Autonomus Nervous System

Q.

Briefly explain the following term ‘reflex action’.

Q. Sympathetic and parasympathetic nervous systems are parts of autonomous nervous system.

1. True
2. False

Q. When a foreign particle enters our nasal cavity, the body's involuntary response is to sneeze. Which of the following controls the above process?

1. Medulla in forebrain
2. Hypothalamus in midbrain
3. Medulla in hindbrain
4. Pituitary in hindbrain

Q. Sympathetic and parasympathetic nervous systems are parts of autonomous nervous system.

1. True
2. False

Q.

Which nervous system prepares people to deal with frightening or stressful situations?

1. Sensory

2. Sympathetic

3. Parasympathetic

4. Somatic

Q. Analyse the following information and answer the questions.


(i) Write two functions of Sympathetic Nervous System.
(ii) Name two organs that are influenced by Parasympathetic Nervous System.
(iii) Name the Nervous system mentioned in the table that increases the blood pressure.
iv) What systems constitute Autonomous Nervous System?

Q. Sympathetic and parasympathetic nerves are part of ___ .

1. automatic nervous system
2. automotive nervous system
3. autonomic nervous system
4. automatic nervous system

Q. Any detectable change which generates a response in an organism is called stimulus.

1. True
2. False

Q. The 'fight or flight' hormone is secreted by which endocrine gland?

1. Pancreas
2. Pineal gland
3. Adrenal gland
4. Thyroid gland

Q. Taste of food is detected by gustatory receptors.

1. True
2. False

Q. Assertion [A]: Sympathetic and parasympathetic nervous systems are antagonistic to each other.

Reason [R]: The parasympathetic nervous system ‘prepares you’ for action, while the sympathetic system ‘calms you’ down after action.

1. Only A is correct.
2. Only R is correct.
3. Both A and R are correct and R is the correct explanation for A.
4. Both A and R are correct but R is not the correct explanation for A.

Q.

An automatic response that does not involve the control of brain is called ____________ action.

1. reflex

2. voluntary

3. systemic

4. sensitivity

Q. The central nervous system consists of ____.

1. only spinal cord
2. brain and nerves
3. spinal cord and nerves
4. brain and spinal cord

Q. Sympathetic and parasympathetic nervous systems are parts of autonomous nervous system.

1. True
2. False

Q. system of the autonomic nervous system is activated during emergency situations.

1. Sympathetic
2. Parasympathetic
3. Central