Mcq Subject: Anaesthesia

Local anaesthesia acts by –

A. Na+channel inhibition

B. Ca++ channel inhibition

C. Mg++ channel inhibition

D. K+ channel inhibition

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A 32-year old male with no past medical history is brought to the emergency department after being injured in a bomb blast. On examination he is suspected to have a splenic injury and is supposed to undergo an emergency laparotomy. Which of the following is the ideal anaesthetic agent of choice?

A. Remifentanil

B. Morphine

C. Etomidate

D. Halothane

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Fastest route of absorption of local anaesthetic is

A. Intercostal

B. Epidural

C. Brachial

D. Caudal

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Nitrous oxide is contraindicated in all except

A. Vitreo-retinal surgeries

B. Pneumothorax

C. Mastectomy

D. Laser surgery

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Which of the following surgical incisions is associated with the highest risk of postoperative pulmonary complications ?

A. Vertical laparotomy

B. Horizontal laparotomy

C. Lateral thoracotomy

D. Median sternotomy

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A patient developed fasciculations when a muscle relaxant was administered for a surgery. Train of fasciculations is seen in:

A. Mivacurium

B. Succinylcholine

C. Baclofen

D. Gallamine

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Pain during injection occurs with all except –

A. Propofol

B. Thiopentone

C. Ketamine

D. Etomidate

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Anesthetic agent causing bradycardia are all EXCEPT:

A. Halothane

B. Isoflurane

C. Thiopentone

D. Ketamine

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Metabolism of amide local anesthetic is slowed in which of the following condition

A. Liver cirrhosis

B. Acute renal failure

C. Pseudocholinesterase deficiency

D. Chronic renal failure

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Which is not true about spinal anesthesia?

A. Useful for lower limb surgery

B. Produces complete sensory and motor paralysis below the level

C. Autonomic fibers are effected above the sensory level

D. It produces more hemodynamic alteration than epidural anesthesia

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