التنفس الاصطناعي

What oxygen saturation (SaO2) level would indicate a patient needs mechanical ventilation?

• SaO2 > 90%

• SaO2 < 60%

• SaO2 between 70-80%

• SaO2 = 100%

Which pH level in a patient's blood gas analysis suggests a need for mechanical ventilation?

• pH > 7.45

• pH between 7.35 and 7.45

• pH < 7.25

• pH = 7.30

Which characteristic is associated with volume-cycled ventilation?

• Tidal volume is variable

• Peak airway pressure is fixed

• Tidal volume is fixed

• Both tidal volume and peak airway pressure are variable

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For patients who are heavily sedated or comatose, which ventilation mode allows the ventilator to completely control all aspects of breathing?

• Assisted Control Ventilation (ACV)

• Continuous Mandatory Ventilation (CMV)

• Synchronized Intermittent Mandatory Ventilation (SIMV)

• Pressure Support Ventilation (PSV)