Neurotransmitters
- Previous year questions on Neurotransmitters 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.
- 9 live questions in Neurotransmitters.
- 1 of 9 questions carries a verified exam year: 2018.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 19 Aug 2026.
Q1.52 yrs male presented with muscular stiffness and painful cramps. The face was drawn into a forced grimace ("sardonic grin," or risus sardonicus). Strychnine Poisoning was suspected; Strychnine is supposed to antagonize competitively
- AGlycine✓ Correct answer
- BGlutamate
- CSuccinyl choline
- DAcetyl choline
Q2.What is true statement of the following?
- ASynaptic transmission is unidirectional
- BGlutamate is the major excitatory neurotransmitter in the nervous system
- CGABA and glycine are the major inhibitory neurotransmitters
- DAll of above✓ Correct answer
Q3.Serotonin is also known as?
- A5-hydroxytryptamine (5-HT)✓ Correct answer
- BN-methyl phenylamine
- C3-Methoxytyramine
- DPhenethylamine
Q4.The basal forebrain nuclei and the pedunculopontine nuclei are similar in that neurons within them
- AAre major inputs to the striatum
- BReceive innervation from the cingulate gyrus
- CProcess information related to language construction
- DUtilize acetylcholine as their neurotransmitter✓ Correct answer
Q5.All except one are inhibitory neurotransmitters
- AAcetylcholine
- BGlutamate✓ Correct answer
- CNorepinephrine
- DGlycine
Q6.The amino acid derived neurotransmitter used for treating depression is
- ASerotonin✓ Correct answer
- BHistamine
- CAch
Q7.Which class of neurotransmitter would be most affected by a toxin that disrupted microtubules within neurons?
- AAmino acid transmitters
- BCatecholamine transmitters
- CMembrane-soluble transmitters
- DPeptide transmitters✓ Correct answer
Q8.Persons with mild cognitive impairments who smoke may experience a worsening of symptoms if they stop smoking. This worsening of symptoms is because nicotine acts as an agonist for receptors of a particular neurotransmitter. That neurotransmitter is
- AAcetylcholine✓ Correct answer
- BDopamine
- CNeuropeptide Y
- DNitric oxide
Q9.DOPA and 5 - Hydroxytryptophan are clinically important because
- AThey cross Blood Brain Barriers✓ Correct answer
- BThey are acidic precursors of Brain amines
- CThey act as neuromodulators
- DThey are metabolites of various neurogenic amines
Answer key
Q1: A. Glycine; Q2: D. All of above; Q3: A. 5-hydroxytryptamine (5-HT); Q4: D. Utilize acetylcholine as their neurotransmitter; Q5: B. Glutamate; Q6: A. Serotonin; Q7: D. Peptide transmitters; Q8: A. Acetylcholine; Q9: A. They cross Blood Brain Barriers.
Other topics in Physiology
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- Receptors and Intracellular Signalling
- Membrane Transport Mechanisms
- Resting and Action Membrane Potentials
- Body Fluid Compartments
- Blood Composition, Hemostasis and Blood Groups
- Nerve Conduction and Excitability
- Skeletal Muscle: Structure and Excitation-Contraction Coupling
- Smooth and Cardiac Muscle Mechanics
- Synaptic and Neuromuscular Transmission
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- Ascending Somatosensory Tracts
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- Motor Control: Spinal Reflexes and Lower Motor Neurons
- Motor Control: Descending Pathways and Cortical Control
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- Autonomic Nervous System
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