All the following cranial nerves contain preganglionic parasympathetic fibers except:

1. oculomotor (III)

2. vagus (X)

3. optic (II)

4. glossopharyngeal (IX)

Subtopic:  Autonomic Nervous System (OLD NCERT) |
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Both sympathetic and parasympathetic divisions of ANS innervate SA node. Their actions on SA node can be called as:

1. antagonistic

2. complementary

3. synergistic

4. additive

Subtopic:  Autonomic Nervous System (OLD NCERT) |
 60%
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Identify the tissue that receives only sympathetic innervations:

1. lung

2. most blood vessels

3. heart

4. small intestine

Subtopic:  Autonomic Nervous System (OLD NCERT) |
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The "fight or flight" response is associated with:

1. parasympathetic division

2. sympathetic division

3. somatic motor nervous system

4. central nervous system

Subtopic:  Autonomic Nervous System (OLD NCERT) |
 63%
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In the internal ear, perilymph is found in the:

1. utriculus

2. semicircular canals

3. scala media

4. scala vestibuli

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 61%
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Linear accelerations and head-tilts in the horizontal plane are detected by:

1. utricle

2. semicircular canals

3. organ of Corti

4. saccule

Subtopic:  Inner Ear: Vestibular Apparatus (OLD NCERT) |
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An age-related condition when the eye's lens doesn't change shape as easily as it once did [Presbyopia] is usually caused by:
1. decreasing the flexibility of the lens
2. an eyeball that is slightly too short
3. an eyeball that is slightly too long
4. a cornea with asymmetric curvature

Subtopic:  Huma Eye: Accommodation (OLD NCERT) |
 73%
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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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