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In parasympathetic nervous system, which of following is released?

a)

Epinephrine

b)

Norepinephrine

c)

Serotonin

d)

Acetycholine

Question ID - 5746 :-

In parasympathetic nervous system, which of following is released?

a)

Epinephrine

b)

Norepinephrine

c)

Serotonin

d)

Acetycholine

1 Answer
5876 Votes
3537
Answer Key : (d) -

(d)

In parasympathetic nervous system, acetycholine is released at effector.


Next Question :

Following are the steps of mechanism of vision in random order

I. Neural impulses are analysed and image formed on retina is recognised by visual cortex

II. Membrane permeability changes

III. Ganglion cells are excited

IV. Bipolar cells are depolarized

V. Action potential (impulse) is transmitted by optic nerves to visual cortex

VI. Potential differences are generated in the photoreceptor cells

VII. Light energy causes a change in shape of rhodopsin, leading to the dissociation of retinal (an aldehyde of vitamin-A) from opsin (a protein)

VIII. Structure of opsin is changed

Choose the correct sequence

a)

I, II, III, IV, V, VI, VII, VIII

b)

VIII, VII, VI, V, IV, III, II, I

c)

I, IV, III, II, VII, VIII, VI, V

d)

VII, VIII, II, VI, IV, III, V, I

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