Spinal Cord

Q.

What protects the spinal cord?

Q.

Excessive Stimulation Of Vagus Nerve In Humans May Lead To-

1. Peptic Ulcers

2. Hoarse Voice

3. Efficient Digestion Of Proteins

4. None Of The Above

Q. Injury to vagus nerve in humans is not likely to affect:

1. Gastrointestinal movements
2. Pancreatic secretion
3. Cardiac movements
4. Tongue movements

Q. H-shaped grey matter is found in

1. spinal cord
2. cerebellum
3. cerebrum
4. medulla

Q.

In contrast to the somatic nervous system, the autonomic nervous system :

1. Has centers in the brain and spinal cord

2. Has both afferent and efferent fibers

3. Stimulates its effector cells

4. Has two-neuron efferent pathway

Q.

What is basal and alar plate?

Q. Define reflex arc

Q. Purkinje cells are found in :

1. Cerebellar cortex
2. Mammalian heart
3. Medulla
4. Spinal cord

Q. Aqueduct of Sylvius is found in

1. cerebral cortex
2. midbrain
3. pons
4. cerebellum

Q. What is nerve cord, spinal cord, vertebral column, backbone?

Q.

The brainstem is made up of______

Q. Label the parts in the cross-section of a spinal cord.

1. Spinal nerve
2. Grey matter
3. White matter

Q.

Gray matter is formed of nerve cells.

1. True
2. False

Q. One of the examples of the action of autonomous nervous system is: (a) knee-jerk response (b) pupillary reflex (c) peristalsis of the intestine (d) swallowing of food

Q.

Where Is erythropoietin Produced?

Q. Cerebrospinal fluid is present between:

1. The duramater and skull
2. The Piamater and brain
3. The arachnoid membrane and paimater
4. All of these

Q. What is spinal cord? Write about the functions of spinal cord.

Q.

What is Neural Foramen?

Q.

Give the reason for the following.

The hand moves away when someone pinches us.

Q. The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions.

(iv) How does the arrangement of neurons in the spinal cord differ from that of the brain?

Q.

The ______________ is the continuation of the medulla oblongata.

Q. Identify the statements as true/false. (xiii) Reflex action is under direct control of the brain.

Q.

It is an H-shaped mass present in the spinal cord.

1. dura mater

2. white matter

3. dorsal root

4. grey matter

Q. Injury to vagus nerve in humans is not likely to affect:

1. Gastrointestinal movements
2. Pancreatic secretion
3. Cardiac movements
4. Tongue movements

Q.

Differentiate between the following:

Brain and spinal cord

Q. What is spinal cord? Write short note on it.

Q.

The __________ is the continuation of medulla oblangata.

Q. What is reflexive relation?

Q.

There are _______ pairs of cranial nerves and _______pairs of spinal nerves in humans.

Q. The gray matter consists of

1. None of the above
2. Unmyelinated axons
3. Neuronal cell bodies
4. Both A and B