Local Anaesthetics: Pharmacology and Properties
- Previous year questions on Local Anaesthetics: Pharmacology and Properties for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Anaesthesia 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 Local Anaesthetics: Pharmacology and Properties.
- 2 of 44 questions carry a verified exam year: 2017, 2018.
- Anaesthesia is worth about 6 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 19 Aug 2026.
Q1.Drug used to prolong the action of LA in Hypertensive pts
- AClonidine
- BFelypressin✓ Correct answer
- CDexmedetomidine
- DNoradrenalin
Q2.Fastest route of absorption of local anaesthetic is:
- AIntrapleural✓ Correct answer
- BEpidural
- CBrachial
- DCaudal
Q3.Concentration of adrenaline used with local anaesthetic
- A1:1,000
- B1:10,000
- C1:1,00000
- D1:2,00000✓ Correct answer
Q4.Toxic dose of lidocaine causes
- AIncrease salivation
- BMydriasis and diarrhea
- CRespiratory paralysis
- DSeizures✓ Correct answer
Q5.Local anesthetics act by :
- AAffecting at the spinal level
- BAffecting the Na+ channels✓ Correct answer
- CAffecting the K+channels
- DBlocking axonal transport
Q6.Local anaesthetic with maximum ionized form at physiological pH ?
- ALignocaine
- BEtidocaine
- CBupivacaine
- DChloroprocaine✓ Correct answer
Q7.Which of the following is an ester linked local anaesthesia –
- ACocaine✓ Correct answer
- BLidocaine
- CBupivacaine
- DDibucaine
Q8.Percentage of adrenaline with lignocaine for local infiltration is?
- A1:1000
- B1:10000
- C1:100
- D1:50000✓ Correct answer
Q9.Local anesthetic acts by:
- ABlocking sodium gated channel✓ Correct answer
- BBlocking calcium gated channel
- CBlocking potassium gated channel
- DBlocking chloride gated channel
Q10.LA acts on nerve membrane by:
- ABlocking conductance of Na+ from interior to exterior
- BBlocking conductance of Na+ from exterior to interior✓ Correct answer
- CBlocking conductance of K+ from interior to exterior
- DBlocking conductance of K+ from exterior to interior
Answer key
Q1: B. Felypressin; Q2: A. Intrapleural; Q3: D. 1:2,00000; Q4: D. Seizures; Q5: B. Affecting the Na+ channels; Q6: D. Chloroprocaine; Q7: A. Cocaine; Q8: D. 1:50000; Q9: A. Blocking sodium gated channel; Q10: B. Blocking conductance of Na+ from exterior to interior.
Other topics in Anaesthesia
- History and Ethics of Anaesthesia
- Preoperative Assessment of the Patient
- Intraoperative CNS and CVS Monitoring
- Respiratory Monitoring During Anaesthesia
- Devices for Airway Management
- Intubation
- Anaesthetic Breathing Circuits
- The Anaesthesia Machine and Workstation
- Basic and Paediatric Life Support (BLS and PALS)
- ACLS
- Ventilators and O2 Delivery Devices
- Depolarising Neuromuscular Blockers
- Non-Depolarising Neuromuscular Blockers
- Inhaled Anaesthetics: Basic Properties, N2O and Halothane
- Inhaled Anaesthetics: Fluorinated and Inert Agents with Therapeutic Gases
- Intravenous Anaesthesia: Barbiturates, Benzodiazepines and Propofol
- Intravenous Anaesthesia: Etomidate, Ketamine and Day-care Surgery
- Local Anaesthetics: Individual Agents
- Regional Anaesthesia: Methods and Approaches
- Regional Anaesthesia: Risks and Contraindications
- Peripheral Nerve Blockade
- Anaesthetic Implications of Coexisting Disease
- Anaesthesia in Paediatrics and Obstetrics
- Pain Management: Postoperative, Chronic and Cancer Pain
- Perioperative Anaesthetic Complications