Nokea
Which important precaution should the nurse include when instructing a patient with emphysema on the use of home oxygen?
- A. Use oxygen only when extremely short of breath.
- B. Keep the home oxygen regulator set on 6 L.
- C. Use home oxygen at night while sleeping.
- D. Limit to 1 to 2 L oxygen flow.
Correct Answer: D
Rationale: Low-flow oxygen therapy is required for patients with COPD, because higher oxygen concentrations depress the body's own respiratory regulatory centers and can cause respiratory failure.
You may also like to solve these questions
Exposure to an asthma trigger can cause which aspect of asthma to occur next?
- A. Inflammatory process in the mast cells of the lungs
- B. Increase in edema and mucus production in the bronchioles
- C. Release of histamine
- D. Narrowing of the airways
Correct Answer: A
Rationale: The allergen activates the mast cells in the lungs, which release histamine, causing an increase in edema and mucus production that narrows the airways and causes the classic signs of asthma.
The nurse recognizes that the reading in an arterial gas report indicates the amount of oxygen dissolved in the plasma.
Correct Answer: PaO2
Rationale: The PaO2 reading indicates the amount of oxygen dissolved in the plasma.
In which way does pursed lip breathing assist patients with asthma during an attack?
- A. It distracts the patient with breathing technique to reduce anxiety.
- B. It gets rid of CO2 faster.
- C. It decreases breathing efforts.
- D. It increases PACO2.
Correct Answer: C
Rationale: Pursed lip breathing decreases the effort of breathing.
Which intervention should the nurse use to keep the chest tubes from becoming occluded?
- A. Irrigate tubes as needed.
- B. Prevent the patient from lying on it.
- C. Loop the tube over the bed rail.
- D. Milk' the tube frequently.
Correct Answer: B
Rationale: To keep the tubes patent, the patient should not lie on the tubing. These tubes are not irrigated and should not be milked frequently.
The patient has advanced emphysema and reports experiencing dyspnea and fatigue. Which nursing intervention would be appropriate for the patient who is having difficulty with activity tolerance?
- A. Direct patient in vigorous independent ROM.
- B. Allow to exercise until respirations are over 20 breaths/min over baseline.
- C. Plan care to provide optimum rest.
- D. Provide frequent cool showers.
Correct Answer: C
Rationale: Nursing interventions will be directed at attempting to decrease the patient's anxiety and promote optimal air exchange. The nurse should allow sufficient rest periods and should assist the patient in activities of daily living.