14. A medical student is assigned to care for a patient with a smoking history and who is suspected of having emphysema. She asks for recommendations on what tests might be used to help determine the diagnosis. You would recommend all of the following EXCEPT

What organ of the body is the graveyard for old, worn-out erythrocytes?  

Which of the following five adult patients receiving ventilatory support is the best candidate for weaning?Maximum voluntaryPatient   VC      VE   ventilation (MVV)          MIP      VD/VT    

Which of the following is a high-energy phosphate compound that can store energy in its phosphate bonds?

Daily exercise can increase your HDL cholesterol levels.

At what level of intracranial pressure will venous drainage be impeded and cerebral edema develop in uninjured tissue?

BONUS: Which of the following electrolyte imbalances can hinder weaning from ventilatory support?I. hypophosphatemiaII. hypomagnesemiaIII. hypokalemia

Erikson’s work was inspired by:

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

Which of the following cardiovascular signs would indicate that a patient’s cardiovascular status is unstable and that weaning should NOT begin at this time?