PNS and Its Organisation

Q.

What is cerebrospinal fluid?

Q.

Which of these following protect the brain?

1. Skull

2. Meninges

3. Cerebrospinal fluid

4. Muscles

Q.

The peripheral nervous system consists of ________ pairs of cranial nerves and ________ pairs of spinal nerves.

1. 1, 1

2. 31, 12

3. 12, 31

4. 14, 31

Q. Which cell(s) in the human body is/are not connected by nervous tissue?

Q. What does central nervous system consist of? What does it control? [2 MARKS]

Q.

The __________ protects the brain from shocks.

Q.

What is the middle layer of the cranial meninges called?

Q.

Which of the following are involved in providing protection to the brain?

1. Scalp

2. Skull

3. Meninges

4. Cerebrospinal Fluid

Q.

Choose the correct function of the mixed nerve.

1. Serves the muscular and skeletal system

2. Transmit both sensory and motor information

3. Serves the sympathetic system

4. Serves the parasympathetic system

Q.

There are __ pairs of cranial nerves present in the peripheral nervous system.

1. 12

2. 103

3. 31

4. 206

Q.

The peripheral nervous system consists of ________ pairs of cranial nerves and ________ pairs of spinal nerves.

Q. What does central nervous system consist of? What does it control? [2 MARKS]

Q.

Which nerve comes into play when a person swings a golf club?

1. Voluntary sensory nerve

2. Voluntary motor nerve

3. Somatic nerves

4. Involuntary nerves

Q. The ventral root ganglion of the spinal cord contains cell bodies of the

1. Motor neuron
2. Sensory neuron
3. Both A and B
4. Association neuron

Q.

A nutritive fluid filled inside the cavities called ventricles is known as

1. The duramater and skull

2. The piamater and brain

3. The arachnoid membrane and piamater

4. All of these

Q.

what is the difference between the thalamus and the hypothalamus?

Q. Axons of neurons bundle up to form a .

1. myelin sheath
2. nerve
3. dendrite

Q. How many pairs of spinal nerves are present in the human body?

1. 14
2. 12
3. 30
4. 31

Q. Identify cerebellum from this figure.

1. 
2. 
3. 
4. 

Q. Identify the myelin sheath.

1. 
2. 
3. 

Q. The largest part of brain is the .

1. cerebellum
2. spinal cord
3. cerebrum

Q. Pressure, tissue vibrations and tension are perceived through

1. Hair and organs
2. Free nerve endings
3. Ruffini's corpuscles
4. Pacinian corpuscles

Q. Seventh cranial nerve enters

1. Jugular ganglion
2. Geniculate ganglion
3. Gasserian ganglion
4. Femoral ganglion

Q.

Identify the incorrect statement(s) regarding the components of PNS.

I. The nerves carrying impulses from CNS to peripheral system are sensory nerves or afferent nerves

II. The nerves carrying impulses from peripheral system to CNS are motor nerves or efferent nerves

III. Afferent nerves bring in impulses from the auditory, visual and touch receptors.

IV. Efferent nerves coordinates impulses towards effector organs.

1. I and II

2. III and IV

3. I and III

4. II and IV