muscles to bones. |
| 3. | Chondroblast cells | ______ |
| 4. | ______ | Secrete heparin and histamine |
Match the following:
| 'A' Group | 'B' Group |
| 1. Muscle | a. Perichondrium |
| 2. Bone | b. Sarcolemma |
| 3. Nerve cell | c. Periosteum |
| 4. Cartilage | d. Neurilemma |
What is the covering of nerve fascicule called?
Match column-I showing neuroglial cells with their functions in column-II:
| Column I | Column II | ||
| i. | Astrocytes | a. | production of CSF. |
| ii. | Oligodendrocytes | b. | maintenance of blood brain barrier |
| iii. | Ependymal cells | c. | formation of white matter of CNS. |
| iv. | Schwann cells | d. | production of myelin sheath around medullated nerves of PNS. |
