TMC Exam A with Questions and Solutions

TMC Exam A with Questions and Solutions A patient receiving mechanical ventilation has received Halcion in the last twenty minutes. The physician orders the institution of spontaeneous breathing trials to commence immediately. Which of the following medications would be most helpful to the patient? a. Meperidine b. Valium c. Romazicon (Flumazenil) d. Morphine Sulfate ANSWER c. Romazicon (Flumazenil) In preparation for ventilator weaning the physician requests a VD/VT ratio assessment. Which of the following is needed to determine the deadspace-tidal volume ratio? a. Single breath nitrogen elimination and caponographic data b. Helium dilution study and an arterial blood gas c. Arterial blood gases and capnographic data d. Helium dilution study and single breath nitrogen elimination ANSWER c. Arterial blood gases and capnographic data A respiratory therapist is determining a VD/VT ratio. Which of the following is needed to complete this analysis? a. VT and VA b. PetCO2 and PaCO2 c. FIO2 and PaO2 d. PECO2 and PaO2 ANSWER b. PetCO2 and PaCO2 Which of the following is LEAST likely to promote the spread of nosocomial infection in a hospital?