A physician ordered an increase in PEEP from 5 to 10 cm H2O for a patient recieving mechanical ventilation. Immediately after the new PEEP setting was initiated, the patient’s blood pressure decreased from 130/86 mmHg to 110/74 mmHg, and the heart rate increased by 30/min. Which of the following should the respiratory therapist recommend to the physician?

While reviewing a patient ventilator flow sheet, a respiratory therapist reads that the patient’s VD/VT is 0.65. This finding is most consistent with:

What is the normal range for PaCO2 ?

During a 5 second Pause while performing CPR, the respiratory therapist notes no palpable pulse and the following rythm on the patient ECG monitor is showing:The therapist should do which of the following?

A sudden drop in peak pressures during volume-controlled ventilation could be due to which of the following?I. Increased expiratory timeII. A leak in the endotracheal tube cuffIII. A malfunctioning exhalation valveIV. Low water level in the humidifier

A patient who is dyspneic and has COPD is breathing room air. The following arterial blood gas results are obtained:pH          7.32PaCO2    68 torrPaO2           49 torrHCO3      34 mEq/LBE         +9 mEq/LWhich of the following devices should be used for the administration of oxygen to this patient?

Which of the following devices is used to measure endotracheal tube cuff inflation pressure?

Following successful re-intubation and examination of a patient, the respiratory therapist should recommend:

A patient has been receiving an ultrasonic nebulizer treatment for 15 minutes with 3% saline. He begins to wheeze and complains shortness of breath. Which of the following should the respiratory therapist do?I. Discontinue the treatmentII. Notify the physicianIII.Continue the treatment with 0.9% salineIV. Monitor the patient

During resuscitation of an adult patient, the following ECG tracing is observed:When should sodium bicarbonate be considered?