Q. No.The autonomic division of the peripheral nervous system does not innervate:
1. visceral organs
2. exocrine glands
3. skeletal muscle
4. endocrine glands
Identify the correct statement regarding parasympathetic neurons:
1. They for the thoraco-lumbar outflow.
2. They emerge from the brain and sacral regions.
3. The preganglionic neurons are shorter.
4. They may have ganglia located along the spinal cord.
Which of the following statements about parasympathetic neurons is true?
1. The nerve fibers are contained in spinal nerves.
2. They synapse in terminal ganglia, either next to or within the organs innervated.
3. They originate in thoracic and lumbar regions of the spinal cord.
4. Postganglionic fibers are usually longer than those of sympathetic neurons.
All the following cranial nerves contain preganglionic parasympathetic fibers except:
1. oculomotor (III)
2. vagus (X)
3. optic (II)
4. glossopharyngeal (IX)
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
Identify the tissue that receives only sympathetic innervations:
1. lung
2. most blood vessels
3. heart
4. small intestine
The "fight or flight" response is associated with:
1. parasympathetic division
2. sympathetic division
3. somatic motor nervous system
4. central nervous system
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In the internal ear, perilymph is found in the:
1. utriculus
2. semicircular canals
3. scala media
4. scala vestibuli
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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
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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
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