Glial Cell

Q. Which of the following is not true about neuroglial cells?

1. They support and protect the neurons
2. They do not form synapse
3. All neuroglia arise from the ectoderm
4. They can be phagocytic

Q. Which type of neuroglial cell takes part in formation of blood brain barrier?

1. Astrocytes
2. Oligodendrocytes
3. Schwann cells
4. Ependymal cell

Q. Which of the following forms myelin sheath in the PNS?

1. Microglia
2. Oligodendrocytes
3. Neurolemmocytes
4. Astrocytes

Q.

Saltatory conduction occurs in

1. Myelinated Fibres

2. Non-myelinated Fibres

3. Both (A) And (B)

4. None Of These

Q. Which of the following neuroglial cells is responsible for phagocytosis?

1. Oligodendrocytes
2. Microglia
3. Schwann cells
4. None of the above

Q. Which of the following glial cells form the blood-brain barrier?

1. Astrocytes
2. Schwann cells
3. Oligodendrocytes
4. Microglia

Q.

Fill in the blanks:

1. a-neural system, b-endocrine system, c-immune system
2. b-neural system, c-endocrine system, a-immune system
3. a-neural system, c-endocrine system, b-immune system
4. c-neural system, b-endocrine system, a-immune system

Q. What is the junctional region between two neurons known as?

1. neurolemmocytes
2. synapse
3. myelin sheath
4. neurilemma

Q. Which of the following is not true about neuroglial cells?

1. They do not form synapse
2. They can be phagocytic
3. They support and protect the neurons
4. All neuroglia arise from the ectoderm

Q. Collection of cell bodies of specialized neurons secreting special biochemical substances in the CNS is referred to as

1. olfactory bulbs
2. ganglia
3. nuclei
4. diocoel

Q. Which of the following neuroglial cells is responsible for phagocytosis?

1. Oligodendrocytes
2. Microglia
3. Schwann cells
4. None of the above

Q. Which of the following are glial cells ?

1. astrocyte
2. lacunae
3. dendrocytes
4. osteoblast

Q. Which of the following is not true about neuroglial cells?

1. They do not form synapse
2. They support and protect the neurons
3. All neuroglia arise from the ectoderm
4. They can be phagocytic

Q. Action potentials propagate more rapidly along the myelinated axons than along the non-myelinated axons because of the uneven distribution of:

1. Leakage channels
2. Ligand gated channels
3. Mechanical gated channels
4. Voltage gated channels

Q. Explain the closing and opening of Na+ and K+ channels during nerve conduction

Q. Which of the following glial cells form the blood-brain barrier?

1. Astrocytes
2. Schwann cells
3. Oligodendrocytes
4. Microglia

Q.

In the central nervous system (CNS), neurons are held in position by________

1. neurilemma

2. synapse

3. Shwann cells

4. neuroglia

Q. Which of the following are glial cells ?

1. Astrocyte
2. Oligodendrocytes
3. Ependymal cells
4. All of the above

Q.

The smaller glial cells that forms the first line of defense and immunity of nerve cells are called as _____.

1. Macroglia

2. Astroglia

3. Microglia

4. Neuroglia

Q. What is the difference between neuroglia and nervous system?

Q.

_______________ make up more than one half the volume of neural tissue in our body.

1. neurons

2. neuroglia

3. axons

4. dendrites

Q. What is the junctional region between two neurons known as?

1. neurolemmocytes
2. synapse
3. myelin sheath
4. neurilemma

Q. Neuroglial cells differ from neurons in having

1. No nucleus
2. No Nissl's granules
3. No cytoplasm
4. No radiating processes

Q. Which of the following nerves innervates the alimentary canal/thoracic region

1. Oculomotor
2. Abducens
3. Trigeminal
4. Vagus

Q. Short / Long answer type questions.
What types of adrenergic receptors are present in different tissues and how do they function?

Q.

Neurons are well-protected by protein sheaths and supported functionally by widely distributed glial cells in 10:1 ratio. The supporting glial cells are classififed by their size into ___________________ & _________________.

1. Cyton & Axon

2. Schwann Cells and Oligodendrocytes

3. Macroglia & Microglia

4. Astroglia and Ependymal Cells

Q. Which of the following forms myelin sheath in the PNS?

1. Microglia
2. Oligodendrocytes
3. Neurolemmocytes
4. Astrocytes

Q.

Neurons are well-protected by protein sheaths and supported functionally by widely distributed glial cells in 10:1 ratio. The supporting glial cells are classififed by their size into ___________________ & _________________.

1. Cyton & Axon

2. Schwann Cells and Oligodendrocytes

3. Astroglia and Ependymal Cells

4. Macroglia & Microglia

Q.

In the central nervous system (CNS), neurons are held in position by________

1. neurilemma

2. synapse

3. Shwann cells

4. neuroglia

Q. Match the items of column A with alternatives given in column B

	Column A		Column B
(a)	cerebellum	(i)	pituitary
(b)	saltatory conduction	(ii)	node of Ranvier
(c)	parasympathetic nerve fibres	(iii)	muscle fibre
(d)	hypothalamus	(iv)	posture and equilibrium
(e)	motor end plate	(v)	ranio sacral outflow
(f)	colour vision	(vi)	membrane potential
(g)	dorsal root ganglion	(vii)	spinal nerve
(h)	sodium pump	(viii)	cerebral cortex
(i)	sympathetic nerve fibres	(ix)	thoracico lumbar outflow
(j)	somaesthetic area	(x)	cones