Four Units of Packed RBCs Were Used in the Operating

question 15

Multiple Choice

Four units of packed RBCs were used in the operating room at 3 p.m. Can the remaining 2 units be returned to the blood bank at 5 p.m.?

• A) Yes, if the 2 units have been kept under the proper storage conditions
• B) Yes, but only if the units are to be used for the same patient
• C) No, units may have been out of blood bank for more than 4 hours
• D) No, units have been out of the blood bank for longer than 30 minutes

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Definitions:

Security Market Line

A representation in financial markets that depicts the relationship between the risk of an asset and its expected return.

Expected Inflation Rate

The anticipated rate at which the general level of prices for goods and services will rise over a period of time.

Risk Averse

The preference to avoid uncertainty, referring to the behavior of investors who prefer lower returns with known risks over higher returns with unknown risks.

Risk-Free Rate

An ideal rate of return on an investment with no risk, typically represented by government bond yields.