A physician requests that you provide a patient with exactly 40% O2 at a flow of 60 L/min. Lacking a blender, you must manually mix air and O2 to achieve the desired mixture at the prescribed flow. Which of the following air and O2 flows would you select? Air (L/min) O2 (L/min)

A) 45 15 B) 15 45 C) 40 20 D) 20 40 A) 45 15 B) 15 45 C) 40 20 D) 20 40 A

Which of the following would indicate a need for O2 therapy for an adult or a child? 1) SaO2 less than 90% 2) PaCO2 greater than 45 mm Hg 3) PaO2 less than 60 mm Hg

A) 2 and 3 only B) 1 and 2 only C) 1, 2, and 3 D) 1 and 3 only A) 2 and 3 only B) 1 and 2 only C) 1, 2, and 3 D) 1 and 3 only D

What is the upper limit of O2 concentrations available through tents?

A) 60% to 70% B) 50% to 60% C) 40% to 50% D) 30% to 40% A) 60% to 70% B) 50% to 60% C) 40% to 50% D) 30% to 40%

A patient receiving 3 L/min O2 through a nasal cannula has a measured SpO2 of 93% and no clinical signs of hypoxemia. At this point, what should you recommend?

A) Decreasing the flow to 2 L/min and rechecking the SpO2 B) Maintaining the therapy as is and rechecking the SpO2 on the next shift C) Increasing the flow to 4 L/min and rechecking the SpO2 D) Discontinuing the O2 therapy A) Decreasing the flow to 2 L/min and rechecking the SpO2 B) Maintaining the therapy as is and rechecking the SpO2 on the next shift C) Increasing the flow to 4 L/min and rechecking the SpO2 D) Discontinuing the O2 therapy

Which of the following statements are true about low-flow O2 delivery systems? 1) The greater the patient's inspiratory flow, the greater is the FiO2. 2) All low-flow devices provide variable O2 concentrations. 3) The O2 provided by a low-flow device is diluted with air. 4) The patient's flow usually exceeds that from a low-flow device.

A) 1 and 3 only B) 1, 2, and 3 only C) 3 and 4 only D) 2, 3, and 4 only A) 1 and 3 only B) 1, 2, and 3 only C) 3 and 4 only D) 2, 3, and 4 only

Which of the following are true about air-entrainment systems? 1) Their FiO2 values are directly proportional to their total flow. 2) They can provide variable FiO2 values under some clinical conditions. 3) They always deliver O2 concentrations less than 100%. 4) They yield a set FiO2 only if their flow exceeds the patient's.

A) 1 and 3 only B) 1, 2, and 3 only C) 3 and 4 only D) 2, 3, and 4 only A) 1 and 3 only B) 1, 2, and 3 only C) 3 and 4 only D) 2, 3, and 4 only

Which of the following are advantages of the nasal cannula as a low-flow O2 delivery system? 1) Stability 2) Low cost 3) Easy application 4) Disposability

A) 2 and 4 only B) 1, 2, and 4 only C) 2, 3, and 4 only D) 1, 2, 3, and 4 A) 2 and 4 only B) 1, 2, and 4 only C) 2, 3, and 4 only D) 1, 2, 3, and 4

You are giving a 80% He:20% O2 mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O2 flowmeter set at 8 L/min. What is the actual flow being delivered to the patient?

A) 10 L/min B) 12 L/min C) 14 L/min D) 18 L/min A) 10 L/min B) 12 L/min C) 14 L/min D) 18 L/min

Some strategies for minimizing the risk of fire hazard with O2 therapy include which of the following? 1) Using the lowest effective FiO2 2) Properly educating patients and caregivers 3) Avoiding aluminum regulators and other high-risk devices 4) Mixing the oxygen with carbon dioxide.

A) 1 and 3 only B) 1, 2, and 3 only C) 2 and 4 only D) 1, 2, 3, and 4 A) 1 and 3 only B) 1, 2, and 3 only C) 2 and 4 only D) 1, 2, 3, and 4

What is the maximum FiO2 expected to be delivered by most air-entrainment masks?

A) 30% B) 40% C) 50% D) 60% A) 30% B) 40% C) 50% D) 60%

Directing a cool O2 mixture to an infant in an Oxy-Hood can result in which of the following? 1) Increased O2 consumption 2) Increased convective heat loss 3) Apnea (cessation of breathing)

A) 1 and 2 only B) 2 and 3 only C) 1 and 3 only D) 1, 2, and 3 A) 1 and 2 only B) 2 and 3 only C) 1 and 3 only D) 1, 2, and 3

Exam 41: Medical Gas Therapy

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A well-designed oxygen protocol will ensure which of the following? 1) The patient undergoes initial assessment. 2) The patient is evaluated for protocol criteria. 3) The patient receives a treatment plan that is modified according to need. 4) The patient stops receiving therapy as soon as it is no longer needed.

Free

(Multiple Choice)

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Question 1

Correct Answer:

Verified

A physician requests that you provide a patient with exactly 40% O₂ at a flow of 60 L/min. Lacking a blender, you must manually mix air and O₂ to achieve the desired mixture at the prescribed flow. Which of the following air and O₂ flows would you select? Air (L/min) O₂ (L/min)

Free

(Multiple Choice)

4.8/5

(77)

Question 2

Correct Answer:

Verified

Which of the following would indicate a need for O₂ therapy for an adult or a child? 1) SaO₂ less than 90% 2) PaCO₂ greater than 45 mm Hg 3) PaO₂ less than 60 mm Hg

Free

(Multiple Choice)

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(76)

Question 3

Correct Answer:

Verified

Which of the following would indicate adequate oxygenation for adult patients with chronic lung disease and an accompanying acute-on-chronic hypoxemia? 1) SaO₂ of 90% or higher 2) PaO₂ of 50 to 60 mm Hg 3) SaO₂ of 85% to 90%

(Multiple Choice)

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(75)

Question 4

A variant of a common low-flow, nasal O₂ delivery device that is capable of providing both high humidity and a high FiO₂ is known as which of the following?

(Multiple Choice)

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Question 5

What is the upper limit of O₂ concentrations available through tents?

(Multiple Choice)

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Question 6

A patient receiving 3 L/min O₂ through a nasal cannula has a measured SpO₂ of 93% and no clinical signs of hypoxemia. At this point, what should you recommend?

(Multiple Choice)

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(91)

Question 7

Which of the following statements are true about low-flow O₂ delivery systems? 1) The greater the patient's inspiratory flow, the greater is the FiO₂. 2) All low-flow devices provide variable O₂ concentrations. 3) The O₂ provided by a low-flow device is diluted with air. 4) The patient's flow usually exceeds that from a low-flow device.

(Multiple Choice)

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(71)

Question 8

Which of the following are true about air-entrainment systems? 1) Their FiO₂ values are directly proportional to their total flow. 2) They can provide variable FiO₂ values under some clinical conditions. 3) They always deliver O₂ concentrations less than 100%. 4) They yield a set FiO₂ only if their flow exceeds the patient's.

(Multiple Choice)

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(75)

Question 9

Which of the following are advantages of the nasal cannula as a low-flow O₂ delivery system? 1) Stability 2) Low cost 3) Easy application 4) Disposability

(Multiple Choice)

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(84)

Question 10

You are giving a 80% He:20% O₂ mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O₂ flowmeter set at 8 L/min. What is the actual flow being delivered to the patient?

(Multiple Choice)

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Question 11

Retinopathy of prematurity (ROP) is a potentially serious management problem mainly in the care of whom?

(Multiple Choice)

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(77)

Question 12

In which of the following procedures is air embolism a potential complication? 1) Central line placement 2) Lung biopsy 3) Hemodialysis

(Multiple Choice)

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Question 13

A physician wants a stable FiO₂ of 0.5 for a newborn infant with severe hypoxemia. Which of the following systems would you select?

(Multiple Choice)

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Question 14

What is the most common complication of hyperbaric oxygen therapy?

(Multiple Choice)

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Question 15

Some strategies for minimizing the risk of fire hazard with O₂ therapy include which of the following? 1) Using the lowest effective FiO₂ 2) Properly educating patients and caregivers 3) Avoiding aluminum regulators and other high-risk devices 4) Mixing the oxygen with carbon dioxide.

(Multiple Choice)

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(78)

Question 16

What is the maximum FiO₂ expected to be delivered by most air-entrainment masks?

(Multiple Choice)

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(79)

Question 17

Benefits of properly applied O₂ therapy in patients with chronic hypoxemia include which of the following? 1) Reversal of pulmonary vasoconstriction 2) Relief of pulmonary hypertension 3) Decreased right ventricular workload 4) Improved pulmonary vital capacity

(Multiple Choice)

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Question 18

You set up an Oxy-Hood with an FiO₂ of 0.5 for a newborn infant. What is the maximum time that should pass before assessing this patient's PaO₂ or SaO₂?

(Multiple Choice)

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Question 19

Directing a cool O₂ mixture to an infant in an Oxy-Hood can result in which of the following? 1) Increased O₂ consumption 2) Increased convective heat loss 3) Apnea (cessation of breathing)

(Multiple Choice)

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Question 20

Showing 1 - 20 of 93

Exam 41: Medical Gas Therapy

A physician requests that you provide a patient with exactly 40% O2 at a flow of 60 L/min. Lacking a blender, you must manually mix air and O2 to achieve the desired mixture at the prescribed flow. Which of the following air and O2 flows would you select? Air (L/min) O2 (L/min)

Which of the following would indicate a need for O2 therapy for an adult or a child? 1) SaO2 less than 90% 2) PaCO2 greater than 45 mm Hg 3) PaO2 less than 60 mm Hg

Which of the following would indicate adequate oxygenation for adult patients with chronic lung disease and an accompanying acute-on-chronic hypoxemia? 1) SaO2 of 90% or higher 2) PaO2 of 50 to 60 mm Hg 3) SaO2 of 85% to 90%

A variant of a common low-flow, nasal O2 delivery device that is capable of providing both high humidity and a high FiO2 is known as which of the following?

What is the upper limit of O2 concentrations available through tents?

A patient receiving 3 L/min O2 through a nasal cannula has a measured SpO2 of 93% and no clinical signs of hypoxemia. At this point, what should you recommend?

Which of the following are advantages of the nasal cannula as a low-flow O2 delivery system? 1) Stability 2) Low cost 3) Easy application 4) Disposability

You are giving a 80% He:20% O2 mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O2 flowmeter set at 8 L/min. What is the actual flow being delivered to the patient?

Retinopathy of prematurity (ROP) is a potentially serious management problem mainly in the care of whom?

In which of the following procedures is air embolism a potential complication? 1) Central line placement 2) Lung biopsy 3) Hemodialysis

A physician wants a stable FiO2 of 0.5 for a newborn infant with severe hypoxemia. Which of the following systems would you select?

What is the most common complication of hyperbaric oxygen therapy?

Some strategies for minimizing the risk of fire hazard with O2 therapy include which of the following? 1) Using the lowest effective FiO2 2) Properly educating patients and caregivers 3) Avoiding aluminum regulators and other high-risk devices 4) Mixing the oxygen with carbon dioxide.

What is the maximum FiO2 expected to be delivered by most air-entrainment masks?

Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of the following? 1) Reversal of pulmonary vasoconstriction 2) Relief of pulmonary hypertension 3) Decreased right ventricular workload 4) Improved pulmonary vital capacity

You set up an Oxy-Hood with an FiO2 of 0.5 for a newborn infant. What is the maximum time that should pass before assessing this patient's PaO2 or SaO2?

Directing a cool O2 mixture to an infant in an Oxy-Hood can result in which of the following? 1) Increased O2 consumption 2) Increased convective heat loss 3) Apnea (cessation of breathing)

History of Respiratory Care

Delivering Evidence-Based Respiratory Care

Quality, Patient Safety, and Communication, and Recordkeeping

Principles of Infection Prevention and Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

E-Medicine in Respiratory Care

Fundamentals of Respiratory Care Research

The Respiratory System

The Cardiovascular System

Ventilation

Gas Exchange and Transport

Solutions, Body Fluids, and Electrolytes

Acid-Base Balance

Regulation of Breathing

Bedside Assessment of the Patient

Interpreting Clinical and Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Pulmonary Function Testing

Review of Thoracic Imaging

Flexible Bronchoscopy and the Respiratory Therapist

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Chronic Obstructive Pulmonary Disease Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Respiratory Distress Syndrome

Trauma, Burns and Near Drowning

Lung Cancer

Neuromuscular and Other Diseases of the Chest Wall

Disorders of Sleep

Neonatal and Pediatric Respiratory Disorders

Airway Pharmacology

Airway Management

Emergency Cardiovascular Life Support

Humidity and Bland Aerosol Therapy

Aerosol Drug Therapy

Storage and Delivery of Medical Gases

Lung Expansion Therapy

Airway Clearance Therapy Act

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Patient Ventilator Interaction

Initiating and Adjusting Invasive Ventilatory Support

Noninvasive Ventilation

Extracorporeal Life Support Ecls

Monitoring the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Respiratory Care in Alternative Settings

Filters

A physician requests that you provide a patient with exactly 40% O₂ at a flow of 60 L/min. Lacking a blender, you must manually mix air and O₂ to achieve the desired mixture at the prescribed flow. Which of the following air and O₂ flows would you select? Air (L/min) O₂ (L/min)

Which of the following would indicate a need for O₂ therapy for an adult or a child? 1) SaO₂ less than 90% 2) PaCO₂ greater than 45 mm Hg 3) PaO₂ less than 60 mm Hg

Which of the following would indicate adequate oxygenation for adult patients with chronic lung disease and an accompanying acute-on-chronic hypoxemia? 1) SaO₂ of 90% or higher 2) PaO₂ of 50 to 60 mm Hg 3) SaO₂ of 85% to 90%

A variant of a common low-flow, nasal O₂ delivery device that is capable of providing both high humidity and a high FiO₂ is known as which of the following?

What is the upper limit of O₂ concentrations available through tents?

A patient receiving 3 L/min O₂ through a nasal cannula has a measured SpO₂ of 93% and no clinical signs of hypoxemia. At this point, what should you recommend?

Which of the following are advantages of the nasal cannula as a low-flow O₂ delivery system? 1) Stability 2) Low cost 3) Easy application 4) Disposability

You are giving a 80% He:20% O₂ mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O₂ flowmeter set at 8 L/min. What is the actual flow being delivered to the patient?

A physician wants a stable FiO₂ of 0.5 for a newborn infant with severe hypoxemia. Which of the following systems would you select?

Some strategies for minimizing the risk of fire hazard with O₂ therapy include which of the following? 1) Using the lowest effective FiO₂ 2) Properly educating patients and caregivers 3) Avoiding aluminum regulators and other high-risk devices 4) Mixing the oxygen with carbon dioxide.

What is the maximum FiO₂ expected to be delivered by most air-entrainment masks?

Benefits of properly applied O₂ therapy in patients with chronic hypoxemia include which of the following? 1) Reversal of pulmonary vasoconstriction 2) Relief of pulmonary hypertension 3) Decreased right ventricular workload 4) Improved pulmonary vital capacity

You set up an Oxy-Hood with an FiO₂ of 0.5 for a newborn infant. What is the maximum time that should pass before assessing this patient's PaO₂ or SaO₂?

Directing a cool O₂ mixture to an infant in an Oxy-Hood can result in which of the following? 1) Increased O₂ consumption 2) Increased convective heat loss 3) Apnea (cessation of breathing)