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 +1  (nbme23#40)

Can anyone explain how 10cm H20 positive PEEP leads to Peak Inspiratory PA, End Tidal PA, Peak Inspiratory Pip and End Tidal Pip all being positive?

tea-cats-biscuits  In PEEP, bc of how mechanical ventilation works, all the inspiration part of breathing is done by the machine actively pushing air into the lungs. As a result, there is no negative pressures in the system compared to the normal lung which needs the negative inter-pleural pressure to draw air in.
yotsubato  " As a result, there is no negative pressures in the system compared to the normal lung which needs the negative inter-pleural pressure to draw air in. " Thats totally what threw me off. TIL

 +0  (nbme23#32)

I picked NMDA because it’s stimulatory, but is there any deeper reason for this?

tea-cats-biscuits  The Q is actually asking which of the receptors use Ca+ ions, and of the choices given only NMDA receptors do so.




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