Tag: coordination

Questions Related to coordination

Pre-excitation potential difference between outside and inside of a nerve is called

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Reaction potential

  2. Action potential

  3. Spike potential

  4. Resting potential

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Correct Option: D

Direction of nerve impulse is reversed in junction

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Axo-axonic

  2. Axo-dendritic

  3. Axo-dendritic-axonic

  4. None of the above

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Correct Option: A

Vagus nerve is

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Parasympathetic nerve

  2. Sympathetic nerve

  3. X cranial nerve

  4. V cranial nerve

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Correct Option: C

Ratio of N$a^+$ and $K^+$ ions across nerve membrane is

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. 50: 40

  2. 60 : 30

  3. 30 : 10

  4. 10 : 35

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Correct Option: D

In an axon, nerve impulse travels

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Away from cyton

  2. Towards cyton

  3. Both away and towards cyton

  4. Not known

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Correct Option: A

Depolarisation of nerve cell involves

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Influx of $K^+$

  2. Influx of N$a^+$

  3. Influx of C$a^{2+}$ and Cl

  4. Efflux of N$a^{2+}$

  5. Efflux of C$a^{2+}$ and Cl

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Correct Option: B

In resting stage of neuron, diffusion due to concentration gradient will drive

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. $K^+$ into cell

  2. $K^+$and N$a^+$ out of cell

  3. N$a^+$ into cell

  4. N$a^+$ out of cell

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Correct Option: C

Nerve impulse travels as

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Mechanical impulse

  2. Chemical impulse

  3. Electrical impulse

  4. Magnetic impulse

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Correct Option: C

At resting stage nerve cell has

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Low $K^+$ outside and high N$a^+$ inside

  2. High $K^+$ inside and high N$a^+$ outside

  3. High $K^+$ inside and low N$a^+$ outside

  4. High $K^+$ outside and low N$a^+$ inside

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Correct Option: B

Nerve axon takes part in

biology coordination generation and conduction of nerve impulse generation of nerve impulse neurons and synapses

  1. Receiving impulse

  2. Transformation of energy

  3. Conduction of impulse

  4. Providing energy for impulse transmission

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Correct Option: C