TMC Exam C Questions with Complete Solutions

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TMC Exam C Questions with Complete Solutions 1 / 31 1. The respiratory therapist should evaluate which of the following to develop a teaching plan for a patient who will be using a small volume nebulizer at home? a. manual dexterity b. highest grade level achieved in school c. spousal support d. English speaking proficiency: a. manual dexterity 2. Which of the following would be most beneficial in resolving microatelectasis? a. chest tubes b. percutaneous ventilation c. thoracentesis d. bronchoscopy: d. bronchoscopy 3. A 45 year-old patient is recovering in the intensive care unit after undergoing a surgical procedure to repair a hernia.The patient remains unconscious. To prevent soft tissue obstruction, the respiratory therapist should recommend a(n) a. double-lumen endobronchial tube b. oropharyngeal airway c. bite block d. nasopharyngeal airway: b. oropharyngeal airway 4. Quality control material has published values for pH of 7.20, PO2 of 65 mmHg. Documentation indicates the range of pH is 0.5% and is 3% for PO2. Machine results are as follows: Run 1: pH 7.19, PO2 64 Run 2: pH 7.10, PO2 69 Run 3: pH 7.21, PO2 65 Which quality control run(s) indicate the machine is out of control? a. Run 1 and 2 b. Run 2 and 3 c. Run 3 only d. Run 2 only: d. Run 2 only 5. A respiratory therapist is considering a patient's readiness to wean from mechanical ventilation. To determine the A-aDO2, the therapist will need which of the following? a. ABG and alveolar oxygen tension b. VD/VT and PAO2TMC Exam C Questions with Complete Solutions 2 / 31 c. CaO2 and PAO2 d. VD/VT and ABG: a. ABG and alveolar oxygen tension 6. A patient with increased airway resistance from a fixed upper airway obstruction would benefit most from which of the following? a. bronchodilator therapy b. epinephrine c. heliox therapy d. aerosolized atropine: c. heliox therapy 7. Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating which of the following? a. presence of a restrictive pulmonary defect b. effectiveness of cough c. presence of obstructive pulmonary defect d. inspiratory muscle strength: d. inspiratory muscle strength 8. An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes the oxygen coming from the end of the tubing and finds it is 60%. Which of the following most likely explains this finding? a. poorly calibrate analyzer b. excess water in the tubing c. low flow through the jet orifice d. leak in the tubing: b. excess water in the tubing

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