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Nervous System Flash Cards
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Samacheer Kalvi - English Medium
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36 cards in this set.
Bipolar neurons are found in
(a) retina of eye
Site for processing of vision, hearing, memory, speech, intelligence and thought is
In reflex action, the reflex arc is formed by
(d) receptor, spinal cord, muscle
Dendrites transmit impulse cell body and axon transmit impulse cell body.
(b) towards, away from
The outer most of the three cranial meninges is
There are pairs of cranial nerves and pairs of spinal nerves.
(a) 12, 31
The neurons which carries impulse from the central nervous system to the muscle fibre.
(c) efferent neuron
Which nervous band connects the two cerebral hemispheres of brain?
(c) corpus callosum
Node of Ranvier is found in
Vomiting centre is located in
(a) medulla oblongata
Nerve cells do not possess
A person who met with an accident lost control of body temperature, water balance, and hunger. Which of the following part of brain is supposed to be damaged?
_____ is the longest cell in our body.
Impulses travels rapidly in______ neurons.
Myelin sheath of
A change in the environment that causes an animal to react is called _____
______ carries the impulse towards the cell body.
The two antagonistic component of autonomic nervous system are_______ and _____
Sympathetic nerves, para sympathetic nerves
A neuron contains all cell organelles except_____
_____maintains the constant pressure inside the cranium.
Cerebro spinal fluid
_____and ______ increases the surface area of cerebrum
The part of human brain which acts as relay center is ______
Peripheral Nervous system
Dendrons are the longest fibres that conducts impulses away from the cell body.
FALSE (Axons are the longest fibres that conducts impulses away from the cell body.)
Sympathetic nervous system is a part of central nervous system.
FALSE (Sympathetic nervous system is a part of autonomous nervous system.)
Hypothalamus is the thermoregulatory centre of human body.
Cerebrum controls the voluntary actions of our body.
FALSE ( Cerebellum controls the voluntary actions of our body.)
In the central nervous system myelinated fibres form the white matter.
All the nerves in the body are covered and protected by meninges.
FALSE (Brain and spinal cord are covered and protected by meninges.)
Cerebrospinal fluid provides nutrition to brain.
Reflex arc allows the rapid response of the body to a stimulus.
Pons helps in regulating respiration.
(A): Cerebrospinal fluid is present throughout the central nervous system.. (R): Cerebrospinal fluid has no such functions.
a. Assertion is correct and reason is wrong
(A): Corpus callosum is present in space between the duramater and piamater... (R): It serves to maintain the constant intracranial pressure
d. Both assertion and reason are wrong
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