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Question (11)

QN0036082

11 Where are reflex arcs generally formed in humans?

(A) Stomach
(B) Spinal cord
(C) Heart
(D) Cerebellum

Correct Answer: B

Explanation:

Reflex arcs are formed in the spinal cord.

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Question (12)

QN0036083

12 Why is a reflex arc generally faster than a response involving conscious thinking?

(A) It provides a simpler pathway for a quick response
(B) It does not involve neurons
(C) It does not detect stimuli
(D) It uses only hormones

Correct Answer: A

Explanation:

Reflex arcs provide a rapid pathway between the stimulus and response.

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Question (13)

QN0036084

13 Which two structures together form the central nervous system?

(A) Brain and cranial nerves
(B) Brain and spinal cord
(C) Spinal cord and spinal nerves
(D) Brain and muscles

Correct Answer: B

Explanation:

The brain and spinal cord form the central nervous system.

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Question (14)

QN0036085

14 A person decides to write an answer on paper. Which type of action is this?

(A) Reflex action
(B) Voluntary action
(C) Automatic growth
(D) Tropic movement

Correct Answer: B

Explanation:

Writing is a voluntary action based on conscious decision.

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Question (15)

QN0036086

15 The peripheral nervous system consists mainly of

(A) Cranial nerves and spinal nerves
(B) Brain and spinal cord
(C) Muscles and glands
(D) Receptors and hormones

Correct Answer: A

Explanation:

The peripheral nervous system consists of cranial and spinal nerves.

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Question (16)

QN0036087

16 Which part of the brain is the main thinking part?

(A) Fore-brain
(B) Mid-brain
(C) Hind-brain
(D) Spinal cord

Correct Answer: A

Explanation:

The fore-brain is the main thinking part of the brain.

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Question (17)

QN0036088

17 A person hears a sound and interprets its meaning using information already stored in the brain. Which brain region is mainly involved?

(A) Fore-brain
(B) Spinal cord
(C) Cerebellum
(D) Medulla

Correct Answer: A

Explanation:

The fore-brain contains sensory and association areas involved in interpretation and thinking.

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Question (18)

QN0036089

18 Which part of the brain is responsible for maintaining posture and balance?

(A) Cerebellum
(B) Fore-brain
(C) Medulla
(D) Spinal cord

Correct Answer: A

Explanation:

The cerebellum controls precision of voluntary actions and maintains posture and balance.

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Question (19)

QN0036090

19 A person has difficulty maintaining body balance while walking. Which part of the brain is associated with this function?

(A) Cerebellum
(B) Fore-brain
(C) Thyroid gland
(D) Spinal cord only

Correct Answer: A

Explanation:

The cerebellum helps maintain posture and balance.

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Question (20)

QN0036091

20 Which of the following is an involuntary action controlled by the medulla?

(A) Writing
(B) Walking
(C) Blood pressure regulation
(D) Picking up a pencil

Correct Answer: C

Explanation:

The medulla controls involuntary actions such as blood pressure regulation.

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Question (11)

11 Where are reflex arcs generally formed in humans?

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Question (12)

12 Why is a reflex arc generally faster than a response involving conscious thinking?

Explanation:

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Question (13)

13 Which two structures together form the central nervous system?

Explanation:

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Question (14)

14 A person decides to write an answer on paper. Which type of action is this?

Explanation:

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Question (15)

15 The peripheral nervous system consists mainly of

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Question (16)

16 Which part of the brain is the main thinking part?

Explanation:

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Question (17)

17 A person hears a sound and interprets its meaning using information already stored in the brain. Which brain region is mainly involved?

Explanation:

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Question (18)

18 Which part of the brain is responsible for maintaining posture and balance?

Explanation:

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Question (19)

19 A person has difficulty maintaining body balance while walking. Which part of the brain is associated with this function?

Explanation:

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Question (20)

20 Which of the following is an involuntary action controlled by the medulla?

Explanation:

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