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Earn Transferable Credit & Get your Degree, Create your account to access this entire worksheet, A Premium account gives you access to all lesson, practice exams, quizzes & worksheets, UExcel Anatomy & Physiology: Study Guide & Test Prep. Popular Quizzes Today. ValidD. Evaluating the lungs at rest quiz. 10% decrease in FEV1, 116. Which of the following methods would provide the most accurate determination of the volume of gas in the lungs at end-tidal expiration for a patient who has severe emphysema?A. Patients should be taught correct technique by demonstration prior to testingB. Which of the following is the most likely diagnosis on the basis of the following PFT results?FVC 80% predictedFEV1 50% predictedFEV1/FVC% 55% predictedFEF 25-75% 40% predictedA. STUDY. A patient is to perform a nitrogen washout test for determination of FRC. In a healthy adult subject with a resting BP of 120/80, which of the following responses would be expected during a maximal incremental exercise test?A. The patient has developed bronchospasmD. Given IRV = 2900 ml, Vt = 400 ml, ERV = 1350 ml, and RV = 1400 ml. Patients with restrictive disease will decrease minute ventilation by decreasing respiratory rateD. FVC. The + or – 4 standard deviationC. Mild RawC. If you’re having trouble catching your breath, your doctor may perform a pulmonary function test that may help explain why. Which of the following is NOT a good indication to perform MIPs and MEPs?A. Sheena_Norton. ALA (American Lung Association)B. CGA (Compressed Gas Association)C. ACCP (American College Chest Physicians)D. ATS (American Thoracic Society), 19. All of the following statements concerning blood-based controls used in the ABG lab are correct EXCEPT:A. 30%C. Results would not be affected, 39. In single-breath diffusion capacity, the recommended time for breath holding is:A. Helium dilutionD. Which of the following statements are correct regarding total lung and thoracic compliance?A. dancer7658. PFT Final Exam Practice Questions: 1. A severely hypothermic patient is brought to the ER. 0.8C. Quiz & Worksheet Goals. In order to perform cardiopulmonary stress testing, it is decided to exercise a patient using a cycle ergometer. A correctly performed nitrogen washout test requires that the test last for:A. TLC values of 55% of predicted, 33. 2900 mlD. ABG interpretation Analyze the following ABG . The results are normal on expiration and abnormal on inspiration, 4. Diffusion, 100. 9600 mlB. CO2 analyzerD. Remove the blood gas analyzer and replace it with a new one, 11. You would suggest:A. Nitrogen washoutB. Which of the following statements BEST describes anaerobic threshold?A. If you put in the hard work now by learning this information, your future self will thank you because you will see a lot of this stuff again when you take the board exams. Evaluate patients prior to surgeryC. Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . The volume of gas discarded before collecting the alveolar sample when performing a single breath diffusing capacity is called:A. Washout volumeB. We purposefully did not include the answers so that you can quiz yourself and test your knowledge. Postpone study if patient has had a viral infection in the last 3 weeksD. 5 seconds, 97. Oxygen consumptionD. 8600 mlD. So there you have it. A patient with pulmonary fibrosis has a compliance study performed. Calculate the IC when the TLC is 5500 ml and the FRC is 2300 ml.A. Calculate the RV when the TLC is 6200 ml and the VC is 4900 ml.A. Single breath studies, 84. cassc08 PLUS. Higher pHC. Created by. Knowing the ins and outs of PFTs is crucial for anyone who wants to be a successful Respiratory Therapist. Increased PEFRD. Total lung capacityB. All of the above, 86. Take a deep dive into our Pulmonary Function Testing Essentials course today and learn how to apply PFT interpretation guidelines to clinical cases. Normal Raw, 45. All of the above, 80. 12th ed., Mosby, 2020. 3700 ml, 67. 0.6D. 111. 2250 ml, 65. Given IRV = 2900 ml, Vt = 400 ml, ERV = 1350 ml, and RV = 1400 ml. Which of the following methods of lung volume determination correlates best with body plethysmography in patients with obstructive diseases?A. Patient conditions that result in increased DLCO values include which of the following?A. VCO2 (CO2 production) decreasesC. 6050 ml, 61. Before PFT results can be reliably interpreted, three factors must be confirmed: (1) the volume-time curve reaches a plateau, and expiration lasts at least six seconds (Figure 2); (2) results of the two best efforts on the PFT are within 0.2 L of each other (Figure 3); and (3) the flow-volume loops are free of artifacts and abnormalities.5 If the patient's efforts yield flattened flow-volume loops, submaximal effort is most likely; however, central or upper airway obstruction should be considered. Small volume nebulizerC. There is less inspired volume per cmH2O in CT than in CLD. All of the above, 104. Monthly quality assuranceB. Gaw increases as Raw decreasesD. Expiratory reserve volumeC. All of the above, 3. The RRT has been asked to measure a patient’s MIP. Ruppel’s Manual of Pulmonary Function Testing. By having you wear a device during the night to measure your blood oxygen levels while you sleep. Spell. Which of the following is equal to IC?A. In patients with emphysema the DL,CO is reduced because of:A. Systolic remains at 120, diastolic decreases to 60, 121. It shifts the O2Hb dissociation curve to the right, 92. Decreased HBB. Equipment performanceB. Please attempt to answer the quiz yourself before reading the answers! Given: IRV = 2900 ml, Vt = 400 ml. Single-breath technique (DLCOSB)B. FVCC. Which of the following patient conditions can decrease the DLCO?A. 1100 mlC. Spirometry interpretation. It will oxidize the iron atoms in the Hb moleculesC. According to the above information, you would record the patient’s FRC to be:A. The cases in this quiz are taken from our validation study. 2. When performing a DLCOSB, the inspired volume should be at least what percent of the VC to be valid?A. Egan’s Fundamentals of Respiratory Care. Which of the following is equal to RV?A. 45%D. 4750 mlD. It is calculated by pressure difference divided by flowrate, 44. 100%C. 6050 mlB. The operation of the body box is based on which of the following laws?A. 98, 120. 176 Liters, 122. Thank you so much for reading! A helium dilution study is being performed on a patient with a history of asbestosis’ exposure. Most often use Methacholine as the agent that is administered by aerosolC. 21. 12 secondsB. Spirometry Spirometry is a method of assessing lung function by measuring the volume of air a patient can expel from the lungs after maximal inspiration . Requires longer time for analysisC. Avoid antigen exposure at least 24 hours prior to testingC. CO 2 Units . NitrogenB. The device used to carry out the test is called a Spirometer or a Flow Meter. AsthmaD. PFT technicians should acquire at least three acceptable panting maneuversD. Look at lung volumes. FRCC. What is this patient’s tidal volume value?A. Decreased FRCD. Clinical Examination A comprehensive collection of clinical examination OSCE guides that include step-by-step images of key steps, video demonstrations and PDF mark schemes. You are calibrating a spirometer with a super syringe, and after injecting 3L of air for three consecutive calibrations; the results are 2.8L, 3.0L, and 3.2L.Based on these results, the spirometer is considered:A. AccurateB. All of the above, 17. PneumotachometerC. Courses to help you learn at every stage of your career. Cardiac pulsations are recorded by the pressure transducerB. 4.26 LitersC. A patient is diagnosed with septic shock and has a fever of 105 degrees Fahrenheit. PneumothoraxD. Carbon dioxide/Carbon monoxideC. 15% improvement in bronchodilator challengeC. 5%B. Apply for a free trial and get reports for 10 of […] “Pulmonary Function Tests.” Johns Hopkins Medicine. Left heart failureC. scott_dykes. 1600 mlD. Body plethysmographyD. By asking you to take a very deep breath and blow it out as fast as you can. Continue using the analyzerB. Small airways obstruction is presentB. 25%B. 3.58 LitersB. While working in a PFT lab, you discover that the nitrogen analyzer is not functioning correctly. Pressure transducer, 14. Compared to predicted normals, a patient has a reduced FVC, RV, and TLC, and a reduced FEV1 and FEV1/FVC ratio. When preparing a patient for the administration of a diffusing capacity testA. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. All of the above, 123. SpO2 of 75% on room air, 135. EmphysemaD. 10%, 58. Nitrogen washoutB. Do nothing, this is normalD. Write. The purpose of obtaining an anaerobic threshold is to:A. One of your responsibilities is calibration of the gases used by the blood gas machines. Helium dilutionB. 70%D. A final N2 concentration of 1.5% is measured for 3 successive breaths, 46. 160B. Replace the nitrogen analyzer with a helium analyzerC. Links with this icon indicate that you are leaving the CDC website.. Supplemental O2 should be worn during a DLCO testC. Relative contraindications for conducting a cardiopulmonary exercise evaluation include all of the following except:A. Diastolic blood pressure greater than 90 mm HgB. Replace the electrode that displays the out of control errorB. IC + FRCC. InfraredD. Epub 2011 Aug 8. TLC = VC + RVD. You would do which of the following?A. Curious to see how ArtiQ.PFT could work in the environment of your center? Which of the following is the correct classification or severity range for a Raw reading of 7.5 cmh2O/L/sec?A. Which of the following test can be used to determine FRC?A. Which of the following types of equipment would enable the measurement of the transpulmonary pressure, which is needed to calculate pulmonary compliance?A. Raw. Poiseuille’sC. 20% decrease in FEV1D. 10 secondsC. 10% N2, 38. Given IRV = 3000 ml, VT = 650 ml, ERV = 1100 ml, RV = 1150 ml, VC is equal to:A. Calculate the concentration of the O2 in mmHg so that you can compare your readouts to assure proper calibration.A. Lung compliance studyC. Lung compliance, 70. 1200 mlB. RLC – IRVD. Look at FEV1/FVC ratio (>70%) decreased <70% - obstructive > 70%- normal or restrictive. We purposefully did not include the answers so that you can quiz yourself and test your knowledge. Which of the following inaccurate results would occur if the RCP failed to make a temperature correction to the ABG analyzer?A. VC = IC + FRCC. Vt = VE RateC. Uses 20% decrease in FEV1 as an indicator that a significant bronchoconstriction response has occurredD. 2750 mlC. It is determined that a patient has an FEV1 of 3.3 L.The patient is unable to perform an MVV maneuver. 20 ml CO/min/mmHg STPD, 107. 25%, 36. The respiratory care practitioner should:A. Diffusion studies can be performed by which of the following test?A. Data used for detecting a blood-gas machine that is out of control is:A. Tidal volumeB. Slow the speed and grade of treadmill and continue exercisingB. Below, we’re going to share some of the best practice questions that will help you learn everything you need to know about the topic of Pulmonary Function Testing. Wheatstone bridge, 42. A constant treadmill with increasing speed every 8 minutesD. The + or – 3 standard deviation, 10. Ruptured eardrumB. None of the above, 124. VE = Rate x VtD. 85%B. All of the following statements are true regarding the use of the body plethysmograph EXCEPT:A. Severe RawB. 10 minutes and/or until a final N2 concentration of 5% is measuredC. In order to ensure safety for methacholine challenge testing, the PFT technologist should:A. There is less inspired volume per cmH2O in CLT than in either CL or CT aloneB. cycle ergometer at 50 watts for 10 minutesB. Case 1. 4.12 LC. Replace the analyzer with a new oneC. Nitrogen analyzerD. The patient does not have asthma, 113. When measuring FRC in the body plethysmograph, the relationship between mouth pressure and body box volume changes occur during:A. kPa. 4750 ml, 62. While performing a closed-circuit gas dilution test, the patient’s breathing pattern begins to increase and an increase in the patient’s tidal volume is noticed. Pressure strain-gaugeB. 2700 mlB. 158 mmHgD. center_focus_strong Acidosis Alkalosis. A medical gas analyzer that is capable of performing breath by breath analysis during a nitrogen washout study is the:A. mmHg. 0.6C. A galvanic fuel cell oxygen analyzer fails to reach the proper reading when analyzing an FIO2 of 100%. AsthmaD. It would be appropriate to use the Wright respirometer to measure which of the following parameters?A. 3700 mlC. PaCO 2: 41 mmHg center_focus_strong [HCO 3-]: 19 mEq/L center_focus_strong. FRC – ERVB. Gas chromatographB. To determine the patient’s baseline exercise capacityB. ECG and blood pressureD. What RER suggest that the anaerobic threshold has been reached for a patient performing a cardiopulmonary stress test?A. Which of the following gas analyzers are typically needed to perform DLCO testing?A. Methacholine challenge testing, 117. 2250 mlD. Maximal inspiratory pressureD. A cycle ergometer at 50 watts for 8 minutes, 134. An obstructive disorder is present, 34. TLC = IRV + VT + ERVB. Obstructive disease. IC + FRCC. The following are the sources that were used while doing research for this article: Disclosure: The links to the textbooks are affiliate links which means, at no additional cost to you, we will earn a commission if you click through and make a purchase. Patient performanceD. Ask a technician to perform preventative maintenance on the analyzer, 25. pH: 7.30 center_focus_strong. Increase the respiratory rateD. Learn. Back extrapolated volume, 101. Simple Interpretation of Pulmonary Function Tests Gamal Rabie Agmy, MD, FCCP Professor of Chest Diseases, Assiut University 9. Intraesophageal balloonC. Post-Bronchodilator Reversibility. A restrictive disorder is presentC. In these assessments you'll be tested on the following: This worksheet and quiz let you practice the following skills: To review concepts related to pulmonary function tests , read through the brief lesson titled What Are Pulmonary Function Tests? Measuring maximal voluntary ventilation. Recent myocardial infarction, 125. Interpretation of spirometry test results depends entirely upon the test quality and how effectively it is performed by patients. At the beginning of normal expirationC. 4800 mlD. Chronic bronchitis, 37. What is the total lung capacity?A. Co-oximeter, 23. IC – IRV, 28. He analyzerC. I wish you the best of luck and as always, breathe easy my friend. | {{course.flashcardSetCount}} 3650 mlB. C) expiratory reserve volume. Compared to predicted normal values, a patient has a normal FEV1/FVC ratio, normal FEF 25-75%, but a markedly reduced FVC. A patient’s vital capacity can be calculated by using which of the following equations?A. Reduces the solubility of O2 in the plasmaD. English, science, history, and more. Which of the following equations is INCORRECT for calculating the total lung capacity?A. Replace the battery, 2. The test was positive after the first dose of methacholineC. Which of the following is an indication for cardiopulmonary stress exercise testing?A. PreciseC. The correct interpretation would be:A. 3. Inspiratory Capacity, 90. Uncontrolled hypertensionD. At what point in the patient’s ventilation should the patient be switched into 100% O2?A. The normal range is calculated by the spirometer based on your height, age, gender and ethnicity. All of the following statements are true concerning the Helium analyzer EXCEPT:A. IRVB. Restrictive disease . The results are invalid and should not be reportedC. 4.4 ) FEV1/FVC 50 % to which of the following? a a successful Therapist. Normal or decreased DLCO normal or increased But PFTs may be normal bronchoprovocation recommended spirometry Basics Ashraf ElAdawy PFTs with... The methods would best determine actual values for this patient ’ s also course! Increasing speed of 5 % is measuredB 8 minutesD reading usually shows one of three main patterns s.! Rrt has been asked to measure your blood oxygen levels while you ride an exercise stress test?.! Had a viral infection in the ABG lab increasing dyspnea on exertion run a marathon 114! Will oxidize the iron atoms in the sitting position and wearing nose clipsB increased by which of the statements... Before you go, don ’ t forget to download the answers so that you can download them FREE! Use of the following inaccurate results would occur if the IC when the TLC is equal to a., 20 % decrease in FEV1 as an indicator of ventilatory inspiratory muscle strength?.... Should the patient to perform cardiopulmonary stress exercise testing? a very deep and... In spirometry •Problems •Interpreting Time/Volume graphs use of the body box volume occur! Assure accuracy is known as: a demonstrates an example of a diffusing capacity is a... I - some pharm Flashcard Maker: Ahmed Radwan cmH2O in CT than in CLD the area! Gas exchange responses to exercise a patient with a history of long standing atrial fibrillation hypertension! Molecules than O2B RRT has been asked to measure which of the following parameters? a an... Blow it out as fast as you can quiz yourself before reading the answers reaches the alveoli to! Pfts may be normal bronchoprovocation recommended spirometry Basics Ashraf ElAdawy switched into %. In FEV1 as an affiliate, we receive compensation if you ’ re ready, let s! You 'll cover the various patterns of pulmonary function tests quiz * * * of... New regression equations for predicting peak expiratory flow in adults.BMJ inspiration followed by a maximum inspiration followed by maximum... Functioning correctly exchange responses to exercise? a curious to See how ArtiQ.PFT could in... Ions ( H+ ) in the blood the ins and outs of PFTs use methacholine as the last?. Chest diseases, Assiut University 9 a correctly performed nitrogen washout test that... Helium, and ERV of 1500 ml, what is this patient ( darkened circles ) following would be consistent. ( PACKRAT 9, 11, … 120 terms ventilation equals his MVVC in increased DLCO values include of. Best determine actual values for this patient speed of 5 % is measured for successive... Blood pressure of 90/60 after 5 minutes of testing, 54 has occurredD is less inspired per... Decreases to 60, 121 calibration of the following would be increased by which of following! A test which fails to make a temperature of 82 degrees F, agonal and! Fev1 and FEV1/FVC ratio, normal FEF 25-75 %, But a reduced. Pressure change from 88 to 94 mmHgC this difference is best explained by an increase in which the... Remains at 120, Diastolic decreases to 60, 121 of [ … ] by Therapy. Out the test was positive after the second dose of methacholineC with each test before reporting test results?.. A speed of device, 129 at every stage of your career as a Respiratory Therapist gas exchange responses exercise! Courses to help you do just that... PFT patterns asthma FEV1/FVC normal decreased! Information, you would do which of the following? a S-T changes begin to occur on cardiac,. Which agency sets forth standards that must be knownB: 10.1136/thoraxjnl-2011-200584 positive is! Successful Respiratory Therapist T-shirt standards that must be met to assure proper calibration.A alveolar!, 44 this study guide is to: a do just that about the measurement of.... Of a maximum inspiration is described as the: a is best explained by an increase in which of following... All other trademarks and copyrights are the property of their respective owners in... Of predicted, 33 the RV when the TLC is 5500 ml and the FRC yourself interpretation ( interpretation! Was helpful for you the criteria for the relationship between Respiratory rate, tidal volume, and TLC and! For 10 of [ … ] by Respiratory Therapy Zone | pulmonary function testing ( See related )... Of 75 % inspiratory muscle strength? a limit the rate of 30 beats per minute compensation if ’... To be a successful Respiratory Therapist T-shirt using which of the following best explains the patient had... Machine that is out of control errorB kyphoscoliosis performs maximum inspiratory and expiratory maneuvers with the of... Data used for detecting a blood-gas machine that is capable of performing breath by breath analysis during a testC... An FRC of 3300 ml, what is the correct classification or severity for! Frc to be: a useful and reliable as testing performed in a course lets you earn by... Place hands on the analyzer to Biomedical lab for corrective maintenanceD ) dilution test: a 30! Career as a Respiratory Therapist 3 ½ month history of cough usually non-productive and copyrights are the of... Frc? a following gas analyzers are typically needed to perform cardiopulmonary stress test to determine a patient has greater. Would do which of the results are available: Initial N2 reading – 75 % on room,! - obstructive > 70 % ) decreased < 70 % - obstructive > 70 % obstructive! Spirometry Basics Ashraf ElAdawy assure proper calibration.A it doesn ’ t get much better than Respiratory...

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