Kettering Practice Exam

160 Questions  I  By LynnetHuggins
The CRT Practice exam that is in the Kettering package.

  
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1.  What is the normal range for pulmonary capillary wedge pressure in an adult?    
A.
B.
C.
D.
2.  Which of the following techniques measures total lung capacity? 1. Helium dilution 2. Body plethysmograph 3. Single Breath Nitrogen Elimination
A.
B.
C.
D.
3.  Which of the following will give the most accurate measurements of volume and flow? 
A.
B.
C.
D.
4.  The most significant problem associated with the use of a bronchoscope is 
A.
B.
C.
D.
5.  All of the following are true statements about spacers and holding chambers, EXCEPT 
A.
B.
C.
D.
6.  During oral endotracheal intubation, the tip of the Macintosh laryngoscope blade should be placed 
A.
B.
C.
D.
7.  A heat moisture exchanger (HME) could be appropriately used in which of the following situations?  1. Long term mechanical ventilation  2. Short term mechanical ventilation  3. Transport mechanical ventilation 
A.
B.
C.
D.
8.  Which of the following statements is true concerning positive expiratory pressure (PEP) therapy? 
A.
B.
C.
D.
9.  Which of the following drug(s) can be administered via an endotracheal tube? 1. naloxone (Narcan) 2. epinephrine (Adrenaline) 3. diazepam (Valium) 
A.
B.
C.
D.
10.  Which of the following drugs will increase cardiac output and decrease pulmonary vascular resistance? 
A.
B.
C.
D.
11.  Which of the following drugs will lower blood pressure and decrease right ventricular preload by direct vasodilation? 
A.
B.
C.
D.
12.  Which of the following drugs should the therapist recommend for a patient with a serious gram negative infection? 
A.
B.
C.
D.
13.  A patient has taken an overdose of morphine. What drug is indicated to counteract the effects of the morphine? 
A.
B.
C.
D.
14.  A patient with a head injury has increased intracranial swelling. What drug(s) should the therapist recommend to reduce the ICP?  1. acetazolamide (Diamox) 2. mannitol (Osmitrol) 3. succinylcholine (Anectine) 
A.
B.
C.
D.
15.   What is the recommended I:E ratio for NPPV? 
A.
B.
C.
D.
16.  All of the following statements are true concerning NPPV ventilation EXCEPT 
A.
B.
C.
D.
17.  Which of the following controls are available on a chest cuirass ventilator? 1. Tidal volume 2. FI02 3. Inspiratory Time 4. Negative Pressure 5. Flowrate 
A.
B.
C.
D.
18.  What is the correct formula to measure the static lung compliance of a patient on a volume-limited ventilator? 
A.
B.
C.
D.
19.  Which artery should a therapist palpate when deciding whether to initiate chest compressions on an adult patient? 
A.
B.
C.
D.
20.  When initiating oxygen therapy on a patient with a nasal cannula, the therapist would need all of the following EXCEPT 
A.
B.
C.
D.
21.  Mycobacterium tuberculosis is spread primarily by 
A.
B.
C.
D.
22.  Which of the following presents the greatest potential for nosocomial infection? 
A.
B.
C.
D.
23.  The distribution of ventilation in the lungs is measured by: 1. Phase III of the SBN2 Elimination Test 2. N2 wash out time 3. Ventilation lung scan 
A.
B.
C.
D.
24.  Measurement of the PD20% is significant for which of the following? 
A.
B.
C.
D.
25.  A patient develops ascites and shortness of breath. Where is tissue edema most likely to show up first? 
A.
B.
C.
D.
26.  A patient has frequent premature ventricular contractions. Which of the following laboratory measurements would be helpful in determining the cause? 1. Ca02 2. BUN 3. serum electrolytes 
A.
B.
C.
D.
27.  A 48-year-old man is brought to the emergency department after collapsing in a restaurant. Auscultation reveals fine rales in both bases and the electrocardiogram shows a right axis deviation with significant Q waves in leads I and AVL. What is the most likely diagnosis for this patient? 
A.
B.
C.
D.
28.  A patient's chest x-ray reveals increased vascular engorgement emanating from the hilar area in a bat-wing pattern. What is the most likely cause of this finding? 
A.
B.
C.
D.
29.  A patient's electrocardiogram shows a _ depressed S-T segment and inverted T waves during an exercise tolerance test. This would indicate 
A.
B.
C.
D.
30.  During bedside assessment, the therapist auscultates the patient's chest and determines that the patient has bilateral inspiratory and expiratory wheezing. This would imply the patient has 
A.
B.
C.
D.
31.  A flattened diaphragm, widened intercostal spaces and blunting of the costophrenic angles on a chest x-ray would be most consistent with 
A.
B.
C.
D.
32.  Chest x-ray findings of a right-shift of the mediastinum, hyperlucency of the left chest with absent vascular markings would be most likely caused by 
A.
B.
C.
D.
33.  A fiberoptic light source is placed on an infant's right thorax. A lighted halo is seen around the point of contact. The light is then placed on the infant's left chest and no light can be seen. This would indicate that 
A.
B.
C.
D.
34.  Which of the following pieces of equipment would be LEAST appropriate for the victim of a house fire? 
A.
B.
C.
D.
35.  A patient has a transcutaneous oxygen monitor ordered. In order to properly maintain the monitor the therapist should 
A.
B.
C.
D.
36.  A patient is suspected of having developed a pulmonary embolus. Which of the following tests should the therapist recommend to confirm the diagnosis? 
A.
B.
C.
D.
37.  The physician has ordered a shunt study for a patient. After administering 100% oxygen for 20 minutes arterial and mixed venous blood gases are obtained and analyzed:  The patient's PA02 is determined to be 650 mmHg. This would indicate the patient has 
A.
B.
C.
D.
38.  The patient's P(A-a)02 is calculated to be 410 torr. This should be interpreted as 
A.
B.
C.
D.
39.  Based on the P(A-a)02 the respiratory therapist should inform the physician this patient most likely has a problem with 
A.
B.
C.
D.
40.  A patient's Ca02 is 20.1 vol% and the CV02 is 14.6 vol%. The oxygen consumption is 220 mLlmin. The patient's cardiac output would be 
A.
B.
C.
D.
41.  A post-operative patient appears tachypneic and anxious. The patient's PaC02 is 40 torr and the PEC02 is 10 torr. What does this data indicate? 
A.
B.
C.
D.
42.  A patient with chronic ventilatory failure enters the emergency room. The following blood gases and vital signs are obtained while he is breathing room air:  The patient is alert and oriented yet complaining of shortness of breath. Which of the following is the correct acid-base interpretation of these results? 
A.
B.
C.
D.
43.  Serial measurements of the Ca02 and CV02 have been gathered on a patient receiving mechanical ventilation following coronary artery bypass surgery. Which of the a-v content differences below show the greatest decrease in cardiac output? 
A.
B.
C.
D.
44.  A 10-year-old patient with asthma needs to monitor his airflow improvement following each Beta-2 agonist treatment taken at home. Which of the following should the therapist recommend? 
A.
B.
C.
D.
45.  Which of the following can be used to calculate inspiratory capacity? 
A.
B.
C.
D.
46.  The pulmonologist has ordered pulmonary function studies on a patient with severe kyphoscoliosis. Which method would be best to obtain the patient's height? 
A.
B.
C.
D.
47.  The following flow-volume loop was obtained from a 58-year-old man.  What is the most likely diagnosis? 
A.
B.
C.
D.
48.  The following pulmonary function data was obtained from a patient:  These values would be consistent with which of the following conditions? 1. Restrictive pulmonary disease 2. Obstructive pulmonary disease 3. Pulmonary diffusion defect 
A.
B.
C.
D.
49.  A therapist obtains the following information from a patient:  Given this information, this patient 
A.
B.
C.
D.
50.  When the FI02 setting on a large volume nebulizer is changed from 40% to 60%, which of the following will occur? 1. Total flow to the patient will increase 2. More air will be entrained through the nebulizer 3. The density of the aerosol will increase 
A.
B.
C.
D.
51.  An adult patient is intubated with a 7.0 mm 10 endotracheal tube. What size suction catheter should be used to suction this patient? 
A.
B.
C.
D.
52.  A patient with chronic bronchitis is to receive therapy to help remove a large amount of thick purulent secretions. Which of the following devices would be most helpful? 1. mechanical percussor 2. incentive spirometer 3. heated humidifier 4. ultrasonic nebulizer 
A.
B.
C.
D.
53.  A patient is receiving 60% oxygen via a heated nebulizer. The therapist notes that there is insufficient aerosol flow being delivered to the patient. Possible reasons for this include 1. water collecting in tubing 2. low nebulizer water level 3. excessive flow 4. shallow breathing 
A.
B.
C.
D.
54.  A patient has a tracheostomy tube in place. The measured cuff pressure is 28 torr. Which of the following statements is/are true of this situation? 1. The pressure is appropriate for minimal tracheal occlusion. 2. This pressure will most likely cause arterial occlusion. 3. At this pressure, only lymphatic flow will be affected. 4. The pressure will cause tracheal necrosis if maintained. 
A.
B.
C.
D.
55.  A patient has just been intubated with a naso- tracheal tube and is being manually ventilated. As the therapist ventilates the patient, he notices that there is no chest movement, minimal breath sounds and air escaping from the mouth as the bag is squeezed. A chest x-ray has determined that the endotracheal tube is in the correct position. What is the most likely cause of this situation? 
A.
B.
C.
D.
56.  A 2-year-old child with croup has been intubated for 4 days with a 4 mm ID uncuffed endotracheal tube. Heated aerosol at an FI02 of .21 has been delivered to the patient. The physician asks the therapist to evaluate the patient for possible extubation. Which of the following would most likely indicate that the patient is ready for extubation? 
A.
B.
C.
D.
57.  The therapist receives an order for postural drainage and vibration. With the bed flat, the therapist places the patient in a prone position with pillows under his hips. Which lung segments are being treated with this position? 
A.
B.
C.
D.
58.  During CPR the physician is having difficulty establishing an IV route to administer emergency medications. The therapist should recommend that the physician 
A.
B.
C.
D.
59.  While using a pressure-cycled ventilator, an increase in the patient's static lung compliance will 
A.
B.
C.
D.
60.  A pressure-cycled ventilator being used for continuous ventilation fails to cycle into inspiration. This might be caused by: 1. Sensitivity set too high 2. Failure of apnea control 3. An obstruction in the system 4. Expiratory line disconnected 
A.
B.
C.
D.
61.  A patient is receiving controlled ventilation via a Bird Mark 7 ventilator. Suddenly, the ventilator will not cycle into expiration. This problem may be caused by 1. development of pneumothorax. 2. disconnected expiratory valve. 3. leak in the patient tubing. 4. ruptured endotracheal tube cuff. 
A.
B.
C.
D.
62.  Proper instruction for a post-op appendectomy patient receiving incentive spirometry therapy would include: 1. Deep inspirations 2. Inspiratory hold 3. Strong cough effort 4. Pursed lip breathing 
A.
B.
C.
D.
63.  A patient with an artificial airway in place is being ventilated with a pressure cycled ventilator that will not cycle off at end- inspiration. The most likely problem is 
A.
B.
C.
D.
64.  Which of the following will increase the volume delivered to a patient on a pressure limited ventilator?  1. Decreasing the sensitivity 2. Increasing the flow setting 3. Decreasing the flow setting 4. Increasing the pressure setting 
A.
B.
C.
D.
65.  The therapist wants to increase the minute volume for a patient receiving continuous ventilation with a volume-cycled ventilator. Which controls could help accomplish this? 1. Rate 2. Pressure limit 3. Tidal volume 4. Flowrate 
A.
B.
C.
D.
66.  Over the last hour a patient being ventilated with a volume cycled ventilator in the control mode has had a decrease in urine output from 35 mLlhour to 10 mLlhour. The most likely cause of this change would be an increase in the 
A.
B.
C.
D.
67.  The following data has been obtained from four patients who are receiving mechanical ventilation:  Which of the patients meets the criteria for weaning from mechanical ventilation? 
A.
B.
C.
D.
68.  A patient with ARDS is receiving mechanical ventilation in the SIMV mode with an FI02 of 0.60. The physician asks the therapist to perform an optimal PEEP study and the following data is obtained:  What is the optimal PEEP level for this patient? 
A.
B.
C.
D.
69.  A patient requires mechanical ventilation as a result of multiple trauma sustained in an automobile accident several days ago. The current settings are as follows:  The following hemodynamic values have been obtained over the past 4 hours:  The most probable cause for the change in the pressure values would be 
A.
B.
C.
D.
70.  A patient has been weaned from mechanical ventilation. The physician would like the patient's respiratory muscle strength evaluated to determine further weanability. The therapist should evaluate which of the following? 1. VDNT 2. VE 3. MIP 4. CST 5. VC 
A.
B.
C.
D.
71.  A patient's minute volume is 8.5 Llmin and the respiratory rate is 13. What is the tidal volume? 
A.
B.
C.
D.
72.  A patient has reduced lung compliance. Which of the following approaches to ventilation would decrease the risk of barotrauma? 
A.
B.
C.
D.
73.  In order to reduce a patient's PaC02 from 40 torr to 32 torr, all of the following could be increased EXCEPT 
A.
B.
C.
D.
74.  A change in airway resistance would be reflected by a change in 
A.
B.
C.
D.
75.  ll of the following could cause the high pressure alarm on a volume cycled ventilator to sound EXCEPT 
A.
B.
C.
D.
76.  The first parameter to measure when a mechanically ventilated patient is placed on PEEP is 
A.
B.
C.
D.
77.  Which of the following would NOT occur when increasing the flowrate on a constant flow, volume-cycled ventilator that is in the control mode? 
A.
B.
C.
D.
78.  Which of the following would indicate that the lung compliance of a patient on a volume cycled ventilator is increasing? 
A.
B.
C.
D.
79.  When initiating mechanical ventilation for a patient with chronic CO2 retention, the therapist must assure adequate inspiratory flow in order to prevent 
A.
B.
C.
D.
80.  A therapist is administering one rescuer CPR to an adult victim. Another therapist enters the room to help. The therapist doing chest compressions should 
A.
B.
C.
D.
81.  During resuscitation efforts, the therapist notes that the resuscitation bag collapses easily when squeezed and there is no evidence of chest expansion. What would cause this to occur? 
A.
B.
C.
D.
82.  The therapist is resuscitating a patient with chronic CO2 retention. Which of the following flow rates and oxygen concentrations should the therapist use to resuscitate this patient? 
A.
B.
C.
D.
83.  The respiratory therapist is performing manual ventilation via endotracheal tube during cardiopulmonary resuscitation. The patient is a 65-year-old male with a history of lung carcinoma with recurrent pleural effusion. The therapist notes increased resistance during manual ventilation with decreased chest movement and diminished breath sounds on the left. The therapist's first response should be to 
A.
B.
C.
D.
84.  Polysomnography is conducted on a 46-year- old obese woman who complains of insomnia and nocturnal dyspnea. The following results were obtained:  This pattern represents 
A.
B.
C.
D.
85.  A patient is receiving oxygen therapy via a heated nebulizer with an FI02 of 0.60 at a flow of 8 Llmin. What is the total flow delivered to the patient? 
A.
B.
C.
D.
86.  A patient is receiving 40% oxygen via a Venturi-mask at 8 Llmin. While performing oxygen rounds, the therapist notes that the flowmeter setting has been changed to 12 Llmin. How would this change affect the accuracy of the delivery device? 
A.
B.
C.
D.
87.  A patient is receiving heliox therapy with an 80%/20% mixture via non-rebreathing mask. The therapist is using an oxygen flowmeter to deliver the gas mixture. The flowmeter is set at a flow of 10 Llmin. What is the actual flow being delivered to the patient? 
A.
B.
C.
D.
88.  Which of the following devices is best suited for administration of oxygen to a patient with acute pulmonary edema? 
A.
B.
C.
D.
89.  A patient with tachypnea and a history of COPO is in the Emergency Room complaining of dyspnea. The ER physician orders oxygen therapy at an FI02 of 0.28. Which of the following devices would be most appropriate for this patient? 
A.
B.
C.
D.
90.  The therapist collects the following data from a patient:  Which of the following would be the most appropriate initial device for providing 40% oxygen to this patient? 
A.
B.
C.
D.
91.  A patient with asthma records his peak flow as 75% of his personal best. This indicates that the patient is in which of the following peak flow zones? 
A.
B.
C.
D.
92.  A patient has been sent to Radiology for a PET scan. The patient is on oxygen at 5 Llmin. from an E cylinder reading 1500 psi. How long will the E cylinder last if run until empty? 
A.
B.
C.
D.
93.  A nursing home patient is being transported to the hospital for treatment of pneumonia. The patient is placed on a venturi device at 0.4 oxygen and cardiac monitoring. During transport, the patient becomes agitated and has a heart rate of 120 bpm. What is the most likely cause of this problem? 
A.
B.
C.
D.
94.  After completing oxygen rounds the respiratory therapist must clean flowmeters that were removed from rooms where no patients were receiving oxygen therapy. Which of the following methods is most appropriate for disinfection of the flowmeters? 
A.
B.
C.
D.
95.  A patient has been participating in Pulmonary Rehabilitation for the past 5 weeks. The patient has recorded the results of his 6 minute walk test each week. The results indicate a steady increase in distance over the 5 week period. These results are consistent with 
A.
B.
C.
D.
96.  The therapist is to suction a patient who has tested positive for the human immunodeficiency virus (HIV). Which of the following is the most appropriate infection control procedure to use for this patient? 
A.
B.
C.
D.
97.  A premature infant has difficulty with oxygenation. The physician asks the respiratory therapist to rule out a patent ductus arteriosus. Which of the following methods would be most appropriate? 
A.
B.
C.
D.
98.  While performing auscultation of a patient's chest the therapist detects inspiratory stridor. Which of the following is most closely associated with this finding? 
A.
B.
C.
D.
99.  To ensure that a patient on mechanical ventilation is receiving the actual volume the physician has ordered, which of the following should the respiratory therapist utilize? 
A.
B.
C.
D.
100.  The Respiratory Care Department manager is budgeting for point-of-care testing equipment. Which of the following types of equipment could the manager consider for purchase to determine oxygen level in stable patients? 
A.
B.
C.
D.
101.  The following data was collected during a pre-op pulmonary function test:  These results would represent 
A.
B.
C.
D.
102.  A patient being weaned from mechanical ventilation has had his minute ventilation reduced from 12 L/min to 8 L/min. Which of the following would be the best indicator that this patient should not be weaned at this time? 
A.
B.
C.
D.
103.  To reduce the chance of transmitting an infection from patient to patient, the therapist should 
A.
B.
C.
D.
104.  Assessment of a patient's activities of daily living is used to determine all of the following EXCEPT 
A.
B.
C.
D.
105.  The therapist receives an order to administer bronchodilator therapy with albuterol. To reduce the chance of cross contamination, which route of administration should the therapist recommend? 
A.
B.
C.
D.
106.  A patient receiving a loop diuretic such as furosemide (Lasix) would most likely need what type of electrolyte replacement? 1. K+ 2. Na+ 3. CI- 4. HC03- 
A.
B.
C.
D.
107.  A patient in the intensive care area has the following laboratory data:  Which of the following would you recommend based on these results? 
A.
B.
C.
D.
108.  A newborn infant has an APGAR score of 8 one minute after delivery. The most appropriate action at this time would be to 
A.
B.
C.
D.
109.  A therapist enters a patient's room during oxygen rounds. The patient has end-stage emphysema and appears to be sleeping. The patient doesn't respond to questions and his pulse is 20 bpm. The therapist should immediately 
A.
B.
C.
D.
110.  While attempting to calibrate a polarographic oxygen analyzer, the therapist notices that the analyzer reads 21 % when exposed to room air but only reads 64% when exposed to 100% oxygen. The most appropriate action at this time would be to 
A.
B.
C.
D.
111.  A 25-year-old, 58 kg (130 Ib) female is admitted to ICU after an emergency C- section. The patient is receiving mechanical ventilation via volume control ventilator. The current ventilator settings are:  The following laboratory data are available:  The respiratory therapist should recommend increasing which of the following? 
A.
B.
C.
D.
112.  A 46-year-old patient who sustained a head injury is in the third day of hospitalization. The patient is intubated and receiving 65% oxygen via heated aerosol and a Brigg's adapter. The therapist has just obtained arterial blood gas tension measurements as follows:  The respiratory therapist should recommend 
A.
B.
C.
D.
113.  A patient is being mechanically ventilated at the following settings: The laboratory results are listed below: The respiratory therapist should recommend which of the following? 
A.
B.
C.
D.
114.  The respiratory therapist has analyzed the FI02 of a patient receiving 40% O2 via an aerosol mask. The therapist notes that the analyzed FI02 is 38%. The therapist should 
A.
B.
C.
D.
115.  A 75 Kg (150 Ib) patient is receiving volume- controlled mechanical ventilation in the SIMV mode with flow-triggering. The current ventilator settings are:  The laboratory results indicate:  The respiratory therapist should recommend increasing which of the following? 
A.
B.
C.
D.
116.  A 29-year-old male patient sustains multiple trauma in a motorcycle accident. The patient has rib fractures and x-ray reveals possible lung contusions. He is on a non-rebreathing mask at an FI02 of 75%. ABG reveal:  This patient would benefit most from which of the following? 
A.
B.
C.
D.
117.  The physician requests assistance in establishing a patent airway for a conscious patient who requires frequent suctioning. The therapist should recommend insertion of a/an 
A.
B.
C.
D.
118.  A heat moisture exchanger (HME) is being utilized in a ventilator circuit. The therapist notices that the device has become clogged with secretions. The therapist should 
A.
B.
C.
D.
119.  While conducting oxygen rounds, the therapist notices that there is no mist coming from the reservoir tubing on a Briggs adapter. What action should the therapist take at this time? 
A.
B.
C.
D.
120.  A 48-year-old patient is intubated with a size 8 mm 10 cuffed tracheostomy tube and is receiving continuous mechanical ventilation via volume ventilation. At the beginning of the shift, the cuff pressure was 20 mmHg with peak inspiratory pressure reading 34 cmH20. Four hours later the therapist notices that the peak inspiratory pressure is only reaching 14 cmH20. The therapist should 
A.
B.
C.
D.
121.  A nasally intubated patient is receiving mechanical ventilation via volume-cycled ventilator. While performing a patient- ventilator system check, the therapist notices that the high pressure alarm is sounding. The patient appears cyanotic and his heart rate is 48 beats per minute. The therapist is unable to pass a suction catheter. Thetherapist should 
A.
B.
C.
D.
122.  A patient with Myasthenia Gravis is being evaluated for removal of his fenestrated tracheostomy tube. The inner cannula is removed and the tube has been plugged. While examining the patient, the therapist notes that the patient is having difficulty swallowing and handling secretions, increased muscle weakness and a weak cough. Which of the following should the therapist consider at this time? 
A.
B.
C.
D.
123.  Several hours after extubation, a patient shows signs of mild inspiratory stridor, respiratory rate of 18 and moderate accessory muscle usage. Which of the following should the therapist recommend for the patient's care? 1. Reintubation of the patient 2. Administration of racemic epinephrine via medication nebulizer 3. Cool aerosol therapy 4. Emergency tracheostomy  
A.
B.
C.
D.
124.  The following volume / pressure loop was obtained while performing a routine ventilator check.  Which of the following should the respiratory therapist recommend? 
A.
B.
C.
D.
125.  The therapist has initiated ultrasonic therapy with 0.45% saline for a patient with bronchial pneumonia. After approximately 5 minutes of the treatment the patient begins to complain of shortness of breath. Upon auscultation the therapist notes severely diminished breath sounds and rhonchi. The patient is cyanotic, tachypneic, tachycardic, and retracting. Which of the following should the therapist perform first? 
A.
B.
C.
D.
126.  The therapist is verifying the ventilator parameters on a patient being ventilated by volume cycled ventilator. He notices that the exhaled tidal volume is 200 mL and the ordered tidal volume is 750 mL. The cuff pressure is 5 mmHg. After insertion of 10 cc of air, the cuff pressure is still 5 mmHg. Which of the following should the therapist do at this time? 
A.
B.
C.
D.
127.  A patient's x-ray shows diffuse infiltrates in the lower lobes, auscultation reveals coarse rhonchi and rales bilaterally, and has a slight temperature is noted. Which of the following should the therapist recommend to improve her ventilation? 
A.
B.
C.
D.
128.  A patient with asthma enters the emergency room. Auscultation reveals bilateral wheezes. Which of the following drugs would be the most appropriate to administer at this time? 
A.
B.
C.
D.
129.  Which of the following drugs would be indicated for a 10-year-old patient with asthma who presents to the emergency room with acute, extrinsically-induced bronchospasm? 1. Montelukast 2. Epinephrine 3. Aminophylline 4. Cromolyn sodium 5. Levalbuterol 
A.
B.
C.
D.
130.  A patient arrives in the emergency room with burns around her face and marked inspiratory stridor. The most appropriate action at this time would be to 
A.
B.
C.
D.
131.  A therapist is administering IPPB to a patient using a Bird Mark VII ventilator. The patient slumps over in bed and does not cycle the machine. Which of the following would be appropriate for the therapist to do at this time? 1. Manually cycle the ventilator 2. Turn the expiratory control timer so that the machine delivers 12 b/min. 3. Assess the patient's responsiveness 4. Check for exhaled air over the mouth and nose 
A.
B.
C.
D.
132.  A patient's chest X-ray reveals atelectasis. The patient is being ventilated with a volume- cycled ventilator and the physician would like the therapist to recommend modifications to reverse the atelectasis. Appropriate recommendations would include 1. increase the respiratory rate. 2. add PEEP. 3. increase the FI02. 4. add inspiratory hold. 
A.
B.
C.
D.
133.  A patient has the following arterial blood gas results:  The patient is being ventilated with a volume cycled ventilator on 40% FI02. The most appropriate action would be to 
A.
B.
C.
D.
134.  A patient is being ventilated with a volume controlled ventilator following Current settings include:  On the basis of the above information the most appropriate action would be to 
A.
B.
C.
D.
135.  A patient with a flail chest has been placed on a volume cycled ventilator in the emergency room at the following settings:  The patient is conscious and very agitated. The high pressure alarm is sounding with every other breath. After twenty minutes, blood gases show: .  In this situation which of the following would be most appropriate? 
A.
B.
C.
D.
136.  A patient is being weaned from continuous mechanical ventilation and the following data is recorded during the weaning period:  Which of the following should the therapist recommend? 
A.
B.
C.
D.
137.  The following data has been collected from a patient being ventilated with a High Frequency Jet Ventilator:  Appropriate recommendations at this time include 1. Increase amplitude 2. Increase FI02 3. Add PEEP 4. Increase set tidal volume 5. Administer whole blood 
A.
B.
C.
D.
138.  A volume cycled ventilator is being used to ventilate a 55 kg patient who has the following blood gas measurements:  Ventilator parameters include the following:  The physician would like to normalize the blood gases. Which of the following would best accomplish this? 
A.
B.
C.
D.
139.  A 60 kg (132Ib) post-op craniotomy patient is receiving volume ventilation at a tidal volume of 900 mL and a rate of 16 b/m. The patient's arterial blood gas results are as follows:  The therapist should recommend 
A.
B.
C.
D.
140.  During medical rounds the physician asks the therapist to determine if a patient can tolerate weaning from mechanical ventilation. The following information is obtained: SIMV mode, mandatory rate 1O/min,total rate 10/min, VT 650 mL, FI02 0.4, + 5 PEEP Shortly after the therapist reduces the mandatory rate, the low exhaled volume and high rate alarms sound. Which of the following should the therapist recommend? 
A.
B.
C.
D.
141.  The I:E ratio alarm on a volume controlled ventilator is sounding. How should the therapist correct this situation? 
A.