Tag: coordination

Questions Related to coordination

A polarised neuron is the one that is

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

  1. Conducting stimulus

  2. At resting potential

  3. Having action potential

  4. None of the above

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Correct Option: B

During conduction of nerve impulse

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

  1. N$a^+$ moves out of axoplasm

  2. N$a^+$ moves into axoplasm

  3. $K^+$ moves into axoplasm

  4. C$a^{2+}$ moves into axoplasm

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Correct Option: B

Transverse nerve fibres found in hind brain represent

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

  1. Crura cerebri

  2. Pons varolli

  3. Arbor vitae

  4. Choroid plexus

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Correct Option: B

Node of Ranvier occurs over

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

  1. Muscle

  2. Dendrite

  3. Right auricle

  4. Axon

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Correct Option: D

Homoeostasis is maintained by

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

  1. Cerebellum

  2. Cerebrum

  3. Diencephalon

  4. Medulla oblongata

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Correct Option: C

Temporal lobe does not contain

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

  1. Wernickes area

  2. Olfactory area

  3. Auditory area

  4. Brocas area

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Correct Option: D

Foramen of Monro connects

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

  1. Diocoel with paracoel

  2. Diocoel with metacoel

  3. Diocoel with epicoel

  4. Epicoel with metacoel

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Correct Option: A

Synaptic delay lasts for

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

  1. 0.1 ms

  2. 0.5 ms

  3. 0.3 ms

  4. 0.4 ms

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Correct Option: B

The processes that occur during repolarisation of nerve fibres are 
(i) Open N$a^+$ channels 
(ii) Closed N$a^+$ channels 
(iii) Closed $K^+$ channels 
(iv) Open $K^+$ channels

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

  1. (ii) and (iii)

  2. (i) and (ii)

  3. (ii) and (iv)

  4. (i) and (iii)

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Correct Option: C

Nerve fibre in resting stage is 

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

  1. Less permeable to $K^+$

  2. Semipermeable

  3. More permeable to $K^+$

  4. All the above

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Correct Option: C