<prompt> A patient has the following blood gases: PaCO2- 25, pH- 7.50, HCO3-- 19. Which of the following could not be the cause of this condition?Anxiety attackpaO2Fi O2 ratio 100HysteriaAspirin toxicity  <response>: First read pH always Alkalotic pH Low pCO2 Low HCO3- Respiratory alkalosis paially compensated Caused by:- stimulate respiratory center - R.R Anxiety attack Hysteria Aspirin toxicity - stimulate respiratory center - R.R 