PALS Chapter 7 Quiz

Select the best response from the answer choices following each question.

1. Which of the following proteins binds oxygen to red blood cells?

2. Which of the following is a medical condition where oxygen saturation of the blood decreases as measured by a pulse oximeter?

3. Which of the following clinical conditions causes hypoxemia?

4. Which of the following medical conditions can precipitate disordered breathing?

5. Hypoxemia is defined as a decrease in arterial oxygen saturation as measured by an arterial blood gas analysis or a pulse oximeter. The working definition of hypoxemia is an oxygen saturation:

6. An arterial blood gas was requested, and the sample shows the following values:

pH: 7.30 (normal range 7.35–7.45) 

PaCO₂: 48 mm Hg (normal range 35–45 mm Hg)

HCO3: 24 mmol/L (normal range 22–26 mmol/L)

The likely acid-base imbalance is:

7. Capnography is used to measure which parameter in the body?

8. Which of the following can cause disordered control of breathing?