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Mr. Messi was admitted with DKA 2 days ago. Current vent settings are: SIMV/VC, VT 450, RR 26, FiO2 32%, peep 4. ABG: ph 7.41, PaO2 87, PaCO2 20, HCO3 20. Which of the following should the RT do?

Agent Stephen Walker presents to your pulmonary clinic with the following vital signs: HR 115;  RR 20;  BP 155/85 Bronchial breath sounds with fine crackles Nonproductive cough and distended jugular veins A PFT was requested considering the patient’s condition PFT results: FVC -decreased,  FEV1/FVC ratio- normal   FEF25%-75%- normal,  MVV- decreased,  TLC- decreased,  RV- decreased    What is your diagnosis?  

Which of the following situations would administering bicarb be appropriate?  

Which of the following are the most appropriate settings for a trauma victim that was just intubated? 

What does the green centerline in the middle chart (MR of Subgroup Mean) represent?

A power supply unit in a control cabinet has a constant failure rate over time, and past data show that the time (in hours) until failure has the same distribution regardless of how long the unit has already been running. Engineers assume the time to failure follows a memoryless distribution with a constant hazard rate. Which distribution is most appropriate for modeling the time to failure of the power supply?

A microchip supplier reports that 4% of chips are defective. A test detects a defective chip 95% of the time, but incorrectly labels a good chip as defective 6% of the time. What is the approximate probability that a chip is actually defective given that the test says it is defective?

 What is the curve (or test statistic) that is studied for an ANOVA, and the degrees of freedom?

A call center records the number of customer calls arriving to the help desk in each 10-minute interval. Calls occur independently of one another and at an approximately constant average rate throughout the day. Which distribution is most appropriate for the number of calls in a given 10-minute interval?

In a quality-control lab, the probability a metal rod is too long equals 0.12 and the probability it is too short is 0.05. These events cannot happen at the same time. What is the probability a rod is either too long or too short?