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In parasympathetic nervous system which of the following is released?
Options
(a) epinephrine
(b) norepinephrine
(c) serotonin
(d) acetylcholine
Correct Answer:
acetylcholine
Explanation:
The parasympathetic nervous system acts by relesing a chemical substance,acetylcholine,at the terminal endings of the postganglionic parasympathetic fibres.The latter are,thus,cholinergic.All the preganglionic nerve fibres of both these systems are cholinergic.
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Topics: Neural Control and Chemical Coordination
(195)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of these is not an important component of initiation of parturition in humans ?
- Mass of living matter at a trophic level in an area at any time is called
- The pulling strength of community waste water is usually characterized by its
- Blood pressure increases and heart rate decreases in response to
- Streptomyces griseus produces antibiotic
Topics: Neural Control and Chemical Coordination (195)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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