In the resting state of neurons, diffusion due to concentration gradients, if allowed, would drive:
1. K+ into the cell
2. K+ and Naout of the cell
3. Na+ out of the cell
4. Na+ into the cell

Concept Questions :-

Origin of Resting Membrane Potential
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When we move from dark to light, we fail to see for some time but soon visibility becomes normal. It is:
1. Accommodation
2. Photoperiodism
3. Adaptation
4. Mutation

Concept Questions :-

Human Eye: Adaptation
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The myelin sheath in the CNS is synthesized by:

(1) Oligodendrocytes

(2) Astrocytess

(3) Schwann cells

(4) Microglia

Concept Questions :-

Neuroanatomy
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Unmyelinated nerve fiber is:
 
1. Not enclosed by a Schwann cell and hence
not enclosed by a myelin sheath
 
2. Enclosed by a Schwann cell that does not
form a myelin sheath
 
3. Not enclosed by a Schwann cell but enclosed
by a myelin sheath formed by oligodendrocytes
 
4. Not found in the autonomous and the
somatic neural system

Concept Questions :-

Neuroanatomy
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The brain stem does not include :
1. Mid brain 
2. Medulla oblongata
3. Pons varolii
4. Cerebellum 

Concept Questions :-

Neuroanatomy
Hind & Mid Brain
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Which of the following is a major coordinating center for sensory and motor signaling for the cerebrum?
1. Hypothalamus
2. Thalamus
3. Corpora quadrigemina
4. Amygdala

Concept Questions :-

Neuroanatomy
Diencephalon
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The sensory neuron enters the spinal cord through:
1. The dorsal root of the spinal nerve
2. The ventral root of the spinal nerve
3. Either dorsal or ventral root depending on the point of origin 
4. Both dorsal and ventral roots of the spinal nerves

Concept Questions :-

Motor Functionns of Spinal Cord
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From inside to outside the correct order of the following cells in the retina would be:
1. Ganglion cells - Photoreceptor cells - Bipolar cells
2. Ganglion cells - Bipolar cells - Photoreceptor cells
3. Bipolar cells - Photoreceptor cells - Ganglion cells
4. Photoreceptor cells - Ganglion cells - Bipolar cells

Concept Questions :-

Basic Anatomy of Human Eye: 1
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In the human eye, the visual acuity is highest at:

(1) Macula lutea

(2) Optic disc

(3) Fovea centralis

(4) Optic chiasma

Concept Questions :-

Human Eye: Adaptation
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Reissner's membrane separates
1. Scala vestibuli and Scala media
2. Tympanic cavity and Pharynx
3. Fenestra rotundus and Fenestra ovalis
4. Scala media and Scala tympani

Concept Questions :-

Inner Ear: Cochlea
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