MCQs Part 1 of 3: Nervous System.

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MCQs: Nervous System.

Quiz

 

1. Nervous System coordinates with the ------- to maintain homeostasis.
   1.   Endocrine system.
   2.   Skeletal System.
   3.   Muscular System.
   4.   Digestive System.
2. Nervous system works by generating “--------”.
   1.   Enzymes.
   2.   Hormones.
   3.   Mucus.
   4.   Nerve impulses.
3. The Central Nervous System consists of the brain and-------.
   1.   Cerebrum.
   2.   Cerebellum.
   3.   Spinal cord.
   4.   Pancreas.
4. The source of our thoughts, emotions and memories is ---
   1.   Somatic nervous system.
   2.   Autonomic Nervous System.
   3.   Central Nervous System.
   4.   Peripheral Nervous system.
5. Fundamental unit of the nervous system is -----
   1.   Neuroglial Cell.
   2.   Neuron.
   3.   Nephron.
   4.   All of the above.
6. -------- are supporting cells that support, protect and nourish the neurons.
   1.   Neuroglial Cell.
   2.   Merkel cells.
   3.   Nephron.
   4.   All of the above.
7. ------ is the main part of Neuron which contains “Nucleus” and other cell organelles.
   1.   Cell body.
   2.   Axon.
   3.   Dendrites.
   4.   Terminal bulbs.
8. ----- part of the neuron receives sensory information from sensory organs or other neurons in the form of chemical signals.
   1.   Cell body.
   2.   Axon.
   3.   Dendrites.
   4.   Terminal bulbs.
9. -- is a long thin projection between the cell body and dendrites of a neuron.
   1.   Cell body.
   2.   Axon.
   3.   Dendrites.
   4.   Terminal bulbs.
10. The point where the axon starts from the cell body of the neuron is cone shaped and called “--------.”
    1.   Axon Hillock
    2.   Axon Padlock
    3.   Axon Terminal.
    4.   Axon end.
11. Branches of axons are called “---”.
    1.   Axon collaterals
    2.   Axon Hillock
    3.   Axon Padlock
    4.   Axon Terminal.
12. The axon ends into many fine elongated processes called “-----”.
    1.   Axon Hillock
    2.   Axon Padlock
    3.   Axon Terminal.
    4.   Axon Collaterals
13. The gap between two neurons is called “-----”.
    1.   Sulcus
    2.   Falx
    3.   Gyrus
    4.   Synapse
14. Neurotransmitter is present in which of the following parts of the neuron?
    1.   Cell body.
    2.   Axon.
    3.   Dendrites.
    4.   Terminal bulbs.
15. A part of the neurotransmitter released gets destroyed in synapse by enzymatic action while most is recollected by the neuron, the recollection is called “--------”.
    1.   Neuronal reuptake.
    2.   Neuronal reuse.
    3.   Neuronal wastage.
    4.   None of these.
16. Characteristic of the “Multipolar Neuron” is,
    1.   Several dendrites and one axon.
    2.   Have one main dendrite and one axon.
    3.   Axon and dendrites fuse to form a single process.
    4.   None of these.
17. Characteristic of the “Bipolar Neuron” is,
    1.   Several dendrites and one axon.
    2.   Have one main dendrite and one axon.
    3.   Axon and dendrites fuse to form a single process.
    4.   None of these.
18. Characteristic of the “Unipolar Neuron” is,
    1.   Several dendrites and one axon.
    2.   Have one main dendrite and one axon.
    3.   Axon and dendrites fuse to form a single process.
    4.   None of these.
19. The neuroglial cells which form an important part of the BBB are,
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Oligodendrocytes.
20. The neuroglial cells which are actually stationary macrophages are,
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Oligodendrocytes.
21. The neuroglial cells which are involved in insulation and synthesis of Myelin Sheath Are,
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Oligodendrocytes.
22. The neuroglial cells which secrete CSF are,
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Oligodendrocytes.
23. The neuroglial cells that encircles the axons of a myelinated neuron are,
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Schwann Cells.
24. The small flattened neuroglial cells arranged around the cell bodies of neurons in ganglia are called ----.
    1.   Astrocytes.
    2.   Microglial cells.
    3.   Ependymal Cells.
    4.   Satellite Cells.
25. The resting membrane potential is -----.
    1.   + 70mv.
    2.   -70mv.
    3.   +55 mv.
    4.   - 55 mv.
26. It is said that Action potential is generated when the membrane potential reaches ----.
    1.   + 70mv.
    2.   -70mv.
    3.   +55 mv.
    4.   - 55 mv.
27. On a receiving stimulus the Na+ ion channels open causing entry of Na+ ions inside the cell and start shifting the resting potential to “0”, the stage is called,
    1.   Depolarization.
    2.   Repolarization
    3.   Hyperpolarization.
    4.   Extra Polarization.
28. The return of membrane potential to -70 mv is called “------.”
    1.   Depolarization.
    2.   Repolarization
    3.   Hyperpolarization.
    4.   Extra Polarization.
29. Due to delay in closing of K+ ion channels the further loss of positivity the membrane potential lowers more to -90mv, the stage is called,
    1.   Depolarization.
    2.   Repolarization
    3.   Hyperpolarization.
    4.   Extra Polarization.
30. The difference of voltage between inside the cell membrane and outside the cell membrane is called ----
    1.   Membrane Potential.
    2.   Cell Potential.
    3.   Tissue Potential.
    4.   Organ Potential.