Which of the following represent proper chest auscultation t…

Which of the following represent proper chest auscultation technique?I.The practitioner should begin auscultation at the lung bases.II.The bell or diaphragm should be placed directly on the chest wall.III.The patient should be instructed to breathe through an open mouth.IV.The patient should be placed in a comfortable upright position.V.The patient should be told to breathe more deeply than normal.

Which of the following would indicate that administration of…

Which of the following would indicate that administration of a bland water aerosol to a patient with postextubation upper airway edema was having the desired effect?I.decreased work of breathingII improved vital signsIII.decreased stridor or dyspneaIV.improved oxygen saturation