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The nurse is caring for a patient who has just undergone a mediastinotomy. What should be the focus of the nurses postprocedure care?
- A. Assisting with pulmonary function testing (PFT)
- B. Maintaining the patients chest tube
- C. Administering oral suction as needed
- D. Performing chest physiotherapy
Correct Answer: B
Rationale: Chest tube drainage is required after mediastinotomy. PFT, chest physiotherapy, and oral suctioning would all be contraindicated because of the patients unstable health status.
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The nurse is caring for a patient who has a pleural effusion and who underwent a thoracoscopic procedure earlier in the morning. The nurse should prioritize assessment for which of the following?
- A. Sputum production
- B. Shortness of breath
- C. Throat discomfort
- D. Epistaxis
Correct Answer: B
Rationale: Follow-up care in the health care facility and at home involves monitoring the patient for shortness of breath (which might indicate a pneumothorax). All of the listed options are relevant assessment findings, but shortness of breath is the most serious complication.
A nurse educator is reviewing the implications of the oxyhemoglobin dissociation curve with regard to the case of a current patient. The patient currently has normal hemoglobin levels, but significantly decreased SaO2 and PaO2 levels. What is an implication of this physiological state?
- A. The patients tissue demands may be met, but she will be unable to respond to physiological stressors.
- B. The patients short-term oxygen needs will be met, but she will be unable to expel sufficient CO2.
- C. The patient will experience tissue hypoxia with no sensation of shortness of breath or labored breathing.
- D. The patient will experience respiratory alkalosis with no ability to compensate.
Correct Answer: A
Rationale: With a normal hemoglobin level of 15 mg/dL and a PaO2 level of 40 mm Hg (SaO2 75%), there is adequate oxygen available for the tissues, but no reserve for physiological stresses that increase tissue oxygen demand. If a serious incident occurs (e.g., bronchospasm, aspiration, hypotension, or cardiac dysrhythmias) that reduces the intake of oxygen from the lungs, tissue hypoxia results.
The nurse is assessing the respiratory status of a patient who is experiencing an exacerbation of her emphysema symptoms. When preparing to auscultate, what breath sounds should the nurse anticipate?
- A. Absence of breath sounds
- B. Wheezing with discontinuous breath sounds
- C. Faint breath sounds with prolonged expiration
- D. Faint breath sounds with fine crackles
Correct Answer: C
Rationale: The breath sounds of the patient with emphysema are faint or often completely inaudible. When they are heard, the expiratory phase is prolonged.
While assessing an acutely ill patients respiratory rate, the nurse assesses four normal breaths followed by an episode of apnea lasting 20 seconds. How should the nurse document this finding?
- A. Eupnea
- B. Apnea
- C. Biots respiration
- D. Cheyne-Stokes
Correct Answer: C
Rationale: The nurse will document that the patient is demonstrating a Biots respiration pattern. Biots respiration is characterized by periods of normal breathing (three to four breaths) followed by varying periods of apnea (usually 10 seconds to 1 minute). Cheyne-Stokes is a similar respiratory pattern, but it involves a regular cycle where the rate and depth of breathing increase and then decrease until apnea occurs. Biots respiration is not characterized by the increase and decrease in the rate and depth, as characterized by Cheyne-Stokes. Eupnea is a normal breathing pattern of 12 to 18 breaths per minute. Bradypnea is a slower-than-normal rate (<10 breaths per minute), with normal depth and regular rhythm, and no apnea.
The nurse is caring for a patient who has been scheduled for a bronchoscopy. How should the nurse prepare the patient for this procedure?
- A. Administer a bolus of IV fluids.
- B. Arrange for the insertion of a peripherally inserted central catheter.
- C. Administer nebulized bronchodilators every 2 hours until the test.
- D. Withhold food and fluids for several hours before the test.
Correct Answer: D
Rationale: Food and fluids are withheld for 4 to 8 hours before the test to reduce the risk of aspiration when the cough reflex is blocked by anesthesia. IV fluids, bronchodilators, and a central line are unnecessary.