What happened to the populations when both species of Paramecium were grown together in a mixed culture? Picture7.png

Which of the following mean airway pressures is considered potentially deleterious when applying positive airway pressure?

Questions 11-20 come from the population biology lab simulation.

How common is vasovagal syncope?

If the PI is left at 25 cmH2O and PEEP is increased from 4 cmH2O to 8 cmH2O, which of the following will result:

An ambulatory home O2 therapy patient complains that the portable liquid (at 3 L/min) does not last long enough for a visit with the grandchildren. What might you recommend to overcome this limitation?

You observe an area with low Shannon diversity index values. What does this indicate about the area’s biodiversity?

You notice that air is bubbling through the water seal of the patient’s pleural drainage system when she coughs. This tells you that:

The following data are gathered during a PEEP study (FIO2 = 0.60). Based on these data, what is the optimum PEEP level? PEEP cm H2O 0 5 10 15 20 25 PaO2 mm Hg 46 54 67 73 75 74 Compliance ml/cm H2O 18 23 26 30 24 19 Systolic pressure 125 123 114 115 104 94 Diastolic pressure 90 88 83 84 76 68

A 35 year old adult female has been intubated with an 8.0 ETT by the ICU respiratory therapist. What size suction catheter should be selected to perform endotracheal suctioning?