Peripheral Nervous System

Q.

How many cranial and spinal nerves are present in the human body which constitute the peripheral nervous system?

1. 24 cranial and 31 spinal

2. 24 cranial and 62 spinal

3. 24 cranial and 66 spinal

4. 12 cranial and 31 spinal

Q.

What is the purpose of a ganglion?

Q.

Which type of cells does not divide in adult humans?

1. None of the above

2. Nerve cell

3. Liver cell

4. Tumor cell

Q.

Define mixed nerves. Give one example.

Q.

A mixed nerve

1. contains both sensory and motor fibres

2. carries sensations from two or more different sense organs

3. has a common root but branches into two nerves to different organs

4. has two or more roots from different parts of brain

Q. In peripheral nervous system, the nerves which arise from brain are called ____ nerves.

1. spinal
2. cranial
3. association
4. sensory

Q.

Complete the following statements by choosing the correct alternative from the choices given in brackets :

(a) The dorsal root ganglion of the spinal cord contains cell bodies of (motor/sensory/intermediate) neurons.

(b) The cerebellum is the part of the brain which is responsible for

(i) conducting reflexes in the body

(ii) maintaining posture and equilibrium

(iii) controlling thinking, memory & reasoning.

(c) Reflex action is controlled by

(i) brain (ii) spinal cord

(iii) autonomic (iv) peripheral nervous system.

Q. diffrence between peripheral nervous system and central nervous system

Q.

When a person is suffering from severe cold, he or she cannot

1. Differentiate the taste of an apple from that of an ice cream

2. Differentiate the smell of a perfume from that of an agarbatti

3. Differentiate red light from the green light

4. Differentiate a hot object from a cold object

Q. Pharyngeal ganglion in leech is a part of ________.

1. nervous system
2. digestive system
3. respiratory system
4. circulatory system

Q.

The number of pairs of nerves which arises from the spinal cord is :

(a) 21

(b) 31

(c) 41

(d) 51

Q.

Which part of the Brain is responsible for controlling pain and pleasure?

Q.

Name two parts of the body which contains receptors of chemical stimuli.

Q. Peripheral nervous system comprises of?

1. Cranial nerves
2. Spinal nerves
3. Cranial nerves and spinal nerves
4. Autonomic nervous system only

Q. The peripheral nervous system is subdivided into the

1. Somatic nervous system
2. Autonomic nervous system
3. Central nervous system
4. None of these

Q. is responsible for the coordination of muscular activities.

1. Cerebrum
2. Cerebellum
3. Medulla oblongata

Q.

Given below is the partially incomplete scheme of the components of peripheral nervous system. Fill up the blanks numbered (1) -(8) :

Q.

Question 39
Match the terms of Column (A) with those of Column (B)

Q. The central nervous system comprises of:

1. Brain
2. Spinal cord
3. Vertebral column
4. All peripheral nerves

Q. Olfactory lobes are concerned with the sense of

1. Sight
2. Smell
3. Hearing
4. Touch

Q.

Which nerves originate from brain? List their types.

Q.

Which of the following system exhibits body coordination?

1. Blood vascular system

2. Nervous system

3. Brain

4. Nervous and endocrine system

Q.

Gustatory receptors detect

1. Temperature

2. Touch

3. Taste

4. Smell

Q.

How does the central nervous system regulate GI activity?

Q. The main function of the PNS is to connect the CNS to the limbs and organs. State true or false.

1. False
2. True

Q. The enteric nervous system is present in the ____.

1. respiration tract
2. urinary tract
3. digestive tract
4. spinal cord

Q.

Match Column A appropriately with Column B.

$$\begin{array}{cc}ColumnA& ColumnB\\ \text{(i)The Central Nervous System constitutes of}& \text{1.Ears, Eyes, Nose}\\ \text{(ii)Reflex axes are formed in}& \text{2.Olfactory}\\ \text{(iii)Receptors that detect taste}& \text{3. Spinal cord and the Brain}\\ \text{(iv)Receptors that detect smell}& \text{4. Muscles and Glands}\\ \text{(v)Examples of receptor organs are}& \text{5. Gustatory}\\ \text{(vi)Examples of effector organs are}& \text{6. Spinal Cord}\\ \text{(vii)Peripheral Nervous System consists of}& \text{7. Spinal nerves from the spinal cord and}\\ & \text{cranial nerves from the brain}\end{array}$$

1. (i) – 4, (ii) – 5, (iii) – 6, (iv) – 7, (v) – 3, (vi) – 1, (vii) – 2

2. (i) – 3, (ii) – 2, (iii) – 5, (iv) – 6, (v) – 1, (vi) – 4, (vii) – 7

3. (i) – 3, (ii) – 6, (iii) – 5, (iv) – 2, (v) – 1, (vi) – 4, (vii) – 7

4. (i) – 1, (ii) – 5, (iii) – 2, (iv) – 6, (v) – 3, (vi) – 7, (vii) – 4

Q.

Cranial nerves are 10 pairs of nerves in human beings.

1. True
2. False

Q.

Give technical terms for the following;

The nerve that transmits impulses from the ear to the brain.

Q.

What happens if the brainstem is damaged?