You Are Called to the Home of a 75-Year-Old Patient

question 4

Multiple Choice

You are called to the home of a 75-year-old patient with end-stage lung cancer. The patient's daughter states that she called because the patient is experiencing increasing dyspnea. The patient is on home oxygen at 4 liters per minute; however, the daughter states that the patient's SpO₂ is "way lower than normal." What would be the best course of action in this situation?

• A) Transport the patient to the ED.
• B) Ask the daughter if the patient has a DNR.
• C) Examine the patient's oxygen equipment to be sure it is working.
• D) Prepare to administer oxygen via CPAP.

---

Definitions:

Multifactor APT

A model that describes the return of a security or portfolio in relation to various risk factors and the expected return on the assets, extending the concepts of the Capital Asset Pricing Model (CAPM).

Expected Return

The average of all possible returns for an investment, weighted by the likelihood of each outcome, representing the mean of the probability distribution of returns.

APT

The Arbitrage Pricing Theory, an asset pricing model that predicts a security's returns using the linear relationship of its expected return with macroeconomic factors.

Developed

Refers to countries or regions with advanced economic systems, typically characterized by high gross domestic product (GDP) and well-developed infrastructure.