A patient is on the ventilator and a high-pressure alarm sounds. The nurse should assess for which of these possible causes for the alarm?
The patient may need suctioning
The patient extubated himself
The ventilator tubing may be disconnected.
The cuff at the end of the endotracheal tube is deflated.
The Correct Answer is A
A. The patient may need suctioning:
A high-pressure alarm indicates increased resistance to airflow, which could be caused by secretions or mucus in the airways. Suctioning is the appropriate intervention to clear the airways of excess secretions, reducing airway resistance and preventing the high-pressure alarm.
B. The patient extubated himself:
If the patient extubates himself (removes the endotracheal tube), this may result in a low-pressure alarm, not a high-pressure alarm. The low-pressure alarm is triggered when there is a loss of pressure within the ventilator circuit due to disconnection or extubation.
C. The ventilator tubing may be disconnected:
If the ventilator tubing is disconnected, it is more likely to trigger a low-pressure alarm, indicating a loss of pressure in the ventilator circuit. This is not the primary cause of increased resistance seen with a high-pressure alarm.
D. The cuff at the end of the endotracheal tube is deflated:
A deflated cuff can lead to air leakage around the endotracheal tube but is not the primary cause of increased airway resistance seen with a high-pressure alarm. It may cause a low-pressure alarm if cuff pressure is monitored.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Increased anteroposterior diameter of the chest
In emphysema, there is often hyperinflation of the lungs and destruction of the alveolar walls, leading to loss of lung elasticity. This results in increased air trapping and a characteristic "barrel chest" appearance, with an increased anteroposterior diameter.
B. Petechiae on chest:
Petechiae are small, red or purple spots caused by bleeding into the skin. They are not commonly associated with COPD and emphysema.
C. Oxygen saturation level 96%:
Oxygen saturation level of 96% is within the normal range. While oxygen saturation can be affected in COPD, the value provided is not indicative of severe hypoxemia.
D. Respiratory alkalosis:
Respiratory alkalosis is not typically associated with COPD and emphysema. In fact, respiratory acidosis is more commonly seen in these conditions due to impaired gas exchange and retention of carbon dioxide.
Correct Answer is ["A","D"]
Explanation
A. Decreased lung sounds
A decrease in lung sounds could indicate a pneumothorax, which is a potential complication of thoracentesis. It requires prompt evaluation.
B. Heart rate 110/min and regular
A heart rate of 110/min is within a normal range, and regular rhythm is generally acceptable post-thoracentesis. It may be related to pain or anxiety but is not an immediate concern.
C. Oxygen saturation of 95%
An oxygen saturation of 95% is within an acceptable range. While maintaining adequate oxygenation is important, this finding does not suggest an immediate complication.
D. Subcutaneous emphysema
Subcutaneous emphysema involves the presence of air in the subcutaneous tissues and can indicate a communication between the pleural space and subcutaneous tissues. This requires immediate attention.
E. Trachea midline
The trachea being midline is a normal finding and does not indicate an immediate problem post-thoracentesis.
F. Puncture site dry
A dry puncture site is expected after a thoracentesis. This finding is normal and indicates appropriate wound care. It is included in the list to ensure recognition of normal post-procedure findings.
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