Answer to Question 1
B
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A Incorrect. This statement is true. Falling and confusion are potential clinical in-dicators of heart failure, pneumonia, and many other conditions.
B Correct. This statement is not true. For a debilitated person at the beginning of the course of infection or in dehydration, the chest x-ray study is often falsely negative.
C Incorrect. This is a true statement. Pneumovax is a 1-time vaccine against the pneumococcus bacterium.
D Incorrect. This is a true statement. Bacteria from the mouth can migrate into the lower respiratory tract and cause infection.
Answer to Question 2
A
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A Correct. A person with COPD can perform self-care tasks if allowed plenty of time for them as well as breaks for rest.
B Incorrect. The patient can potentially benefit more from longer periods of exer-cise supplemented with oxygen than from short excursions without oxygen.
C Incorrect. A plan to rest in the future after the job is done does not compensate for deprivation of rest when she needs it.
D Incorrect. A plan to rest in the future after the job is done does not compensate for deprivation of rest when she needs it.