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1. What is the purpose of setting the inspiratory pressure on a ventilator?
A. To control the volume of air delivered to the patient
B. To control the rate of breaths delivered to the patient
C. To control the amount of pressure delivered to the patient during
inhalation
D. To control the amount of oxygen delivered to the patient
Answer: C. To control the amount of pressure delivered to the patient
during inhalation
Rationale: Setting the inspiratory pressure on a ventilator allows for
control over the amount of pressure delivered to the patient during
inhalation, which can help improve oxygenation and lung compliance.
2. What is the purpose of setting the PEEP (positive end-expiratory
pressure) on a ventilator?
A. To prevent lung collapse
B. To control the rate of breaths delivered to the patient
C. To increase the amount of oxygen delivered to the patient
D. To control the volume of air delivered to the patient
Answer: A. To prevent lung collapse
Rationale: PEEP is used to prevent alveolar collapse during expiration,
improve oxygenation, and maintain lung compliance. It helps keep the
airways open and increases the functional residual capacity of the lungs.
3. What do the settings of the FiO2 control on a ventilator?
A. The rate of breaths delivered to the patient
B. The amount of pressure delivered to the patient during inhalation
C. The volume of air delivered to the patient
D. The percentage of oxygen delivered to the patient
Answer: D. The percentage of oxygen delivered to the patient
Rationale: FiO2 refers to the fraction of inspired oxygen and controls the
percentage of oxygen delivered to the patient during ventilation. It is used
to adjust oxygen levels based on the patient's needs.
4. How does adjusting the tidal volume setting on a ventilator affect the
patient?
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