The nerve fibre in its resting stage is
more permeable to K+
semi-permeable to k+
less permeable to K+
All of these
If a motor nerve has a conduction velocity of 10 ms-1 how long will it take an action potential to reach a muscle 0.75m from the spinal cord?
75 m
1.07m
14m
1.4m
In a myelinated neuron, two adjacent myelin sheaths are separated by gaps called
nodes of Ranvier
synaptic cleft
Schwann cells
synaptic knob
Which is an example of conditioned reflex?
Your kneeing took up a stone than dog ran away
Eye closed when anything enters into it
Hand took up when piercing with needle
Digestive food goes forward in alimentary canal
The nerve centres which control the body temperature and the urge for eating are controlled by
hypothalamus
pons
cerebellum
thalamus
Alzheimer's disease in humans is associated with the deficiency of
dopamine
glutamic acid
acetylcholine
Gamma Amino Butyric Acid (GABA)
Which one of the following does not act as a neurotransmitter?
Acetylcholine
Epinephrine
Norepinephrine
Cortisone
Connection between axon and dendrite is
Synapse
Synapsis
desmosome
tight junction
Anterior choroid plexus is present on the
floor of diencephalon
cerebral hemispheres
roof of diencephalon
roof of medulla oblongata
Reflex action is controlled by
sympathetic nervous system
automatic nervous system
spinal cord
peripheral nervous system