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Which of the following statements are correct for RAS?

I. It screens sensory information

II. It is important in overall activation and arousal

III. It is concerned with involuntary movements

IV. It is the seat of learning, memory, reasoning and creative ability

a)

I and II

b)

II and III

c)

II and IV

d)

I and IV


Question ID - 5374 | Toppr Answer

Which of the following statements are correct for RAS?

I. It screens sensory information

II. It is important in overall activation and arousal

III. It is concerned with involuntary movements

IV. It is the seat of learning, memory, reasoning and creative ability

a)

I and II

b)

II and III

c)

II and IV

d)

I and IV

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

RAS it is a diffuse network of nerve cell bodies and nerve tracts that extends through the brain stem. It screens sensory information so that only certain only certain impulses reaches the cerebrum. It is also important in overall activation and arousal. When certain neurons in RAS are active, we are awake, when they are inhibited by other neurons we sleep



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