Stimulation of the sympathetic part of the autonomic nervous system is responsible for

A Constriction of the pylorus
B Secretion of the sweat glands
C Contraction of the smooth muscles of the male genital tract
D Emptying of the urinary bladder
E Contraction of the bronchial smooth muscles

Correct Answer: Constriction of the pylorus, Secretion of the sweat glands, Contraction of the smooth muscles of the male genital tract

Bissoy MCQ
#Basic Science #MD #Paediatric #Physiology #Nervous physiology #Autonomic nervous system

Related Questions

In the autonomic nervous system
A All preganglionic neurons are located in the central nervous system
B A preganglionic neuron is always cholinergic.
C The preganglionic fibres always end in the sympathetic chain.
D All postganglionic neurons are located in the peripheral nervous system.
E The white rami communicantes are formed by postganglionic fibers.
About autonomic nervous system
A Postganglionic neurons are largely unmyelinated
B All preganglionic neurons are cholinergic
C Preganglionic neurons of the sympathetic system are shorter than the para sympathetic system
D Parasympathetic outflow is only found in the cranial nerves
E Sympathetic preganglionic neurons leave spinal cord via dorsal roots of spinal nerves T1-L3
Sympathetic vasoconstrictor tone decreases due to increased stimulation of
A Aortic arch baroreceptors
B Carotid sinus receptors
C Pain nerve endings
D Carotid body receptors
E Aortic body receptors
The following anaesthetic agents cause direct sympathetic stimulation
A Ketamine
B Seroflurane
C Desflurane
D Halothane
E Isoflurane
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
Autonomic ganglion are :
A Cholinergic
B Dopaminergic
C Adrenergic
D Noradrenergic
Autonomic receptors mediate secretion of epinephrine by the adrenal medulla are
A Cholinergic nicotinic receptors
B Adrenergic receptors
C Adrenergic β¬1 receptors
D Adrenergic β2 receptors
E Cholinergic muscarine receptors
The thoracic sympathetic trunk
A Lies infront of the neck of the ribs
B Provides all the splanchnic nerves
C Possesses eleven ganglia
D Has no direct communication with the lumbar sympathetic trunk
E Is independent of the thoracic spinal nerves
Damage to the sympathetic nerves from the thoracolumbar outflow T11 to L2 will disturb the function-
A Detrusor muscle
B Bladder neck
C Trigone
D Seminal vesicles
E External sphincter
Cutting the sympathetic nerves to the urinary bladder may cause
A Loss of tone in intemal sphincter
B Loss of pain sensation in bladder
C Over active bladder
D Difficulty in-emptying the bladder
E Increase in bladder capacity

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