TMC EXAM C QUIZ PRACTICE QUESTIONS AND ANSWERS 2023- GRADED A+

TMC EXAM C QUIZ PRACTICE QUESTIONS AND ANSWERS 2023- GRADED A+ a. manual dexterity - CORRECT ANSWER-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 d. bronchoscopy - CORRECT ANSWER-Which of the following would be most beneficial in resolving microatelectasis? a. chest tubes b. percutaneous ventilation c. thoracentesis d. bronchoscopy b. oropharyngeal airway - CORRECT ANSWER-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 d. Run 2 only - CORRECT ANSWER-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 a. ABG and alveolar oxygen tension - CORRECT ANSWER-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 PAO2 c. CaO2 and PAO2 d. VD/VT and ABG c. heliox therapy - CORRECT ANSWER-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 d. inspiratory muscle strength - CORRECT ANSWER-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 b. excess water in the tubing - CORRECT ANSWER-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 a. examine the ventilator circuit for proper connections - CORRECT ANSWER-During a preoperational test of the ventilator with a test lung, the respiratory therapist notes a return tidal volume of 600 cc. Ventilator settings are: Mode: Assist/control FiO2: 0.50 Mandatory rate: 10 VT: 750 mL What action should the therapist take? a. examine the ventilator circuit for proper connections b. obtain a larger test lung c. increase the set tidal volume to 900 mL d. obtain a smaller test lung d. change the fuel cell - CORRECT ANSWER-During the preoperational test of the ventilator, the respiratory therapist notices the galvanic analyzer on the ventilator is reading erroneously low. Which of the following can the respiratory therapist do to correct the problem? a. replace the analyzer batteries b. replace the electrolyte solution in the analyzer c. tag the ventilator as non-functional and avoid placing it in service d. change the fuel cell b. poor hand washing among staff - CORRECT ANSWER-Which of the following is most likely to increase nosocomial infection in a hospital? a. use of an HME for 48 hours b. poor hand washing among staff c. frequent disconnection in the ventilator circuit d. use of alcohol-based hand cleaners b. disconnected thermistor line - CORRECT ANSWER-While monitoring a patient receiving mechanical ventilation, the respiratory therapist notices the low-pressure and low exhaled volume alarms are sounding. Which of the following could be the cause? a. kinked endotracheal tube b. disconnected thermistor line c. excess water in the inspiratory limb of the circuit d. herniated endotracheal tube cuff a. a fracture in the plastic wye - CORRECT ANSWER-A patient receiving positive pressure ventilation has a low-pressure alarm sounding. Which of the following could be the cause? a. a fracture in the plastic wye b. herniated cuff c. excess secretions in the airway d. kinked ET tube a. provide manual ventilation - CORRECT ANSWER-The high pressure alarm is sounding on a patient receiving volume controlled ventilation. The respiratory therapist should FIRST a. provide manual ventilation b. suction the patient c. observe the alarm panel to determine source d. cancel the alarm d. Anectine (succinylcholine chloride) - CORRECT ANSWER-Which of the following medications is shown to have sufficient affect when facial muscle twitching is observed? a. Halcion b. Curare (d-turbo curare) c. Romazicon d. Anectine (succinylcholine chloride) d. respirometer - CORRECT ANSWER-A respiratory therapist is preparing to measure SVC on a patient in the emergency department. Which of the following equipment is required? a. Collins water-seal spirometer b. Geissler tube c. Wheatstone bridge d. respirometer b. pressure manometer - CORRECT ANSWER-A respiratory therapist is asked to determine a patient's inspiratory muscle strength. Which of the following equipment is required for this evaluation? a. Fleisch pneumotrachometer b. pressure manometer c. respirometer d. peak flow meter b. peak flow meter - CORRECT ANSWER-A respiratory therapist is ordered to do a bedside assessment of the effectiveness of a bronchodilator on a patient with an acute asthmatic episode. Which of the following equipment will be needed to perform this evaluation? a. maximum inspiratory pressure manometer b. peak flow meter c. Collins water-seal spirometer d. respirometer a. 25/8 mmHg - CORRECT ANSWER-Which of the following pressures is most consistent with a normal pulmonary artery pressure (PAP)? a. 25/8 mmHg b. 12/8 mmHg c. 120/80 mmHg d. 25/4 mmHg d. change to an 80%/20% heliox mixture - CORRECT ANSWER-A patient receiving heliox therapy at 70%/30% mixture by non-rebreathing mask has the following arterial blood gas results: pH 7.35 / PaCO2 45 / PaO2 110 / HCO3 24 / BE 0 Which of the following actions is appropriate? a. change to a heliox mixture of 60%/40% b. discontinue heliox therapy c. switch to a partial rebreathing mask d. change to an 80%/20% heliox mixture c. use an air-entrainment mask set at 28% - CORRECT ANSWER-A COPD patient complains of shortness of breath while exercising with a 2 L/min nasal cannula. During exercise, SPO2 is noted to fall to 84%. Which of the following would be most helpful to the patient during exercise?