Protein synthesis in neuron is carried out directly by:

1. cell body 2. neurofibrils
3. Nissl body 4. myelin sheath

Subtopic:  Neuroanatomy |
 74%
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The most common neurotransmitter in the body is:

1. serotonin

2. GABA

3. acetylcholine

4. adrenaline

Subtopic:  Action Potential |
 84%
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An opioid peptide produced in the brain, especially in the pituitary gland, that blocks the sensation of pain is:

1. substance P

2. beta-endorphin

3. nicotine

4. neuropeptide

Subtopic:  Diencephalon |
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The type of neuron seen in the retina of human eye are:

1. bipolar

2. unipolar

3. multipolar

4. sensory

Subtopic:  Basic Anatomy of Human Eye (OLD NCERT) |
 84%
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The peripheral nervous system in humans PNS consists of cranial nerves and:

1. spinal cord

2. sensory nerves

3. the brain

4. spinal nerves

Subtopic:  Nervous System |
 65%
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Blood brain barrier formation is the function of:

1. microglia

2. Schwann cell

3. astrocyte

4. oligodendrocytes

Subtopic:  Nervous System |
 54%
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The neuron in humans with many nerve fibers arising from its cell body and that carries impulses to the effectors would be called as:

1. multipolar 2. bipolar
3. unipolar and sensory 4. multipolar and motor
Subtopic:  Nervous System |
 64%
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The regulation of the composition of cerebrospinal fluid is the function of:

1. astrocytes

2. oligodendrocytes

3. microglia

4. ependyma

Subtopic:  Meninges, Ventricles & CSF |
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All the following statements regarding nerve impulse conduction are correct except:
1. Myelinated neurons have a higher conduction velocity than unmyelinated neurons.
2. Nerve impulses occur in an all-or-none manner.
3. The neuron cannot be stimulated during the depolarization phase.
4. The strength of impulses carried along a single nerve fiber can vary with the strength of their stimulus.

Subtopic:  Action Potential |
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The neurotransmitter responsible for sleep induction and mood stabilization is:
1. GABA
2. acetylcholine
3. serotonin
4. dopamine

Subtopic:  Action Potential |
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