Anaesthesia (general and specific other than adv effect and MOA)

Question 1

Which is added to LA to make LA long acting and which is added to make LA fast acting????.

Answer 1

Adrenaline(long acting)
Sodium bicarbonate(fast acting)

Question 2

2.5% prilocaine and 2.5% lignocaine in 1:1 ratio is known as what mixture

Answer 2

Eutectic mixture.

Both the drugs reduce the melting point of each other thus forming a semi solid substance.

Question 3

Following spinal anesthesia what is the most common intraoperative complications and most common postoperative complication

Answer 3

Hypotension (intraoperative) and headache (post dural puncture headache)( postoperative)

Question 4

Reason for withdrawal of rapacuronium

Answer 4

Severe bronchoconstriction

Question 5

First selective relaxant binding agent

Answer 5

Sugammadex

Question 6

Agent of choice in renal and hepatic insufficient patient

Answer 6

Atracurium and cisatracurium

Question 7

What inhalational agent is most potent and which is least potent

Answer 7

Nitrous oxide is least potent(maximum MAC) and methoxyflurane is most potent(Least MAC)

Question 8

Which inhalational agent sensitises the heart to arrhythmogenic effect of adrenaline and non adrenaline`

Answer 8

Halothane

Question 9

Drug with maximum bronchodilation in asthmatic and non asthmatic

Answer 9

Halothane(asthmatic) and sevoflurane(non asthmatic)

Question 10

Drugs not to be used in closed circuit anaesthesia

Answer 10

Sevoflurane trilane and methoxyflurane

Question 11

How to prevent diffusion hypoxia while stopping N2O during recovery from anesthesia.

Answer 11

By giving 100% O2 for sometime before stopping anesthesia.

Question 12

Which drug causes post anaesthetic chills and shivering

Answer 12

Halothane. Pethidine is the treatment of this condition.

Question 13

Why enflurane is contraindicated in epilepsy

Answer 13

Raise in ICT and produce tonic clonic seizure

Question 14

What is the inhalational agent of choice for producing controlled hypotension.

Answer 14

Enflurane

Question 15

what percentage of thiopentone is used as a IV induction of anesthesia

Answer 15

2.5 % slution

Question 16

Why does thiopental action terminates very quicly.

Answer 16

Due to redistribution