Which of the following statements best defines acute hypercapnic respiratory failure?

A post-op patient is admitted to ICU in respiratory distress. He fell out of his deer stand onto his four-wheeler, suffering chest and abdominal trauma. He has increased work of breathing and you hear late fine crackles bibasilar with an SpO2 of 88% on RA. On a 50% air entrainment mask the patient’s PaO2 increases to 138 mmHg

BONUS: Which of the following findings would you expect to see in a patient who has acute ventilatory failure with severe hypercapnia?

A patient with suspected narcotic overdose is brought to the ED by her husband and has no history of lung disease. The patient is unresponsive with a RR=6/minute, ABGs: pH 7.22, PaCO2 63 mmHg and PaO2 66 mmHg. Which of the following types of respiratory failure is present?

Which of the following indicate severely impaired oxygenation requiring positive end expiratory pressure (PEEP/CPAP)? (SELECT AS MANY THAT ARE APPROPRIATE).

Which of the following defines hypoxemic respiratory failure?

Suppose you want to purchase a car for $45,000 in five years.  If you need $5,000 for a down payment, how much would you have to invest each month in an annuity earning 4.5% interest to have that amount?  Show your work and final result in the file that you upload.

The diagram below represents the number of people who purchased certain car options.  Use it to answer the following questions.   How many cars had the safety package?  How many cars have just leather upholstery?  How many cars had none of the options?  How many cars have a stereo system but don’t have leather upholstery?  How many cars have all three options? 

How many subsets does the set {a, b, +, -} have?  How many proper subsets does it have?  Enter your results in the box below.

How many kilometers are there in `a` centimeters?  Enter your result in the box below.