A water-treatment plant worker experiences a chlorine inhalation injury which has no history of lung disease. He is able to tell the ER physician how the injury occurred. He presents with tachypnea, tachycardia, mild peripheral cyanosis and hypertension. He is using accessory muscles to breathe with mild to moderate substernal retractions. Inspiratory crackles and wheezes are heard on inspiration. Which type of respiratory failure is most likely responsible for these signs?

What are the cardinal numbers of the sets A = {∅}, B = {1, 2, 3, 4, 10} and C = ∅?

A survey was taken of drivers regarding the factors that they considered important in buying a new car.   84 said cost. 15 said cost but not gas mileage. 72 said safety. 48 said all three. 56 said cost and safety. 25 said gas mileage but not safety. 20 said gas mileage but not cost.   Construct a Venn diagram that represents the results.  How many said gas mileage in the survey?   

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? 

Write the set {x ∈Write the set| -2 ≤ x < 5} using the roster notation. Enter your result in the box below.  

If A = {1, 2, 5, 8}, B = {3, 6, 8, 10) and C = {1, 8, 9, 12} and U = {1, 2, 3, …, 12}.  Find (A ∪ B)∩ C and (A – C) ∪ B’.  Show your work and results in the file that you upload.  Don’t enter your results here.

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

Which of the following is a part of the process of outsourcing analyses?

Some of the major ways of increasing employee productivity are organizational restructuring, redesigning work, aligning human resource activities, and outsourcing analyses

Which of the following is a part of the staffing function of human resource management?