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A person entering an empty room suddenly...

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?

A

Hypothalamus activates the parasympathetic division of brain

B

Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex

C

Sympathetic nervous system is activated releasing epine- phrine and noreppinephrin from adrenal medulla

D

Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse

Text Solution

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The correct Answer is:
C
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SANTRA PUBLICATION-NEURAL CONTROL AND CO-ORDINATION-NCERT QUESTIONS
  1. A person entering an empty room suddenly finds a snake right in front ...

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  2. Briefly describe the structure of the following : Brain

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  3. Briefly describe the structure of the following : Eye

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  4. Briefly describe the structure of the following : Ear

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  5. Compare the following : Central neural system (CNS) and Peripheral n...

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  6. Compare the following : Resting potential and action potential

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  7. Compare the following : Choroid and retina.

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  8. Explain the following process : Polarisation of the membrane of a ne...

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  9. Explain the following process : Depolarisation of the membrane of a ...

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  10. Explain the following process : Conduction of a nerve impulse alsong...

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  11. Explain the following process : Transmission of a nerve impulse acro...

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  12. Draw labelled diagrams of the following Neurone

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  13. Draw labelled diagrams of the following Brain

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  14. Draw labelled diagrams of the following Eye

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  15. Draw labelled diagrams of the following Ear

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  16. Write short notes on the following : Neural coordination

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  17. Write short notes on the following : Forebrain

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  18. Write short notes on the following : Midbrain

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  19. Write short notes on the following : Hindbrain

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  20. Write short notes on the following : Retina

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  21. Write short notes on the following : Ear ossicles

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