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Neural Control And Coordination

224 Questions Start Allen Test
All Exams Allen
Q51 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Unidirectional transmission of a nerve impulse through synapse fibre is due to :ā€“
A.
Nerve fibre is insulated by a medullary sheath.
B.
Sodium pump starts operating only at the cyton and then continues into the nerve fibre.
C.
Neurotransmitters are released by dendrites and not by axon endings.
D.
Neurotransmitters are released by the axon endings and not by dendrites.
Q52 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Repolarisation of Neuron is occured due to:-
A.
Influx of Naāŗ
B.
Influx of Kāŗ
C.
Efflux of Naāŗ
D.
Efflux of Kāŗ
Q53 Allen 2. NERVE IMPULSE CONDUCTION MCQ
If GABA is released at synapse area then what will happens :-
A.
Depolarization of neuron
B.
Repolarization of neuron
C.
Hyperpolarization of neuron
D.
No effect
Q54 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Nerve impulse travel through synapse with the help of
A.
Acetylcholine and sympathetin
B.
Choline and acetylcholine
C.
Adrenaline and noradrenaline
D.
None of the above
Q55 Allen 2. NERVE IMPULSE CONDUCTION MCQ
A typical value of resting membrane potential is:
A.
ā€“40 mv
B.
ā€“60 mv
C.
ā€“70 mv
D.
ā€“80 mv
Q56 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Pre synaptic membrane is part of :
A.
Dendron
B.
Axon hillock
C.
Telodendria
D.
Soma
Q57 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Acetylcholinesterase enzyme splits acetylcholine into :
A.
Acetone and choline
B.
Acetic acid and choline
C.
Amino acid and choline
D.
Aspartic acid and acetylcholine
Q58 Allen 2. NERVE IMPULSE CONDUCTION MCQ
During nerve impulse conduction permeability of a membrane is greater for :
A.
Naāŗ
B.
Kāŗ
C.
Equal for both (1) and (2)
D.
CaāŗĀ²
Q59 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Acetylcholinesterase help in breaking :
A.
Synapse
B.
Acetylcholine
C.
Dendrites
D.
Axon
Q60 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Action potential of a nerve cell is generated by :
A.
Naāŗ
B.
Kāŗ
C.
Caāŗāŗ
D.
Clā»
Q61 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Connection between axon and dendrite is :
A.
Synapse
B.
Synapsis
C.
Desmosome
D.
Tight junction
Q62 Allen 2. NERVE IMPULSE CONDUCTION MCQ
During repolarisation of nerve :
A.
Kāŗ gates closes and Naāŗ gates opens
B.
Naāŗ channels are closed and Kāŗ channels are open
C.
Both gates remain open
D.
Both Kāŗ and Naāŗ gates are closed
Q63 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Which of the following diagram illustrates the distribution of Naāŗ and Kāŗ ions in a section of non-myelinated axon which is at resting potential?
A.
image.png
B.
image.png
C.
image.png
D.
image.png
Q64 Allen 2. NERVE IMPULSE CONDUCTION MCQ
The one way or unidirectional transmission of nerve cells is due to :
A.
Synapses
B.
Myelin sheath
C.
Membrane polarity
D.
Interneurons
Q65 Allen 2. NERVE IMPULSE CONDUCTION MCQ
The forebrain develops into-
A.
Diencephalon and Cerebrum
B.
Diencephalon and Cerebellum
C.
Diencephalon and Medulla
D.
Diencephalon and Pons
Q66 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Nerve impulse initiates with the movement of:
A.
Kāŗ
B.
Naāŗ
C.
Caāŗāŗ
D.
MgāŗĀ²
Q67 Allen 2. NERVE IMPULSE CONDUCTION MCQ
Naāŗ/Kāŗ pump in a cell is an example of ā€“
A.
Osmosis
B.
Diffusion
C.
Passive transport
D.
Active transport
Q68 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
Corpus callosum connects :-
A.
Two cerebral hemisphere
B.
Two optic lobes
C.
Two olfactory lobes
D.
Optic chiasma
Q69 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
Outer most covering of brain is called :-
A.
Choroid
B.
Duramater
C.
Piamater
D.
Arachnoid
Q70 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
The membrane which cover the brain and the spinal cord is :-
A.
White matter
B.
Grey matter
C.
Peritonium
D.
Menix
Q71 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
Cerebellum is concerned with :-
A.
Co-ordination of muscular movement
B.
Memory
C.
Vision
D.
Reflex action
Q72 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
Crura cerebri is located in :-
A.
Fore brain
B.
Hind brain
C.
Mid brain
D.
None
Q73 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
Piamater is :-
A.
Inner most meninge
B.
Middle meninge
C.
Outer meninge
D.
None
Q74 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
The box like bony structure which encloses the brain is called :-
A.
Cranium
B.
Pericardium
C.
Peritoneum
D.
Periosteum
Q75 Allen 3. STRUCTURE AND FUNCTION OF BRAIN MCQ
In brain crura cerebri is a structure made of :-
A.
Six bands of nerve fibres
B.
Eight bands of nerve fibres
C.
Two large bands of nerve fibres
D.
Four bands of nerve fibres