Autonomic Nervous System
- Previous year questions on Autonomic Nervous System for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 44 live questions in Autonomic Nervous System.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.In the presence of a drug that blocks all effects of norepinephrine and epinephrine on the heart, the autonomic nervous system can
- ARaise the heart rate above its intrinsic rate
- BLower the heart rate below its intrinsic rate✓ Correct answer
- CRaise and lower the heart rate above and below its intrinsic rate
- DNeither raise nor lower the heart rate from its intrinsic rate
Q2.All of the following are seen in the Horner's syndrome, except
- ADrooping of upper eyelid
- BEnophthalmos
- CDilated pupil✓ Correct answer
- DLoss of sweating of same side of face
Q3.Horner's syndrome is characterized by the following except
- APtosis
- BMiosis
- CHeterochromia iridis
- DApparent exophthalmos✓ Correct answer
Q4.Postural orthostatic tachycardia syndrome is characterised by all except?
- AWomen affected more commonly than men
- BHeart rate > 120/minute
- CIncrease in heart rate > 30/minute when standing
- DUsually presents with orthostatic hypotension✓ Correct answer
Q5.Synaptic transmission in autonomic ganglia is
- AAdrenergic
- BPeptidergic
- CCholinergic✓ Correct answer
- DMediated by substance P
Q6.Centre of activity of autonomic nervous system is:
- AMidbrain
- BCerebrum
- CHypothalamus✓ Correct answer
- DPons
Q7.Autonomic ganglion is mainly:
- ACholinergic✓ Correct answer
- BAdrenergic
- CDopaminergic
- DSerotonergic
Q8.Slow IPSP in autonomic ganglia is generated by: a) Nicotinic cholinergic b) Muscarinic cholinergic c) Dopamine d) GnRH e) Adrenaline
- Aa
- Bc
- Cac
- Dbc✓ Correct answer
Q9.Sympathetic postganglionic neurotransmitter in sweat gland
- AEpinephrine
- BNor- epinephrine
- CSerotonine
- DAcetylcholine✓ Correct answer
Q10.True about Galvanic Skin Response
- AIndicator of thermal sweating
- BBy sweating because of sweat has electrolytes✓ Correct answer
- CFall when sympathetic activity is high
- DFall is associated with yogic practice
Answer key
Q1: B. Lower the heart rate below its intrinsic rate; Q2: C. Dilated pupil; Q3: D. Apparent exophthalmos; Q4: D. Usually presents with orthostatic hypotension; Q5: C. Cholinergic; Q6: C. Hypothalamus; Q7: A. Cholinergic; Q8: D. bc; Q9: D. Acetylcholine; Q10: B. By sweating because of sweat has electrolytes.
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