Mcq Subject: Anaesthesia

Most commonly used approach to brachial Plexus block?

A. Interscalene

B. Supraclavicular

C. Infraclavicular

D. Axillary

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All of the following are examples of definite airways, except:

A. Nasotracheal tube

B. Orotracheal tube

C. Laryngeal Mask airway

D. Cricothyroidotomy

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Pin code index of N2O is

A. 1,6

B. 2,5

C. 2,6

D. 3,5

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Shoest acting local anesthetic agent is

A. Procaine

B. Lidocaine

C. Tetracaine

D. Bupivacaine

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Anaesthetic circuit that prevents rebreathing of CO2 –

A. Magil's circuit

B. Mapleson D circuit

C. Ayre's piece

D. Circle system

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A patient with bilirubin value of 8mg/dl and serum creatinine of 1.9 mg/dl is planned for surgery. What is the muscle relaxant of choice in this patient?

A. Vecuronium

B. Pancuronium

C. Atracurium

D. Rocuronium

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Increased risk of cardio toxicity associated with local anesthetics requires a dose reduction in all of the following except

A. Pregnancy

B. Acidosis

C. Pediatric

D. Increased cardiac output

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All are true except –

A. Halothane is good analgesic agent

B. Halothane sensitize heart to catacholamines

C. Halothane relaxes bronchi

D. Halothane causes hepatitis and liver cell necrosis

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A 50 year old male is posted for elective laparoscopic cholecystectomy. No history of comorbidities. His surgery is scheduled at 2 PM on the day of surgery. Which of the following is against the ASA guidelines for preoperative fasting

A. Coffee at 5:30 AM

B. Orange juice at 7:30 AM

C. Pancakes at 10:00 AM

D. Water at 12:00 PM

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Lithium potentiates the action of non-depolarizing muscle relaxants. How many days before administration of the muscle relaxant should lithium be stopped?

A. 1

B. 2

C. 3

D. 4

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