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  •  Which of the following results from activation of sympathetic nervous system?  Option: 1 Pupil dil

 Which of the following results from activation of sympathetic nervous system?

 

Option: 1

Pupil dilation

 


Option: 2

Trachea dilation

 


Option: 3

Vasodilation in brain

 


Option: 4

All of the above

 


Answers (1)

best_answer

 

 

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 

 

- 

 

Pupil dilation, trachea dilation and vasodilation in the brain, all are due to activation of the sympathetic nervous system

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