A postoperative patient complaining of dyspnea is found to have tachypnea and tachycardia, and is somewhat confused. Breath sounds reveal end inspiratory crackles in both lung bases. An arterial blood gas is drawn and reveals the following: pH 7.49; partial pressure of carbon dioxide (PaCO2) 33 mm Hg; partial pressure of oxygen (PaO2) 51 mm Hg; arterial oxygen saturation (SaO2) 87%; bicarbonate (HCO3-) 25 mEq/L while on a 30% air entrainment mask. The most appropriate respiratory therapy intervention includes which of the following?

Calculate the tubing compliance (CT) when the measured volume is 150 mL and the static pressure is 53 cm H2O.

A patient who is on volume control mechanical ventilation, the patient’s oxygenation and ventilation status is not improving and is showing the following settings:Mode:  CMVFiO2:   100%PIP:     55 cmH2OPEEP:  15 cmH2OThe RT is preparing to change the patient to PCV. Which of the following settings would be appropriate for this patient?

A 35 year old adult female has been intubated with an 8.0 ETT by the ICU respiratory therapist. What size suction catheter should be selected to perform endotracheal suctioning?

Which of the following statements is true regarding amino acid supplementation?

Which of the following is a risk factor of colorectal cancer? Mark all that apply.

A patient receiving a nebulizer treatment with 3% saline complains of shortness of breath. A respiratory therapist should:

What is the C(a-v)O2 if you have the following values?VO2 = 250 mL/minC.O. = 5 L/min

How will the hemodynamic measurements be affected if the pulmonary artery catheter (PAC) transducer is zeroed below the phlebostatic axis?

Increasing the frequency setting on the high-frequency oscillatory ventilator will cause: