A 28 y/o male is taken to the emergency department following a fainting episode that occurred while assisting in a patient transport. His blood pressure was 76/50 mmHg. There is no known history of any illnesses and the patient is known to exercise frequently. Hemoglobin, and hematocrit are normal and vitals are now stable. An arterial blood gas was drawn on room air and results are below:pH                    7.34PaCO2                45 torrPaO2                40 torrHCO3               23 mEq/LBE                    -2 mEq/LThe most likely cause for these results is:

Following abdominal surgery, a 26 year old man is receiving volume controlled ventilation in the assist/control mode with a mandatory rate of 10/min. When monitoring the ventilator, the respiratory therapist notes the total respiratory rate is 30/min and there is no detectable patient effort during all breaths. The therapist should do which of the following?

While interviewing a patient, the respiratory therapist notes prominence of the sternocleidomastoid and anterior scalene muscles during inspiration. This finding is most consistent with which of the following?

Which of the following ECG leads should be placed in the left midclavicular line?

The following diagram indicates the forced vital capacity for a patient before and after an albuterol treatment:The respiratory therapist should conclude the patient has

Prior to patient use, a bedside spirometer is calibrated to using a 3 L syringe. Resulting volumes are within 4% of 3.0 L. Which of the following actions should the respiratory therapist perform next?

A cardiopulmonary stress test is commonly used to determine the cause of: I. DyspneaII. Chest painIII. PalpatationIV. Chronic cough

A ventilator with a galvanic fuel cell analyzer is in use. The low FIO2 alarm is activated. The respiratory therapist confirms the ordered FIO2 is being delivered with another analyzer. Which of the following should the therapist do first with the original analyzer?

A 85 kg, 45 year old male sustained a lung contusion during a crash following  a high speed chase. He is receiving Vecuronium bromide (Norcuron) for neuromuscular blockage  and Lorazepam (Ativan) for sedation. He has been receiving pressure-controlled ventilation for 48 hours and following data are available:Mode                                 SIMVFIO2                                            0.70Set rate                              15Exhaled tidal volume        600 mlPEEP                                  20 cm H2OPIP                                      38 cm H2OInspiratory time                1.0 secpH                               7.30PaCO2                                     50 torrPaO2                                        45 torrHCO3                                      23 mEq/LBE                              -3  mEq/LWhich of the following should the respiratory therapist increase first?

A patient receiving mechanical ventilation has also been receiving inline bronchodilator treatments every 4 hours. To determine the effectiveness of these treatments over the last 24 hours, the respiratory therapist should review the patient’s records for changes in: