Induction of Anaesthesia

Question 1

Which of the following can be used in food production animals as induction agents? Propofol, Alfaxalone, Ketamine, Thiopentone, Etomidate

Answer 1

Ketamine, Thiopentone

Question 2

Which of the following can be used in food production animals as induction agents? Isoflurane, Sevoflurane, Halothane, Desflurane, Nitrous Oxide

Answer 2

Isoflurane

Question 3

In general, what effect do general anaesthetic induction agents have on CVS function?

Answer 3

Decreased CO, vasodilation, decreased BP.

Question 4

In general, what effect do general anaesthetic induction agents have on resp function?

Answer 4

Decreased RR, decreased tidal volume, decreased minute volume.

Question 5

How can the stage in induction where there is involuntary excitment be avoided?

Answer 5

I.V. administration.

Question 6

Which is more irritant to the airways, isoflurane or sevoflurane? What is the risk of this?

Answer 6

Isoflurane - may cause breath holding

Question 7

What is the partition coefficient of anaesthetic gases? What does this mean in a clinical setting?

Answer 7

PC = Solubility in blood

If a gas is MORE soluble in the blood, induction and recovery will be SLOWER.