Fundamental Nursing Skills and Concept 10th Edition Timby
Fundamental Nursing Skills and Concept 10th Edition Timby
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Chapter 21- Oxygenation
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
| 1. | A physician has ordered an arterial blood gas test for a client with a respiratory disorder. What is the most common role of the nurse in the arterial blood gas test? | |
| A) | Measure the partial pressure of the oxygen dissolved in plasma. | |
| B) | Independently perform the arterial puncture to obtain the specimen. | |
| C) | Implement measures to prevent complications after arterial puncture. | |
| D) | Measure the percentage of hemoglobin saturated with oxygen. | |
| Ans: | C | |
| Feedback: | ||
| During the arterial blood gas test, the nurse should implement measures to prevent complications after the arterial puncture. The nurse would not be involved in measuring the partial pressure of oxygen dissolved in plasma or the percentage of hemoglobin saturated with oxygen. In most cases, collection of the sample is not performed independently by the nurse. | ||
| 2. | During the physical assessment of a client who has been inactive due to a leg injury, the nurse notes that the client tends to breathe very shallowly. What technique should the nurse teach the client in order to breathe more efficiently? | |
| A) | Deep breathing | |
| B) | Pursed-lip breathing | |
| C) | Diaphragmatic breathing | |
| D) | Incentive spirometry | |
| Ans: | A | |
| Feedback: | ||
| The nurse should teach deep breathing techniques to the client who tends to breathe shallowly in order to help the client breathe more efficiently. Deep breathing is a technique for maximizing ventilation. Taking in a large volume of air fills alveoli to a greater capacity, thus improving gas exchange. Pursed-lip breathing is a form of controlled ventilation in which the client consciously prolongs the expiration phase of breathing, which helps clients to eliminate more than the usual carbon dioxide from the lungs. It is used to increase the volume of air exchanged during inspiration and expiration. Incentive spirometry, a technique for deep breathing using a calibrated device, encourages clients to reach a goal-directed volume of inspired air. It prevents respiratory complications of immobility but does not directly increase the efficiency of breathing. Diaphragmatic breathing is breathing that promotes the use of the diaphragm rather than the upper chest muscles. It is used to increase the volume of air exchanged during inspiration and expiration. | ||
| 3. | A nurse is caring for a client who is being administered oxygen through a liquid oxygen unit. What is the most common potential problem the nurse may face when using a liquid oxygen unit to administer oxygen? | |
| A) | It increases the client’s electric bill. | |
| B) | It produces an unpleasant odor. | |
| C) | It requires a secondary source of oxygen. | |
| D) | It leaks during warm weather. | |
| Ans: | D | |
| Feedback: | ||
| The most common potential problem that the nurse may face when administering oxygen using a liquid oxygen unit is that the unit may leak during warm weather. An oxygen concentrator increases the client’s electric bill and produces an unpleasant odor or taste if the filter is not cleaned weekly. An oxygen concentrator also requires a secondary oxygen device in case of a power failure. | ||
| 4. | During oxygen administration to the client, which of the following pieces of equipment would enable the nurse to regulate the quantity of oxygen delivered from the wall-mounted oxygen supply? | |
| A) | Flowmeter | |
| B) | Oxygen analyzer | |
| C) | Humidifier | |
| D) | Nasal cannula | |
| Ans: | A | |
| Feedback: | ||
| In order to regulate the amount of oxygen delivered to the client, the nurse should use a flowmeter. A flowmeter is attached to the source of oxygen. An oxygen analyzer is a device that measures the percentage of delivered oxygen to determine whether the client is receiving the amount prescribed by the physician. A humidifier is a device that produces small water droplets and may be used during oxygen administration because oxygen dries the mucous membranes. A nasal cannula is a hollow tube with half-inch prongs placed into the client’s nostrils. It provides a means for administering a low concentration of oxygen. | ||
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