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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

Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse

B

Hypothalamus activates the parasympa-thetic division of brain

C

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

D

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

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The correct Answer is:
D
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TRUEMAN BIOLOGY-NEURAL CONTROL AND COORDINATION-MCQ
  1. When a neuron is in resting state i.e. not conducting any impulse, the...

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  2. The purplish red pigment rhodopsin contained in the rods type of photo...

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  3. A person entering an empty room suddenly finds a snake right in front ...

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  4. Which part of the human ear plays no role in hearing as such but is ot...

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  5. The human hind brain comparises three parts, one of which is

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  6. Select the answer with correct matching of the structure, its location...

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  7. A nerve impulse is generated when the nerve cell undergoes

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  8. Cerebrospinal fluid is secreted by

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  9. The capacity to differentiate colours lies in

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  10. In ear, the membranous labyrinth is filled with fluid called

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  11. The region of the vertebrate eye, where the optics nerve passes out of...

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  12. The specific receptor responsible for the balance of the body and post...

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  13. Smallest bone in human system is

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  14. The charge on the oUter side of the neuron is

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  15. Colour perception in man is due to

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  16. Vomitting centre is located in the

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  17. In Na^+- K^+ Pump of active transport there is

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  18. Which of the following does not act as a neurotransmitter ?

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  19. Which is thickened to form organ of corti ?

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  20. Satiety centres of brain is present on

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