Unipolar neuron means

(1) Cell body with one axon only

(2) Cell body with dendrite only

(3) Only cell body

(4) An axon and dendrite with a cell body

Subtopic:  Nervous System |
 87%
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Which of the following is found usually in the embryonic stage?

(1) Unipolar

(2) Bipolar

(3) Multipolar

(4) Both B and C

Subtopic:  Nervous System |
 93%
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The gaps between two adjacent myelin sheath are called

(1) Nodes of Ranvier

(2) Axon terminal

(3) Synaptic knob

(4) Schwan cell

Subtopic:  Nervous System |
 96%
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In retina of eye which kind of axons are found?

(1) Multipolar

(2) Bipolar

(3) Unipolar

(4) Apolar

Subtopic:  Nervous System |
 96%
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Unmyelinated nerve fibres are enclosed by

(1) Schwann cells

(2) Myelin sheath

(3) No shwann cells and myelin sheath

(4) Schwann cells but not myelin sheath

Subtopic:  Nervous System |
 80%
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Unmyelinated nerve fibres are found in

(1) Autonomous

(2) Somatic Neural systems

(3) Both A and B

(4) CNS

Subtopic:  Nervous System |
 86%
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Myelinated nerve fibres are found in

(1) Cranial nerves

(2) Spinal nerves

(3) Both A and B

(4) Not in CNS

Subtopic:  Nervous System |
 95%
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Neurons are excitable cells because

(1) Their membranes are in unpolarized state

(2) There membranes are very light to create channels

(3) They have got neurotransmitters

(4) Their membranes are in polarized state

Subtopic:  Origin of Resting Membrane Potential |
 84%
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The membrane of neuron is polarized because

(1) Different kind of lipids are there over membrane

(2) Different kinds of ion channels are there in membrane

(3) These ion channels are selectively permeable to different ions

(4) Both B and C

Subtopic:  Origin of Resting Membrane Potential |
 89%
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When neuron is resting, which of the following is false with respect to that

(1) It is not conducting any impulse

(2) Axonal membrane is more permeable to potassium ions

(3) Axonal membrane won't allow any flow of sodium ions across it

(4) Membrane is impermeable to negatively charged proteins

Subtopic:  Origin of Resting Membrane Potential | Action Potential |
 56%
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