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A nurse is preparing to administer an intramuscular (IM) injection to an adult patient. Which factors should the nurse primarily consider when selecting the appropriate needle length and gauge? Select all that apply.

A patient reports shortness of breath. Which action demonstrates a focused assessment?

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A person is randomly drawn from a large population and then given an aptitude test. If someone passes the test, then there is an 80% chance they graduated from the University of Chicago. For those who did not pass the test, there is a 10% chance they graduated from the University of Chicago. Only 1% of the overall population passes the aptitude test, and 89.3% of the population did not graduate from the University of Chicago. What is the probability that someone who did not graduate from the University of Chicago passes the aptitude test?

What can you conclude about the expected return of your portfolio?

Questions 9-10 are grouped together and depend on the information below. Your portfolio contains shares of two stocks A and B. You know the variances of the returns of A and B.

Biologists are especially concerned with genetic diversity, while geographers are more interested in biogeographic diversity.

If a country follows the rank-size rule, if the largest city has 1,000,000 inhabitants, how many people live in the fifth largest city?

Rapid urbanization continues today in the more developed countries.

Fossil fuels are