Respiratory Care Equipment Practice
Exam
Course Introduction
This course provides an in-depth exploration of the equipment essential to respiratory care, including oxygen delivery systems, aerosol and humidity devices, ventilators, airway management tools, and patient monitoring technologies. Emphasis is placed on the principles of operation, safe application, routine maintenance, and troubleshooting of each device. Students will develop practical skills through demonstrations and hands-on experience, ensuring competency in selecting and utilizing appropriate respiratory equipment in various clinical settings to optimize patient outcomes.
Recommended Textbook Mosbys Respiratory Care Equipment 9th Edition by J. M. Cairo
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15 Chapters
1245 Verified Questions
1245 Flashcards
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Page 2
Chapter 1: Basic Physics for the Respiratory Therapist
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107 Verified Questions
107 Flashcards
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Sample Questions
Q1) How many degrees Celsius is 373° K?
A) 32° C
B) 100° C
C) 273° C
D) 341° C
Answer: B
Q2) The temperature at which a solid converts to a liquid is the _____ point.
A) freezing
B) melting
C) boiling
D) critical
Answer: B
Q3) If 50% of the gas delivered to a patient is oxygen,its partial pressure at 1 atm is _____ mm Hg.
A) 265.0
B) 356.5
C) 380.0
D) 403.5
Answer: C
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Page 3
Chapter 2: Principles of Infection Control
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Sample Questions
Q1) Which of the following medical states increase patient susceptibility to nosocomial infection?
A) Hypoglycemia
B) Altered B cells
C) Hyperbilirubinemia
D) Hypogammaglobulinemia
Answer: D
Q2) Human immunodeficiency virus is transmitted by which of the following routes?
A) Direct contact
B) Droplet contact
C) Indirect contact
D) Airborne aerosol
Answer: A
Q3) At high altitudes,sterilization by boiling must be prolonged primarily because of which of the following?
A) Increased oxygen content
B) Reduced oxygen content
C) Increased normal boiling point
D) Reduced normal boiling point
Answer: D
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Chapter 3: Manufacture, Storage, and Transport of Medical Gases
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101 Flashcards
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Sample Questions
Q1) What percentage of oxygen does a typical molecular sieve concentrator provide when it is running at 2 L/min?
A) 100%
B) 90%
C) 85%
D) 40%
Answer: B
Q2) The function of the vaporizer of a liquid bulk oxygen system is to:
A) act as a pressure release.
B) reduce the pressure to 50 psig.
C) convert liquid oxygen to gaseous oxygen.
D) allow heat to be released into the environment.
Answer: C
Q3) The gas above liquid oxygen is maintained:
A) between its freezing point and its critical temperature.
B) between its boiling point and its critical temperature.
C) at its critical pressure.
D) at its boiling point.
Answer: B
Page 5
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Chapter 4: Administering Medical Gases: Regulators,
Flowmeters, and
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Sample Questions
Q1) Contraindications for hyperbaric oxygen therapy consist of all of the following,except:
A) Pneumothorax
B) Obstructive bronchial diseases
C) Upper respiratory infection
D) Skin grafting
Q2) Pressure-compensated flowmeters provide which of the following?
A) Inaccurate estimates of flow
B) Accurate estimates of flow
C) Back pressure
D) A means to estimate leaks
Q3) A patient is receiving supplemental oxygen via a 30% air-entrainment mask set at 8 L/min.The respiratory therapist must increase the supplemental oxygen to 40%.To maintain the same total output,the flow rate must be increased to _____ L/min.
A) 10
B) 14
C) 16
D) 18
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Page 6
Chapter 5: Airway Management Devices and Advanced
Cardiac Life Support
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Sample Questions
Q1) Oxygen-powered resuscitators are classified as which of the following?
1)Volume-limited
2)Pressure-limited
3)Patient-triggered
4)Operator-triggered
A) 1 and 3
B) 2 and 3
C) 2 and 4
D) 1 and 4
Q2) A blind nasotracheal intubation may be aided by a(n):
A) Combitube.
B) Endotrol tube.
C) foil-wrapped tube.
D) Cole endotracheal tube.
Q3) Laryngeal mask airway placement includes the use of which of the following?
A) Stylet
B) Finger
C) Lighted stylet
D) Miller laryngoscope
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Chapter 6: Humidity and Aerosol Therapy
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Sample Questions
Q1) A heat and moisture exchanger is best placed where in the ventilator circuit?
A) Directly at the patient Y-connector
B) Twenty centimeters away from the endotracheal tube
C) At the ventilator outlet
D) At the ventilator inlet
Q2) It is appropriate to suggest which of the following to provide humidification for an intubated patient with a cuffed endotracheal tube,no secretions,and a tidal volume of 500 mL?
A) A heat and moisture exchanger
B) Heated aerosol or humidifier
C) Heated aerosol with humidifier
D) Systemic hydration
Q3) Which of the following statements about breath-actuated nebulizers is not true?
A) They can be used during the entire respiratory cycle.
B) They do not require good hand-breath coordination.
C) They decrease aerosol medication waste.
D) They are not appropriate for some patients with severe airway obstruction.
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Chapter 7: Lung Expansion Therapy Devices
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Sample Questions
Q1) What is one major component of a pneumatically powered percussor?
A) Force control
B) Vibration control
C) Amplitude control
D) Convex applicator
Q2) To apply positive airway pressure to a manual resuscitator bag during patient transport,which of the following are most appropriate?
1)Spring-loaded valve
2)Underwater seal
3)Magnetic valve
4)Weighted ball
A) 1 and 2
B) 1 and 3
C) 2 and 4
D) 3 and 4
Q3) Contraindications for incentive spirometry include:
A) post-thoracic surgery.
B) vital capacity less than 10 mL/kg.
C) restrictive pulmonary disease.
D) inspiratory capacity greater than predicted value.
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Chapter 8: Assessment of Pulmonary Function
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Sample Questions
Q1) Which type of oxygen analyzer should not be used in the presence of anesthetic gases?
A) Polarographic
B) Paramagnetic
C) Electrical
D) Galvanic
Q2) Airflow is measured by which of the following?
A) "Hot-wire" anemometer
B) Bellows spirometer
C) Water-sealed spirometer
D) Dry rolling seal spirometer
Q3) A 24-year-old skier with a broken femur has been in the postanesthesia care unit for 24 hours and is 12 hours post-extubation with no supplemental oxygen.He is awake,alert,and oriented,and he reports shortness of breath.A capnograph shows decreased PETCO .This patient's current status could be caused by which of the following?
A) Respiratory center depression
B) Pulmonary embolism
C) Muscular paralysis
D) Alveolar shunt
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Chapter 9: Assessment of Cardiovascular Function
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Sample Questions
Q1) The QRS vector appears downward in which of the following electrocardiogram leads?
A) II
B) V5
C) aVL
D) aVR
Q2) Pulmonary artery occlusion pressure can be used to estimate:
A) left-atrial preload.
B) left-atrial afterload.
C) left-ventricular end-diastolic pressure.
D) right-ventricular end-diastolic pressure.
Q3) Automatic electrical discharges in the myocardium normally begin within which of the following?
A) Bundle of His
B) Sinoatrial node
C) Bachmann's bundle
D) Atrioventricular node
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11
Chapter 10: Blood Gas Monitoring
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Sample Questions
Q1) A fluorescent sensor can measure which range of pH values?
A) 6.0 to 7.5
B) 6.5 to 7.5
C) 6.8 to 7.8
D) 7.0 to 8.0
Q2) Which of the following represents the technique used to measure current changes that occur when oxygen is reduced?
A) Blood gas factor
B) Potentiometric
C) Amperometric
D) Tonometry
Q3) Which chemical reaction occurs within the Stow-Severinghaus electrode?
A) CO + H O H CO H + HCO -
B) O + 2H O + 4e- 4OH-
C) 4Ag 4Ag + 4e-
D) EH = 0.0615 * pH
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Page 12
Chapter 11: Sleep Diagnostics
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Sample Questions
Q1) Sleep spindles occur at a frequency of ____ cycles/s.
A) 4 to 7
B) 9 to 13
C) 14 to 16
D) <3.5
Q2) Slow,rolling,pendulous movement of the eyes is present during which of the following sleep stages?
A) Stage 1 sleep
B) Stage 2 sleep
C) Stages 3 and 4 sleep
D) Rem sleep
Q3) Which characteristics are associated with REM sleep?
1)Lower level tonic activity
2)High-voltage,low-frequency waves on an electroencephalogram
3)Absence of tonic activity on an electromyogram
4)Often absent responsiveness to external stimuli
A) 1 and 2
B) 3 and 4
C) 1,2,and 4
D) 2,3,and 4
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Chapter 12: Introduction to Ventilators
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Sample Questions
Q1) A patient receiving continuous positive airway pressure of 7.5 cm H O via a mask and freestanding system appears to be in distress.The patient is using accessory muscles and is diaphoretic. The manometer is fluctuating between -5 cm H O on inspiration and 7.5 cm H O on expiration.The most apparent cause of the patient's distress is which of the following?
A) Leak in the system
B) Improper mask fitting
C) Inadequate flow rate
D) Obstruction of the threshold resistor
Q2) The pressure maintained at the airway during exhalation is known as which of the following?
A) Baseline
B) Proximal
C) Sensitivity
D) Mean airway
Q3) An iron lung is which type of ventilator?
A) Fluidic
B) Positive-pressure
C) Negative-pressure
D) Positive/negative pressure
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Chapter 13: Mechanical Ventilators: General-Use Devices
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Sample Questions
Q1) What tidal volume can be delivered by the GE Carestation?
A) 10 to 1200 mL
B) 10 to 1500 mL
C) 20 to 2000 mL
D) 20 to 2500 mL
Q2) Which of the following respiratory mechanics can be measured with the CareFusion AVEA?
1)Esophageal pressure measurement
2)Peak inspiratory pressure/P
3)Inflection point
4)Auto-PEEP
A) 1 only
B) 1 and 3
C) 2,3,and 4
D) 1,2,3,and 4
Q3) What is the range for expiratory trigger sensitivity on the Hamilton G5?
A) 5% to 70% of peak inspiratory flow
B) 10% to 70% of peak inspiratory flow
C) 10% to 80% of peak inspiratory flow
D) 10% to 90% of peak inspiratory flow
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Chapter 14: Infant and Pediatric Devices
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Sample Questions
Q1) The oxygen concentration alarm limits on the Dräger Babylog 8000 are set _____ at _____ of the setting.
A) by the operator; ± 5%
B) by the operator; ± 4%
C) automatically; ± 5%
D) automatically; ± 4%
Q2) On the CareFusion V.I.P.Bird Gold Infant Ventilator,the control that ends a pressure support breath in case of a leak also does which of the following to the breath?
A) Flow-cycle
B) Time-cycle
C) Volume-cycle
D) Pressure-cycle
Q3) How many cycles per minute is 15 Hz?
A) 300
B) 600
C) 900
D) 1200
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16
Chapter 15: Transport, Home Care, and Noninvasive
Ventilatory Devices
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Sample Questions
Q1) Pressure plateau ventilation on the Impact Uni-Vent Eagle 754 is most similar to which of the following modes of ventilation?
A) Airway pressure release ventilation
B) Pressure-regulated volume control
C) Pressure-controlled continuous mandatory ventilation
D) DuoPAP
Q2) Which of the following statements concerning the Newport HT50 ventilator is true?
A) It requires both an oxygen and an air source to operate properly.
B) It can be used to ventilate patients who weigh more than 5 kg.
C) The internal battery can sustain ventilator operation for 10 hours.
D) The "battery empty" message is activated when there are less than 15 minutes left.
Q3) The transport ventilator that can be used on newborns is the:
A) Airon pNeuton
B) Uni-Vent Eagle 754
C) Bio-Med Crossvent 4
D) Pulmonetic Systems LTV 1000
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