MCQ facts Flashcards
What does the selectatec interlock system do?
Only allows one vspouriser control dial to be on at any one time
how much co2 does soda lime absorb
100g of soda lime absorbs 25L of CO2
When using a nerve stimulator needle to perform a peripheral nerve block, what current generating a contraction may suggest that the needle tip is intraneural?
0.2mA
What are ecg electrodes made from?
ECG electrodes are made from silver and silver chloride,
Lack system dimension
30mm outer, 14mm inner
Pressure needed to actuate an open APL
1cm water (0.1kPa)
How does the finapres device work?
Penaz principle
LMA sizes
LMAs have wide internal diameters (for example, the internal diameter of sizes 2, 3, 4, and 5 are 7, 10, 10 and 11
reinforced LMA differences
Reinforced LMAs are longer and have smaller internal diameters than standard LMAs, causing an increase in flow resistance.