TMC Exam A 2022/2023 Questions and Answers

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c. Romazicon (Flumazenil) - ANSWER 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 c. Arterial blood gases and capnographic data - ANSWER 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 b. PetCO2 and PaCO2 - ANSWER 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 d. Use of unit dose medication - ANSWER Which of the following is LEAST likely to promote the spread of nosocomial infection in a hospital? a. Poor hand washing among staff b. Frequent disconnection of a ventilator circuit c. Changing small volume nebulizer equipment every 48 hours d. Use of unit dose medication d. RBC - ANSWER Which of the following can be used to estimate the level of Hemoglobin? a. C(a-v)O2 b. PAO2 c. Theophylline level d. RBC a. Low volume - ANSWER Which of the following alarms would be most important for a patient receiving positive pressure ventilation by a pressure-cycled ventilator? a. Low volume b. I:E ratio c. Low FIO2 d. High pressure a. Longer tracheostomy tube - ANSWER Patients with large necks who experience frequent dislodging of their tracheostomy tubes need (a) a. Longer tracheostomy tube b. Shorter tracheostomy tube c. Larger tracheostomy tube d. Nasal intubation b. Concha heated humidifier - ANSWER Which of the following would be most effective at resolving a humidity deficit for a patient who is intubated with an 8.0-mm endotracheal tube? a. Large volume nebulizer b. Concha heated humidifier c. HME d. Bubble humidifier b. Edrophonium bromide - ANSWER A patient with suspected myasthenia gravis in the emergency room should receive which of the following to confirm a diagnosis? a. Norcuron b. Edrophonium bromide c. Neostigmine d. Meperidine (Demerol) a. Choose a radial site with adequate ulnar circulation - ANSWER Which of the following is an important action when drawing an arterial blood gas sample? a. Choose a radial site with adequate ulnar circulation b. Use a 16 gauge needle c. Compress the site prior to puncture d. Run the sample within 15 minutes d. Heliox therapy - ANSWER Which of the following would be most helpful for a patient with fixed upper airway obstruction? a. Aerosolized epinephrine b. Beta II agonist medication c. Corticosteroids d. Heliox therapy a. Air-entrainment mask - ANSWER Which of the following oxygen modalities would be appropriate for a 220-lb (100-kg) male with diabetic ketoacidosis who requires 40% supplemental oxygen? a. Air-entrainment mask b. Non-rebreathing mask c. Nasal cannula d. Simple mask c. Begin mouth-to-mouth resuscitation - ANSWER While administering a treatment with Albuterol to a patient with COPD, the therapist notes a sudden change in the patient's color to marked cyanosis. The patient appears apneic and the heart rate on the pulse oximeter indicates 30/min. The therapist should FIRST a. Administer oxygen by non-rebreathing mask b. Auscultate breath sounds c. Begin mouth-to-mouth resuscitation d. Go get help d. Decrease PEEP - ANSWER A 70-kg (154-lb) female patient is receiving mechanical ventilation on the following settings: Mode: assist/control Mandatory rate: 14 Total rate: 14 VT: 500 mL FiO2: 0.55 PEEP: 12 cmH2O Arterial blood gases revel pH 7.49 / PaCO2 32 / PaO2 109 / HCO3 24 / BE 0 The respiratory therapist should a. Decrease mandatory rate b. Decrease FIO2 c. Increase mandatory rate d. Decrease PEEP b. Clamp the chest tube for 24 hours - ANSWER Prior to the removal of chest tubes, which of the following should be done? a. The chest tube should be expose to normal atmospheric pressure b. Clamp the chest tube for 24 hours c. Flush the chest tube with normal saline d. Suction pressure should be increased temporarily a. Pass-Muir valve - ANSWER Which of the following will help a patent to speak while intubated with a tracheostomy tube? a. Pass-Muir valve b. Inner cannula c. Double lumen endotracheal tube d. Obturator d. Record an MEP of 36 cmH2O - ANSWER Prior to obtaining an MEP value with a pressure manometer, the respiratory therapist notes the needle is pointing at a positive pressure of -4 cmH2O prior to the maneuver. During the MEP maneuver, the needle reaches 32 cmH2O. The therapist should a. Report the problem to the medical director b. Record an MEP of -28 cmH2O c. Record an MEP of 28 cmH2O [Show More]

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