Lindsey Jones G Test Questions With Correct Answers

A respiratory therapist has achieved the following weaning parameters on a post-operative patient who experienced a total knee replacement. The SpO2 is 97% on 35% oxygen. Spont VT 480 mL VC 1600 mL VE 7.0 L MIP -4 cm H2O The next best action would be to A. reduce FIO2 to 0.30 B. return to full mechanical ventilation C. evaluate the MEF D. check the pressure manometer for leaks - Answer D In preparation for a smoking cessation class, the therapist should include information on which of the following agents? A. Aminophylline B. Sub-lingual Lidocaine spray C. Pronestyl D. nicotine patch - Answer D A respiratory therapy supervisor is responsible for making suggestions in the initial development of a smoking cessation program. Which of the following would be part of an effective smoking cessation program? A. Nicotine replacement therapy B. removing pulmonary irritants from the house C. daily COHb analysis D. daily completion of an asthma action plan - Answer A Heated humidification would be most important for a patient using A. an endotracheal tube B. a 6 L/min nasal cannula C. a Venturi mask set at FIO2 0.5 D. a face tent with an air entrainment device set at 50% - Answer A A 5-year old patient with acute epiglottitis has just received a tracheotomy and is returned to the emergency department for monitoring. The patient is now breathing through a tracheostomy tube. Which of the following is most important at this time? A. provide heated humidity B. provide cool aerosol therapy C. mechanical ventilatory support D. keep the tracheostomy tube cuff inflated - Answer A The preferred method of delivery for humidification for a pediatric patient during a transport lasting twelve hours is a (an) A. heated humidifier B. bubble humidifier C. HME D. cascade humidifier - Answer C The respiratory therapist is asked to estimate the alveolar minute ventilation on a spontaneously breathing 68 kg (150 lb) female who is receiving oxygen therapy by air-entrainment mask at FIO2 0.50. The following data is available Exhaled VT 450 mL mPAP 15 torr PaCO2 40 torr PaO2 70 torr Respiratory rate 12/min The therapist should report an alveolar minute ventilation of: A. 3.6 L/min B. 4.6 L/min C. 5.4 L/min D. 12.0 L/min - Answer A How many minutes will a full E cylinder oxygen tank last when running at 5 L/min? A. 90 minutes B. 616 minutes C. 1320 minutes D. 123 minutes - Answer D While performing oxygen rounds, the respiratory therapist visits a patient who is ordered to receive 5 L/min by nasal cannula with a bubble humidifier. The therapist finds the oxygen flow meter is reading 0 L/min, even though the knob is not in the off position, and there is no flow to the patient. Which of the following may cause this? A. low water level in the humidifier B. clogged down-tube C. loose humidifier bottle D. large hole in the cannula - Answer B A 9-year-old asthmatic patient has previously responded well to Xopenex via small-volume nebulizer. The patient is intubated and has been placed on mechanical ventilation for acute respiratory failure. The physician orders Xopenex to be delivered via SVN through the ventilator circuit. Which of the following is an important consideration for effective medication delivery? A. particle deposition will be increased B. an alpha I response is increased C. Placement of the nebulizer can result in variation of medication delivery D. tachycardia is more likely - Answer C Which of the following resistors is not associated with pressurizing the circuit for a patient receiving CPAP therapy? A. water-column B. weighted C. spring-loaded D. fixed orifice - Answer D While receiving nasal CPAP delivered by an infant ventilator, the patient is retracting and creating a fluctuating baseline pressure on the monometer. What should the respiratory therapist do? A. Suction the patient B. Adjust the threshold resistor C. Increase the flowrate D. Increase the size of the fixed orifice resistor - Answer C The respiratory therapist analyzes the oxygen percentage coming from the end of the aerosol tubing on a large-volume, nebulizer. The analysis shows a higher oxygen percentage than the set FIO2 on the air-entrainment device. Which of the following could be the reason for this disparity? A. depleted reservoir B. clogged down tube in the nebulizer C. kinked aerosol tubing D. leak in the aerosol tubing - Answer C The respiratory therapist is performing a preoperational test of a ventilator. The therapist notices the return volume is 200 mL less than the set tidal volume. The therapist should A. tag the ventilator as non-functional and isolate it from functional equipment B. notify the medical director and seek advice C. accept the results and place the ventilator into service D. check for a leak in the circuit or the circuit's connections - Answer D Which of the following methods would be most helpful to a patient weaning from mechanical ventilation who has a documented restrictive pulmonary defect and has been having difficulty in recent weaning attempts? A. pressure control ventilation B. pressure support C. permissive hypercapnia D. T-piece trials of 24 hour periods several times a week - Answer B Which alarm is most critical for a post-operative mechanically ventilated patient who has a machine rate of 4/min? A. low minute volume B. low pressure C. high pressure D. high respiratory rate - Answer A A patient intubated with a 7.0 mm endotracheal tube requires suctioning. Which of the following suction catheters would be most effective? A. 14 Fr catheter B. 16 Fr coude-tipped catheter C. 18 Fr catheter D. 10 Fr catheter - Answer D For which of the following vagal reflex response should the respiratory therapist monitor in a patient that is receiving nasotracheal suctioning: A. hypertension B. third degree heart block C. bradycardia D. increased systemic vascular resistance - Answer C The respiratory therapist reviews the results of a patient diagnosed with mixed restrictive and obstructive pulmonary defects. Which of the following data is NOT associated with this diagnosis? A. SVC of 68% of predicted B. FEV1/FVC% of 78% C. FEV1 of 75% of predicted D. FEF 200-1200 of 74% of predicted - Answer B A negative effect of mechanical PEEP is reduced A. venous return B. FIO2 C. atelectasis D. A-aDO2 - Answer A When considering appropriate staffing levels and proper care of patients, a respiratory therapy supervisor would include which of the following A. Individual skills of staff members B. previously missed therapy C. staff member preference D. frequency of declined therapy - Answer A While performing a routine ventilator a check on a patient with a balloon-tipped flow-directed pulmonary artery catheter in place, the respiratory therapist notices the inflection points on the waveform indicate the tip of the pulmonary artery catheter is improperly placed in the right ventricle. To correct this problem, the therapist should recommend A. recording the pulmonary artery pressure as shown on the waveform B. removing the catheter and inserting a new one C. twisting the catheter until pulmonary artery pressures are observed D. inflating the balloon and advancing the catheter - Answer D A respiratory therapist is preparing a patient who will be transferred home and will be ventilator dependent during the night. Which of the following devices would be most helpful to ensure adequate hydration of the patient's airway during the night? A. Heated wire ventilator circuit with water traps B. Cascade humidifier C. Large volume nebulizer D. Heat moisture exchanger (HME) - Answer D Which of the following Carboxyhemoglobin levels is consistent with that of a regular, frequent smoker? A. 6.5% B. 20% C. 1.5% D. 2.9% - Answer A Which of the following ABG results would the respiratory therapist expect to see for a patient who is experiencing an acute on chronic episode with known COPD? A. pH 7.33 PaCO2 55 mm Hg PaO2 52 mm Hg HCO3- 30 mEq/L B. pH 7.48 PaCO2 50 mm Hg PaO2 51 mm Hg HCO3- 34 mEq/L C. pH 7.28 PaCO2 62 mm Hg PaO2 49 mm Hg HCO3- 33 mEq/L D. pH 7.51 PaCO2 35 mm Hg PaO2 60 mm Hg HCO3- 29 mEq/L - Answer B Which of the following would NOT increase if inspiratory flow is increased on a time-cycled ventilator and pressure is not limited? A. Tidal volume B. Total rate C. Expiratory time D. Inspiratory pressure - Answer B Which of the following is the least important to consider when drawing an arterial blood sample? A. patient temperature B. needle size C. supplemental oxygen delivery mode D. FIO2 - Answer C A respiratory therapist enters the patient's room to do a routine breathing treatment and finds the patient has no obvious chest movement. After calling for help, the first action of the therapist should be to A. Begin mask-valve ventilation B. Perform chest compressions C. Place the patient on a 100% nonrebreathing mask D. Check for a pulse - Answer A A patient in the emergency room (ER) is showing inverted T waves on the 12-lead ECG tracing. The physician is interested in decreasing the work of the heart. The respiratory therapist should suggest A. administration of Crytodigin (digitalis) B. oxygen by nasal cannula at 5 L/min C. oxygen by nasal cannula at 2 L/min D. adminsitration of Nitroclycerin (Isordil) - Answer B The high pressure alarm is sounding on a patient who is receiving long-term mechanical ventilation. After manually ventilating the patient with a bag-valve, the respiratory therapist notices a large amount of thick sputum is lodged in the heat moisture exchanger (HME). The therapist should A. Replace the HME device with a new one B. Suction the HME device to remove secretions C. Clean the HME by soaking it in normal saline followed by a rinse D. Replace the HME with a heated humidifier - Answer D An infant delivered 2 hours prior is consistently cyanotic regardless of high levels of oxygenation administration. The physician would like to rule out patent ductus arteriosis. Which of the following tests should the respiratory therapist recommend A. Perform transillumination B. Compare PO2 values in the umbilical and brachial arteries C. Pass the feeding tube down both nares D. Insert a pulmonary artery catheter - Answer B A patient receiving volume-controlled ventilation has an oxygen saturation of 87% within moments after the low pressure ventilator alarm begins to sound. After providing manual ventilation with a bag valve, the respiratory therapist observes the bag is easier than normal to squeeze and that oxygen saturation continues to fall. Which of the following could be the cause of this observation? A. pneumothorax B. partial extubation C. ET tube cuff herniation D. excess secretions in the ET tube - Answer B A neonate who was born at 38 weeks of gestation is receiving oxygen therapy by oxyhood and a heated aerosol device at FIO2 1.0. Arterial blood gases show pH 7.41 PaO2 98 torr PaCO2 40 torr HCO3- 24 mEq/L BE -1 mEq/L The respiratory therapist will recommend which of the following? A. Maintaining current therapy B. Decreasing FIO2 to 0.90 C. Placing infant on a mechanical ventilator D. Decreasing FIO2 to 0.50 - Answer B A 4-year-old patient is demonstrating ventilatory difficulty with use of intercostal accessory muscles. The patient has a low grade fever and a loud, barky cough. Which of the following mostly likely represents the patient's condition? A. Bacterial infection B. Meningitis C. Laryngotracheobronchitis (croup) D. Acute epiglottitis - Answer C The respiratory therapist measures the volume when a patient maximally exhales after passively exhaling a normal tidal volume. Which of the following volumes has the therapist observed? A. FRC B. VC C. TLC D. ERV - Answer D What should a respiratory therapist monitor during the cardioversion of a patient who is alert, conscious, and calm? A. temperature B. pupillary reaction C. carotid pulse D. airway patency - Answer D