Mcq Subject: Anaesthesia

Local anesthetic acts by:

A. Blocking sodium gated channel

B. Blocking calcium gated channel

C. Blocking potassium gated channel

D. Blocking chloride gated channel

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Coma due to cerebral hypoxia is treated by-

A. Analeptics

B. Steroids

C. CO2-O2 mixture

D. 100% PO2

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Malignant hypehermia is most commonly precipitated by:

A. Succinyl choline

B. Dantrolene sodium

C. Gallamine

D. Pancuronium

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Among the local anaesthetics, the one that is associated with vasoconstriction is lidocaine which is used with Adrenaline in a concentration of :

A. 1:20

B. 0.180555556

C. 1.430555556

D. 1:200000

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Minimum alveolar concentration of an inhaled anesthetic is a marker of:

A. Potency

B. Efficacy

C. Elimination

D. Distribution

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Action of scoline is potentiated by?

A. Nitrous oxide

B. Sevoflurane

C. Isoflurane

D. Halothane

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Which of the following inhalational agent potentiate neuromuscular blocker most?

A. Halothane

B. Isoflurane

C. Sevoflurane

D. Desflurane

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A patient was admitted epidural anaesthesia with 15 ml of 1.5%. Lignocaine with adrenaline for hernia surgery. He devoled hypotension and respiratory depression within 3 minutes after administration of block. The most common cause would be:

A. Allergy to drug administered

B. Systemic toxicity to drug administered

C. Patient got vasovagal shock

D. Drug has entered the subarachnoid space

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A 20-year old spontaneous breathing patient undergoing incision and drainage under GA, which of the following is the breathing circuit of choice for spontaneous ventilation?

A. Mapleson A

B. Mapleson B

C. Mapleson C

D. Mapleson D

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Preferred anaesthetic in renal failure is-

A. Doxacurium

B. Atracurium

C. Pancurium

D. Gallamine

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