300+ TOP Anesthesiology Objective Questions and Answers

ANESTHESIOLOGY Multiple Choice Questions :-

1.Local anesthetic causing Methaemoglobinaemia
A. Lignocaine
B. Prilocaine
C. Bupivacaine
D. All of the above

Answer: B

2.Which of the following anesthetic have half life more than 2hrs?
A. Bupivacaine
B. Lignocaine
C. Mepivacaine
D. Etidocaine
e) Chlorprocaine

Answer: A

3.Bier block is used for
A. Sub arachnoid block
B. IV regional block
C. Extradural block
D. Local anesthesia

Answer: B

4.During epidural analgesia the following points suggests that needle is in the extradural space
A. Loss of resistance sign
B. Negative pressure sign
C. Mackintosh extradural space indicator
D. All of the above

Answer: D

5.Epidural block is indicated in all except:
A. Patients in hypovolemia
B. Patients with asthma and bronchitis
C. Post-operative pain relief
D. Obstetric analgesia

Answer: A

6.Epidural anesthesia is preferred to spinal anesthesia because
A. Hypotension is absent
B. Dura is not penetrated
C. Low dose of anesthetic is used
D. Level of block easily changed

Answer: B

7.Hypersensitive xylocaine used for spinal anesthesia means
A. 5% xylocaine
B. 2% xylocaine with adrenaline
C. 2% xylocaine with dextran
D. 2% xylocaine

Answer: A

8.Post-spinal headache is prevented by
A. Use of thinner needle
B. NS AIDs
C. Preanaesthetic medication
D. Plenty of oral fluids

Answer: A

9.Lignocaine can be used in all except
A. Ventricular fibrillation
B. Spinal anaesthesia
C. Epidural anaesthesia
D. Convulsions

Answer: D

10.Local anesthetic with vasoconstrictor effect
A. Procaine
B. Cocaine
C.Lidocaine
D.Dubicaine

Answer: B

12.Black tongue, black teeth, visual and tactile hallucinations seen in poisoning due to
A. Opium
B. Heroin
C. Cocaine
D. Cannabis

Answer: C

13.Longest acting local anesthetic solution is
A. Lignocaine
B. Chlorprocaine
C. Amethocaine
D. Bupivacaine

Answer: D

14.Post spinal headache can be prevented by
A. Preventing fall of blood pressure
B. Encouraging early ambulation
C. Weaker solution of local anesthetic
D. Finer lumbar puncture needle

Answer: D

15.The following statements about Bupivacaine are true except
A. Must never be injected into a vein
B. More cardiotoxic than Lignocaine
C. 0.25 percent is effective for sensory block

Answer: C

16.The effect of spinal anesthesia on bowels includes
A. Increased peristalsis
B. Contraction
C. Dilatation
D. Atony

Answer: B

17.All are Amide linked Local anesthetics except
A. Procaine
B. Bupivacaine
C.Lidocaine
D.Dibucaine

Answer: A

18.Percentage of xylocaine used in spinal anesthesia
A.1%
B.2%
C.4%
D.0.5%
e)0.5%

Answer: D

19.Extradural anesthesia decreases risk of
A. Headache
B. Hypotension
C. Meningitis
D. Arachnoiditis

Answer: A

20.The complication seen more often in Epidural anesthesia is
A. Hypotension
B. Headache
C. Urinary retention
D. Meningitis

Answer: C

21.The first of the following to be blocked in spinal anesthesia includes
A. Pre-ganglionic sympathetic fibers
B. Sensory fibers
C. Motor fibers
D. Fibers carrying proprioceptive sensation

Answer: A

22.Spinal anesthesia is preferred in lower abdominal surgeries because it:
A. Gives deep analgesia
B. Gives good relaxation of abdominal muscles
C. Shrinks intestines so that other viscera are seen well
D. Patient is conscious and co-operative

Answer: C

23.The pathway to be blocked earliest in spinal anesthesia is
A. Autonomic
B. Motor fibers
C. Fine sensory fibers
D. Coarse sensory fibers

Answer: A

24.All of the following are effective topically except
A. Procaine
B. Cocaine
C.Lidocaine
D. Amefhocaine

Answer: A

26.The site of action of an intra thecal narcotics is the
A. Axonal membrane
B. Dorsal horn of the spinal cord
C. Ventral horn of the spinal cord
D. Opiate receptors within the brain

Answer: B

27.The local anesthetic which is not useful for tropical use
A. Procaine
B. Xylocaine
C.Prilocaine
D. Cocaine

Answer: A

28.Epidural analgesia is suitable for
A. Analgesia in a patient with fractured ribs
B.Trans-urethral resection of the prostrate gland
C. Intra-operative and post-operative pain relief in cholecystectomy
D. All of the above

Answer: D

29.Post spinal hypotension all are true except
A. Paralysis of nerve supply from Tl -L2
B. Leakage of CSF through puncture site
C. Trendelenberg position is good
D. Elevation of lower limbs without head low position is useful

Answer: A

30.Which of the following is an ester linked local anesthesia?
A. Cocaine
B. Lidocaine
C. Bupivacaine
D. Dubicaine

Answer: A

31. The administration of local anesthesia may result in the following except
A. Tachycardia
B. Vasodilatation
C. Myocardial depression
D. Seizures

Answer: A

32.Shortest acting local anesthetic
A. Procaine
B. Xylocaine
C. Bupivacaine
D.Chloprocaine

Answer: D

33.Local anesthetics act by
A. Forming area of nerve block along a neuron
B. Binding to calcium receptor on nerve membrane
C. Blocking calcium channels of nerve membrane
D. Inhibiting the sodium pump

Answer: D

34.Subarachnoid block as anesthesia is contraindicated in
A. Diabetic gangrene
B. Burgers disease
C. Atherosclerotic gangrene
D. Full stomach
E. Hemophilia

Answer: E

35.All are vasodilator except
A. Procaine
B.Lidocaine
C. Cocaine
D. Chlorprocaine

Answer: C

36.Epidural narcotic is preferred over epidural LA because it causes
A. Less respiratory depression
B. No retention of urine
C. No motor paralysis
D. Less dose required

Answer: C

37.Last to recover in spinal anesthesia is
A. Pain
B. Motor
C. Proprioception
D. Pre-ganglionic sympathetic fibers

Answer: D

38.Cranial nerve not involved in spinal anesthesia
A. 1 st and 10th
B. 3rd and 6th
C. 2nd and 4th
D. 7th and 8th

Answer: A

39.A local anesthetic that is ineffective topically is:
A. Cocaine
B. Mepivacaine
C. xylocaine
D. Lidocaine
e) Tetracaine

Answer: B

40.Which of the following local anesthetic is more safe in surface and infiltrating anesthesia
A. Procaine
B. Cocaine
C. Lidocaine
D. Amethocaine

Answer: C

41.Side effects of lignocaine are all except
A. Sedation
B. Vomiting
C. Convulsion
D. Tinnitus

Answer: A

42.All are pierced in Lumbar Puncture except
A. Post longitudinal ligament
B. Ligamentum Flavum
C. Interspinous Ligament
D. Supraspinous ligament

Answer: A

43.The most common complication in spinal anesthesia is
A. Post spinal headache
B. Hypotension
C. Meningitis
D. Arrhythmia

Answer: B

44.An increased dose of spinal anesthetic is indicated in a patient who has
A. Ascites
B. Increased height of the patient
C. Is pregnant
D. Obese

Answer: B

45.All are surface anesthetics except
A. Lignocaine
B. Bupivacaine
C. Procaine
D. Cinchocaine

Answer: B

46.aximum dose of xylocaine for local anaesthesia
A.200mg
B.250mg
C.300mg
D.650mg
e)700mg

Answer: A

47.Epidural space lies between
A. Pia and arachnoid
B. Dura and arachnoid
C. Dura and vertebral column
D. Pia mater and grey mater

Answer: C

48.Commonest Cranial nerve affected in spinal anaesthesia
A. 2nd
B. 3rd
C. 4th
D. 6th
e) 10th

Answer: D

49.Cauda Equina syndrome can be caused by *
A. Spinal anaesthesia
B. Epidural anaesthesia
C. Both
D. None

Answer: A

50.Index of potency of general anesthesia
A. Minimum alveolar concentration
B. Diffusion coefficient
C. Deed space concentration
D. Alveolar blood concentration + blood concentration

Answer: A

ANESTHESIALOGY Objective Questions with Answers

51.Thiopentone if injected accidentally into an artery, the first symptom is:
A. Analgesia
B. Pain
C. Paralysis
D. Skin ulceration

Answer: B

52.Loss of pharyngeal reflex is more with which anaesthetic?
A. Isoflurane
B. Ketamine
C. N20/02/Narcotic
D. None of the above

Answer: A

55.Highest analgesic effect is a feature of
A. Ketamine
B. Thiopentone
C. Propofur
D. Ethomidate
Answer: A

56.Treatment of inadvertent injection of pentothal intra arterially
A. Injection of procaine into the artery
B. Papavarine intra arterially
C. Heparin IV
D. Stellate ganglion block
E. All of the above
Answer: E

57.Succinyl choline is short acting due to
A. Rapid excretion
B. Poor absorption
C. Rapid hydrolysis
D. None
Answer: C

58.All are true regarding Halothane except
A. Non-inflammable
B. Boils at 50 C
C. It is stable when exposed to light
D. Heavy, colorless with characteristic sweet odour
Answer: C

59.Best Uterine relaxation is seen with
A. Chloroform
B. Nitrous Oxide
C.Ether
D.Halothne
Answer: D

60.The d-tubocurarine acts at
A. Myoneural junction
B. Pre-synoptic of parasympathetic nerves
C. Post-synoptic of parasympathetic nerves
D. Post-synoptic of sympathetic nerves
Answer: A

62.Which of the following is eliminated by Hoffmann elimination
A. Althesin
B. D-tubocurarine
C. Pancuronium
D. Atracurium
Answer: D

63.Mechanism of action of D-tubocurarine is
A. Depolarizing
B. Non-depolarizing
C. Blockage of sodium channels
D. Blockage of potassium influx
Answer: B

64.Which of the following anesthetic agent sensitizes the heart to adrenaline
A. Halothane
B. Enflurane
C. Isotherane
D. Nitrous oxide

Answer: A

65.Definitive sign of plane 1 of anaesthesia is
A. Fixation of eyeball
B. Papillary dilatation
C. Blurring of vision
D. Intercostal paralysis

Answer: A

66.Which of the following anaesthetic agents has been superseded because of cardiotoxicity
A. cyclopropane
B. Halothane
C. Chloroform
D. Diethyl ether

Answer: C

67.The following is a steroidal anesthetic agent
A. Althesin
B. Propanidid
C. Methohexitone
D. Di-isoprophyl

Answer: A

68.Ketamine causes all except:
A. Potent analgesic effect
B. Muscle relaxation
C. Completely excreted by liver
D. Used in hypotension

Answer: B

69.Intubation dose of pancuronium is
A.0.02mg/kg
B.0.06mg/kg
C.0.08mg/kg
D.1.2mg/kg

Answer: C

70.Which of the following anesthetics can be self-administered by the patient during labor
A. Trichloroethylene
B. Ethyl chloride
C. Halothane
D. Enflurane

Answer: A

71.Not an intravenous anaesthetic
A. Etomidate
B. Thiopentone
C. Ketamine
D. Cyclopropane

Answer: D

72.One of the following causes delirium during recovery phase:
A.Ketamine
B. Thipentone sodium
C. Halothane
D. Cyclopropane

Answer: A

73.Best analgesic is
A. Ether
B. Halothane
C. Trilene
D. Chloroform

Answer: A

74.The most common cause of death of mother undergoing emergency caesarean section when general anaesthesia is being administered is
A. Over dose of inhalational anaesthetic agent
B. Circulatory failure
C. Acid aspiration of stomach contents into the lungs
D. Renal failure

Answer: C

75.The activity of muscles of eyeball during ether anaesthesia is well marked
A. Stage I
B. Stage II
C. Stage III
D. Stage IV

Answer: A

76.Regarding halothane, the correct statement is
A. Large range of safety
B. Maintenance of anaesthesia
C. Does not cause arrhythmias
D. Can be given in hepatitis patients

Answer: B

77.Anesthetic agent that predisposes to maximum arrhythmias
A.Isoflurane
B. Enflurane
C. Halothane
D. Ether

Answer: C

78.The following has the most potent analgesic action
A. Chloroform
B.Halothane
C. Diethyl ether
D. Trichloroethylene

Answer: D

80.In which of the following is thiopentone contra indicated
A. Head injury
B. Retinal Surgery
C. Diabetes
D. Porphyri

Answer: D

81.Color of Halothane cylinder is
A. Red
B. Purple
C. White
D. green

Answer: A

82.Shortest acting muscle relaxant
A. Pancuronium
B. Atraurium
C. Mivacuriun
D. vecuonium

Answer: C

83.Phase II blocker is
A. Suxamethonium
B. Atracuronium
C. DTC
D. Pancuronium

Answer: A

84.Dose of ketamine by IV Route is
A. 0.5 mg/kg
B. 1 mg/kg
C. 2 mg/kg
D. 5mg/kg

Answer: C

85.The following are muscle relaxants except
A. Decamethonium
B. Suxamethonium
C. Hexamethonium
D. Pancuronium

Answer: C

86.The reversal of neuromuscular blockade with d-TC is done with
A. Scoline
B. Neostigmine
C. Atropine
D. Dantrolene

Answer: B

87.Reversal of muscle relaxation is needed for the following
A. Pancuronium and curare
B. Succinyl choline
C. Both
D. none

Answer: A

88.Depolarizing agents are associated with all of the following, except
A. Muscle fasciculation’s preceding the onset of block
B. Absence of post tetanic potentiation
C. Potentiation of block by anticholinesterases
D. Reversal by anticholinesterases

Answer: D

89.Thiopentone is used for induction anesthesia, because it is
A. Smooth induction
B. Rapidly redistributed
C. Easy to administer
D. Easy to monitor

Answer: A

90.Maximum emesis causing anaesthetic
A. N20
B. Diethyl ether
C. Chloroform
D. Thiopental

Answer: C

91.Liver damage can be induced by
A. Halothane
B. Ether
C. Trilene
D. Nitrous oxide

Answer: A

92.Muscle relaxant contra indicated in CRF
A. Gallamine
B. Succinyl choline
C. Tubocurare
D. Pancuronium

Answer: A

93. Neuromuscular blocker used in hepatic and renal failure
A. Scoline
B. Tubocurarin
C. Decamethonium
D. Atracuronium

Answer: D

94.Tubocurarine action is easily reversed! by
A. Atropine
B. Neostigmine
C. Edrophonium
D. Galathamin

Answer: B

95.All are seen in ketamine anesthesia except
A. Hypertension
B. Hallucinations
C. Bronchospasm
D. Analgesia

Answer: C

97.Colour of Nitrous oxide cylinder is
A. Grey
B. French Blue
C. Black
D. Black with white arms

Answer: B

98.An anaesthetic agent with boiling temperature more than 75 C is:
A. Ether
B. Halothane
C. Cyclopropane
D. Methoxyfluorane

Answer: D

99.The following antagonize the visceral side effects of neostigmine used in eversal of DTC blockade
A. Atropine
B. Nicotine
C. Pilocarpine
D. Pyridostigmine

Answer: A

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