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31 questions
where is multipolar neuron found
embryonic stage
retina of eye
cerebral cortex
all the above
which of the following statement is true
myelinated nerve fibres are found in autonomic and somatic neural system
the myelinated nerve fibres have Schwann cells but the unmyelinated do not
both the myelinated and unmyelinated nerve fibres have Schwann cells but the Schwann cells of unmyelinated do not form myelin sheath
choose the correct option about the axoplasm when axon is in resting state
high concentration of K+
low concentration of Na+
low concentration of negative proteins
high concentration of Na+
low concentration of K+
The ionic gradient across the resting membrane are maintained by
facilitated diffusion
active transport
passive diffusion
selective facilitated diffusion
the movement of ions inside and outside the axon is done by
by Na+ & K+ pump of 3 Na+ inside and 2K+ outside
by Na+ & K+ pump of 2Na+ outside and 3K+ inside
by Na+ & K+ pump of 3 Na+ outside and 2K+ inside
by Na+ & K+ pump of 2Na+ inside and 3K+ outside
the electrical potential difference across the plasma membrane is called
resting potential
action potential
nerve impulse
both action potential and nerve impulse
synapse include which of the following
pre-synaptic neuron
post-synaptic neuron
synaptic cleft
all the above
which of the following statement about synaptic cleft is wrong
fluid- filled space
present between pre & post synaptic neurons
generates action potential
none of the above
released neuro transmitters bind to ______ present on _______
receptors, pre-synaptic neuron
receptors, post-synaptic neurons
ligands, pre-synaptic neurons
ligands, post-synaptic neurons
what is the correct arrangement of layers from outer to inner
pia mater--- dura mater--- arachnoid mater
dura mater--- pia mater--- arachnoid mater
arachnoid mater--- dura mater--- pia mater
dura mater--- arachnoid mater--- pia mater
fore brain consists of
layer of cells which covers cerebral hemisphere is called
hind brain consists of
which is the major part of human brain
cerebellum
cerebrum
mid brain
corpus collosum
large regions that are neither sensory nor motor are called
hypothalamus lies at the base of
cerebrum
thalamus
cerebellum
pons
limbic lobe/limbic system are formed by
inner part of cerebral hemisphere
amygdala
hippocampus
all the above
which canal passes through the mid brain
corpora quadrigemina
cerebral aqueduct
ependymal canal
central canal
medulla doesn't control which of the following
respiration
secretions
cardiovascular reflexes
motivation
what is the anterior portion of sclera called _____
what are the 3 layers of cells of retina from inside to outside
what is the color of layer coroid
red
opaque
blue
white
which is not a function of cones
color vision
photopic vision
scotopic vision
day light vision
rods contain purplish protein called
membranous labyrinth is surrounded by fluid called
membranous labyrinth is filled with fluid called
the space within the cochlea is called
Scala vestibuli
Scala tympani
Scala media
Scala vestibuli ends at ______ window
Scala tympani ends at
round window
oval window
organ of corti is located on
tectorial membrane
reissner's membrane
basilar membrane
vestibular apparatus is located above
malleus
stapes
cochlea
tympani membrane
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