Pharmacology

Question 1

Define partial pressure

Answer 1

Is the pressure that would be exerted by a gas, in a mixture of gases, if it occupied the container alone (Daltons law of partial pressures)

Question 2

Classify the factors affecting onset time

Answer 2

Equipment and delivery - vaporiser setting the delivery of agent from the anaesthetic machine and breathing system into the patient

Patient - the patient physiology influence the transfer of agent between the lungs and the brain

Agent - the properties of individual agents have a major influence on uptake and washout