What is one of the benefits of pressure-control ventilation?
We can control amount of pressure going into lungs, decreasing risk of barotrauma
A patient will only need to be on the ventilator for a short period of time
The patient is more comfortable on this mode
Patient is at lower risk of ventilator associated pneumonia
The Correct Answer is A
A. We can control amount of pressure going into lungs, decreasing risk of barotrauma: Pressure-control ventilation delivers breaths to a preset inspiratory pressure, limiting peak airway pressure. This reduces the risk of alveolar overdistension and barotrauma, making it particularly useful in patients with stiff or non-compliant lungs.
B. A patient will only need to be on the ventilator for a short period of time: The duration of mechanical ventilation depends on the patient’s underlying condition and recovery, not the mode itself. Pressure-control ventilation does not inherently shorten ventilation time.
C. The patient is more comfortable on this mode: Comfort may vary depending on sedation and ventilator settings. Pressure-control ventilation does not automatically make the patient more comfortable than other modes.
D. Patient is at lower risk of ventilator associated pneumonia: Ventilator-associated pneumonia risk is influenced by factors such as oral care, suctioning, and positioning, not by the choice of pressure-control ventilation mode.
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Related Questions
Correct Answer is A
Explanation
A. A patient with COPD: Clients with COPD often retain CO2 due to chronic hypoventilation, leading to a reliance on low oxygen levels (hypoxic drive) to stimulate breathing. Administering high concentrations of oxygen can suppress this drive, causing CO2 retention and respiratory acidosis.
B. A patient with pneumonia: Pneumonia impairs gas exchange due to alveolar inflammation and fluid accumulation, making oxygen therapy essential to maintain SpO2 above 92%. Maintaining higher oxygen saturation helps prevent hypoxemia and tissue hypoxia in these patients.
C. A patient with asthma: Asthma causes airway constriction that leads to impaired oxygenation during attacks. Supplemental oxygen is indicated to maintain saturation above 92%, as hypoxemia can worsen bronchospasm and increase respiratory effort.
D. A patient who has been admitted to the hospital for only one day: The duration of hospital admission does not influence oxygen saturation targets. SpO2 goals are based on underlying pathology, not length of stay, making this factor irrelevant to adjusting oxygen therapy.
Correct Answer is C
Explanation
A. Give them pain medications: Administering pain medication is not the priority in an emergency situation like tracheostomy dislodgement. The immediate concern is airway patency and oxygenation; pain management can be addressed once the airway is secured.
B. Leave the room and go get the healthcare provider: Leaving the patient alone when their airway is compromised can result in rapid deterioration or respiratory arrest. The nurse should stay with the patient, assess breathing, and call for assistance using the emergency call system instead of leaving the bedside.
C. Assess patient’s level of consciousness and ability to breathe: Assessing consciousness and breathing determines whether the patient is getting adequate oxygenation through the natural airway or requires immediate intervention. This assessment guides the next steps, such as repositioning the tracheostomy or using a bag-valve mask if necessary.
D. Lay their bed flat: Laying the bed flat could worsen oxygenation and make airway management more difficult. Keeping the head elevated helps maintain better lung expansion and facilitates easier breathing, especially in patients with respiratory compromise.
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