Related Questions

Sympathetic and parasympathetic nervous systems act as physiological antagonists in following organs
A Urinary bladder
B Airways
C Cilliary muscles
D Heart
E Blood vessels
The vagus nerve provides the parasympathetic innervations to the
A Heart
B Small intestine
C Eye
D Salivary glands
E Urinary bladder
The following processes are brought about by activation of parasympathetic nerve fibers
A Defaecation
B Micturition
C Sweating
D Ejaculation of semen
E Dilatation of pupil
Cotton fiber is a -Fiber?
A Seed fiber
B leaf fiber
C best fiber
D fruit fiber
Sings of upper motor neuron lesion include all except:
A Loss of all reflexes
B Planter response extensor
C Weakness or paralysis of limb
D Hypertonia of muscles
Lower motor neuron lesions are characterized by
A Flaccidity
B Loss of tendon reflexes
C Wasting
D Spasticity
E Increased tendon reflexes
The postsynaptic neuron becomes fatigued after repeatative stimulation of an excitatory synapse at a rapid rate. This is due to
A Exhaustion of neurotransmitter store in presynaptic terminal
B Progressive inactivation of many postsynaptic receptors
C Slow development of abnormal concentration of ions in postsynaptic neurons
D Decrement of number of calcium channels of presynaptic terminal
E Increment of cholinesterase in synaptic cleft
Lower motor neuron involvement is characterized by
A Absent or decreased tendon reflexes
B Flaccid muscle tone
C Rapid onset of muscle wasting
D Clonus
E Weakness affecting the adductors more than the abductors of shoulder
Features of upper motor neuron lesion include
A Spasticity
B Exaggerated tendon reflexes
C Fasciculation
D Flaccidity
E Early muscle wasting
Clinical signs of lower motor neuron lesions are
A Flaccid type
B Loss of reflexes of muscles supplied
C Lengthening of the affected muscles
D Muscular fibrillations
E Hypertrophy of muscles

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