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A post-op patient is receiving 50% oxygen via an air-entrainment nebulizer. The SpO2 has decreased to 90% and the minute ventilation is 13.9 L/min. Which of the following would increase the total flow to the patient to maintain an oxygen delivery of 50%?I. Bleed in 5 L/min to the air-entrainment nebulizerII. change to a dual flow nebulizer device with both air-entrainment nebulizers set at 50% with     15 L/min flowIII. Switch to a gas-injection nebulizer (GIN) with an oxygen flow rate set at 22 L/min and an       air flow meter set at 37 L/min

When we think about us and them, “them” refers to the

Which of the following medications can be administered via the ETT if and IV access cannot be established during a code situation?I. atropineII. isoproterenolIII. epinephrineIV. sodium bicarbonate

A patient is being weaned from mechanical ventilation by placing them on a Briggs T-adaptor trials. The physician orders for 15 minute trials each hour. The following were obtained prior to the first trial:HR: 80 bpmVC: 10 mL/kgFiO2: 0.40SpO2: 94%After breathing 10 minutes on the Briggs T-adaptor, the following are measured:HR: 100 bpmVC: 5 mL/kgFiO2: 0.40SpO2: 86%What should the respiratory therapist recommend?

Between 1994 and 2003, there was a 40-fold increase in the number of people under age 20 who were given a diagnosis of

Delayed termination during pressure support ventilation (PSV) can be avoided with patients who have chronic obstructive pulmonary disease (COPD) by doing which of the following?

A 2year old boy enters the emergency room drooling and in respiratory distress with stridor. The physician believes she is suffering from epiglottitis but tonsillitis and foreign body aspiration cannot be ruled out. Which of the following diagnostic procedures should the RRT recommend?

Totaram believes that the government can read his thoughts and is spying on him. He hears voices telling him that the government is plotting to take his house and imprison him because he is a superhero. Totaram is most clearly suffering from

An RT in a pulmonary function lab is calibrating the PFT machine with a 3-liter calibration syringe prior to performing the pulmonary function test on a patient. After displacing the volume from the syringe into the spirometer in the span of 5 seconds, the volume recorded is 2.7 liters. Which of the following conditions might account for this reading?I. the syringe might not have been completely filled before the calibration maneuverII. the spirometer may have a leakIII. the RRT injected the volume too slowlyIV. the hose from the syringe to the spirometer was not attached

Identify the unconditioned stimulus(UCS), Conditioned stimulus(CS), Unconditioned response(UCR) & Conditioned response(CR) in the following scenario: Alex receives hormone therapy and often vomits during or shortly after the procedure. After several hormone therapysessions, Alex begins feeling sick at the sight of the treatment room.