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A nurse is caring for a patient with chronic lung disease who is receiving oxygen through a nasal cannula. What nursing action is performed correctly?
- A. Making sure the oxygen is flowing into the prongs
- B. Maintaining oxygen saturation between 94% and 98%
- C. Encouraging the patient to breathe through their nose with their mouth closed
- D. Initiating the oxygen flow rate at 6 L/min or more
- E. Protecting the patient's skin from irritation by the oxygen tubing
Correct Answer: A,C,E
Rationale: The nurse should assure that the oxygen is flowing out of the prongs prior to inserting them into the patient's nostrils. The nurse should encourage the patient to breathe through their nose with the mouth closed. The nurse should adjust the flow rate and maintain the patient's oxygen saturation as prescribed. The nurse should implement pressure injury prevention strategies; pressure from the tubing could result in medical device-related alterations in skin integrity.
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A nurse in the emergency department is caring for a patient who had eaten shellfish and is now wheezing. The nurse explains to the patient that the health care provider has prescribed a bronchodilator, which will have what action?
- A. Helping the patient cough up thick mucus
- B. Opening narrowed airways and relieving wheezing
- C. Acting as a cough suppressant
- D. Blocking the effects of histamine
Correct Answer: B
Rationale: A bronchodilator opens narrowed airways which result in wheezing. An expectorant encourages cough to clear secretions. A cough suppressant reduces, treats, or stops a cough. Medications that block histamine (antihistamine) are often used for allergy but are not specific bronchodilators.
A nurse is caring for a patient admitted for an acute asthma exacerbation. The patient reports extreme dyspnea, stating, 'Turn up the oxygen, I'm not getting enough air.' Which actions would the nurse take first?
- A. Suction the airway.
- B. Assess the pulse oximetry reading.
- C. Obtain a peak flow meter reading.
- D. Assess for cyanosis of the lips.
Correct Answer: B
Rationale: Using the nursing process, the nurse first assesses the oxygen saturation via pulse oximetry before changing the oxygen flow rate. Suctioning is provided to remove respiratory secretions; the nurse would note adventitious breath sounds or phlegm with cough indicating a need for suction. A peak flow meter is used to assess the point of highest flow during forced expiration. It is routinely used for patients with moderate or severe asthma to measure the severity of the disease and degree of disease management. While cyanosis of the lips is a late sign of hypoxemia, the nurse can quickly begin to alleviate or lessen dyspnea by simply repositioning the patient.
A nurse plans to suction a patient's endotracheal tube using the open suction technique. Which intervention is appropriate for this technique?
- A. Using a suction catheter that is the diameter of the endotracheal tube
- B. Maintaining the patient in the supine position
- C. Administering oxygen prior to suctioning
- D. Changing the inline suction device every 24 hours
Correct Answer: C
Rationale: To prevent hypoxemia, prior to endotracheal suctioning, the nurse provides 100% oxygen for a minimum of 30 seconds. This is referred to as hyperoxygenation. The nurse limits the application of suction to no more than 10 to 15 seconds. The external diameter of the suction catheter should not exceed half of the internal diameter of the endotracheal tube. An inline suction device is considered a closed, self-contained system used for a 'closed technique' for suction; these are changed every 24 hours.
A nurse is maintaining airway patency in an unconscious patient by providing frequent nasopharyngeal suction. When would the nurse anticipate inserting a nasopharyngeal airway (nasal trumpet)?
- A. Vomiting during suctioning occurs.
- B. Secretions appear to contain stomach contents.
- C. The suction catheter touches an unsterile surface.
- D. Epistaxis is noted with continued suctioning.
Correct Answer: D
Rationale: Repeated suctioning may injure or traumatize the nares, resulting in nosebleed (epistaxis). The nurse would recommend insertion of a nasal trumpet, which will facilitate suction while protecting the nasal mucosa from further trauma.
A nurse is providing teaching for a patient who will undergo cardiac surgery and return to the intensive care unit with an endotracheal tube. What education is most important for the nurse to provide?
- A. The endotracheal tube will drain out excess secretions from the surgical site.
- B. This tube is used to facilitate breathing; you will not be able to speak while it is in place.
- C. This is a surgically placed tube in your neck; we will suction it frequently to remove mucus.
- D. Your oxygenation will be monitored frequently using pulse oximetry.
Correct Answer: B
Rationale: Patients with an endotracheal tube are unable to speak. Explaining this to the patient preoperatively, along with information that they will be closely monitored, can help decrease anxiety. The endotracheal tube is used during anesthesia or for mechanical ventilation; it is not a surgical drain. A tracheostomy, located in the neck area, is a surgically placed artificial airway. While pulse oximetry will be used to monitor oxygenation, to prevent undue anxiety, it is most important that the patient understands speech will not be possible.