Which of the following is a correct statement about the structure of a multipolar neuron?
1. Neurons contain a single axon and several dendrites.
2. Neurons do not have a nucleus in the cell body.
3. The axon transmits electrical signals towards the cell body.
4. Dendrites do not play a role in signal reception.
Subtopic:  Neuroanatomy |
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Level 1: 80%+
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Assertion (A): Neurons are excitable.
Reason (R): The membrane of neurons is in a polarised state.

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Neuroanatomy |
 88%
Level 1: 80%+
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Most of the neuron cytoplasm is located in the
1.  cell body
2.  axon
3. dendrites
4. synaptic terminals
 
Subtopic:  Neuroanatomy |
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Consider the given two statements:
Assertion (A): The myelin sheath increases the speed of nerve impulse conduction.
Reason (R): The myelin sheath acts as an insulator and allows saltatory conduction of nerve impulses.
 
1. Both (A) and (R) are True and (R) correctly explains (A)
2. Both (A) and (R) are True but (R) does not correctly explain (A)
3. (A) is True but (R) is False
4. Both (A) and (R) are False
Subtopic:  Neuroanatomy |
 84%
Level 1: 80%+
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Assertion (A): Corpus  callosum connects the two cerebral hemispheres
Reason (R): Association area are responsible for complex functions like intersensory association, memory and communication
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Neuroanatomy |
 87%
Level 1: 80%+
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The structure marked as X in the following diagram showing sagittal section of the human brain would be:

              

 
1. Corpora quadrigemina
2. Limbic system
3. Corpus callosum
4. Hippocampal gyrus
Subtopic:  Neuroanatomy |
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Level 1: 80%+
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Arrange the given layers in the order of their occurrence as the doctor cuts through the skull to reach the brain:
a. Pia mater
b. Dura mater
c. Arachnoid mater
1. b → a → c
2. b → c → a
3. a → b → c
4. c → a → b
Subtopic:  Nervous System | Neuroanatomy |
 87%
Level 1: 80%+
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The human brain is protected by
 
1. meninges, cerebrospinal fluid, and skull bones
2. meninges and skull bones only
3. dura mater and fourth ventricle
4. pia mater and skull bones
Subtopic:  Neuroanatomy |
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Level 1: 80%+
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 In the given diagram, identify A , B and C 
 
A B C
1. Cerebellum Medulla Pons
2. Cerebrum Medulla Pons
3. Cerebrum Pons Olfactory lobe
4. Corpus callosum Cerebrum Medulla
Subtopic:  Neuroanatomy |
 79%
Level 2: 60%+
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