Answer :
Final answer:
Pre-oxygenation using a bag and mask is done before the suctioning procedure to ensure the patient's oxygen saturation levels do not drop significantly. This provides an 'oxygen reserve' during the suctioning process. Option D is correct.
Explanation:
We pre-oxygenate using a bag and mask when suctioning a patient before the suctioning procedure. This is an essential step to ensure that the patient's blood oxygen saturation levels do not drop significantly during the suctioning process.
The act of suctioning can reduce a patient's oxygen supply temporarily, and pre-oxygenating helps to counteract that effect by providing an 'oxygen reserve'. This procedure is standard regardless of whether the patient has explicit complaints of shortness of breath or not.
Pre-oxygenation with a bag and mask is done to ensure that the patient has enough oxygen reserves before a potentially disruptive procedure, like suctioning, is performed. This helps prevent desaturation and hypoxia during and after the procedure.
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