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Which of the following is not an effect of the sympathetic nervous system?
Option: 1
Dilation of pupil
Option: 2
Inhibition of peristalsis
Option: 3
Elevation of blood pressure
Option: 4
Stimulation of saliva secretion
Answers (1)
As we have learnt:
Comparison Between Sympathetic and Parasympathetic Neural System -
| Structure | Sympathetic | Parasympathetic |
| Eye (Pupil) | Dilation | Constriction |
| Nasal mucosa | mucus reduction | Mucus increased |
| Salivary glands | Saliva reduction | Saliva increased |
| Heart | Rate reduced | Rate increased |
| Arteries | Constriction | Dilation |
| Lung | Bronchial muscle relaxation | Bronchial muscle contraction |
| Gastrointestinal tract | Decreased motility | Increased motility |
| Liver | Conversion of glycogen to glucose increased | Glycogen synthesis |
| Kidney | Decreased urine | Increased urine |
| Bladder | Contraction of sphincter | Relaxation of sphincter |
| Sweat glands | Sweat | No change |
Stimulation of saliva secretion is an effect of parasympathetic nervous system
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