Mcq Subject: Anaesthesia
A 63-year-old man with multiple rib fractures and a pulmonary contusion requires prolonged intubation. He is unable to be weaned from the ventilator and is on a volume control mode. He has a tracheostomy and a percutaneous gastrotomy in place through which he is being fed. The surgeon orders a respiratory quotient (RQ), which is the ratio of the rate of carbon dioxide production over the rate of oxygen uptake. The RQ is 1. Based on this information, which of the following is the next step in his management?
A. Decrease the inspired concentration of oxygen
B. Decrease the rate on the ventilator
C. Increase the rate on the ventilator
D. Decrease the carbohydrates in his enteral feeds
View DescriptionAll signs malignant hypehermia except
A. Reduced mixed venous oxygen tension
B. Hyperkalemia
C. Hypotension
D. Metabolic acidosis
View DescriptionLocal Anaesthetic first used clinically –
A. Procaine
B. Lignocaine
C. Bupivacaine
D. Cocaine
View DescriptionWhich local anaesthetic has highest protein binding capacity –
A. Lignocaine
B. Tetracaine
C. Prilocaine
D. Procaine
View DescriptionA 40 year old man who met with a motor vehicle catastrophe came to the casualty hospital in an hour with severe maxillofacial trauma. His Pulse rate was 120/min, BP was 100/70 mm Hg, Sp02 -80% with oxygen. What would be the immediate management
A. Nasotracheal intubation
B. Orotracheal intubation
C. Intravenous fluid
D. Tracheostomy
View Description100 % Oxygen therapy used in
A. Cluster headache
B. Migraine
C. Congenital spherocytosis
D. COPD
View DescriptionA 55yr old male patient with his HTN on ACE inhibitors and has CABG four years back is scheduled for hernia surgery He has good effo tolerance which of the following pre-op investigations are ordered
A. Routine preop evaluation + Routine preop evaluation
B. Routine preop +clinical+stress testing
C. Routine preop + clinical +angiography to look for potency
D. Routine preop + clinical exam +V/Q scan
View DescriptionWhich of the following determines the speed of recovery from IV anesthetic agents?
A. Liver metabolism of drug
B. Protein binding of drug
C. Redistribution of the drug from sites in the CNS
D. Plasma clearance of the drug
View DescriptionMaximum safe dose of lignocaine with adrenaline is:
A. 3 mg/kg wt.
B. 7 mg/kg wt
C. 10 mg/kg wt.
D. 15 mg/kg wt
View DescriptionDiffusion hypoxia seen during ?
A. Induction of anesthesia
B. Reversal of anesthesia
C. Post operative period
D. None of the above
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