After responding favorably to treatment in the intensive care unit, a patient with a diagnosis of pneumonia is in the process of being weaned from ventilation.
The patient is now able to breathe spontaneously but the ventilator is currently supplementing the patient's respiration throughout the cycle. What type of ventilation best matches this patient's oxygenation needs?
A) Pressure support ventilation (PSV)
B) High frequency ventilation (HFV)
C) Inverse ratio ventilation (IRV)
D) Controlled mandatory ventilation (CMV)
Question 2
A patient suffered a brain stem injury in an assault and is currently receiving controlled mandatory ventilation (CMV) in the intensive care unit.
When conducting the scheduled assessments of this patient, the nurse should be aware of which of the following characteristics of CMV?
A) The patient breathes spontaneously, but a set tidal volume is delivered.
B) Oxygen supplementation is constantly adjusted by the ventilator in response to the patient's respiratory rate.
C) The patient's tidal volume is determined spontaneously, but the respiratory rate is controlled by CMV.
D) The rate and tidal volume are set, and the patient does not breathe spontaneously.
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