Online qs

Question 1

Meaurement of o2 in mix of gases achieved by:

Answer 1

Meaurement of o2 in mix of gases achieved by:
clark electrode (b:g factor
mass spec (angle of deflection depends on charge mass ratio)
fuel cell

Question 2

Blood gas analyser directly measures:

Answer 2

Blood gas analyser directly measures:
Pa O2, PaCO2 and pH using specific electrodes

membrane permeable to o2, co2, h+

Question 3

Severinghaus electrode:

Answer 3

measures co2

Reference electrode: Ag/AgCl
measuring electrode: pH glass
electrolyte NaHCO2 Kcl

Question 4

ABG analysis:
excess heparin in sample ___ the pH
CO2 electrodes have response time of __ mins

Answer 4

ABG analysis:
excess heparin in sample lowers the pH
CO2 electrodes have response time of 2-3 mins