Which of the following factors determine the actual O2 provided by an air-entrainment system? 1) O2 input flow to the jet 2) Air-to-O2 ratio of the device 3) Resistance downstream from the jet

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

You design an air-entrainment system that mixes air with O2 at a fixed ratio of 1:7. Approximately what O2 concentration will this device provide?

A) 33% B) 40% C) 80% D) 90% A) 33% B) 40% C) 80% D) 90%

What is/are the primary organ system(s) affected by O2 toxicity? 1) Central nervous system (CNS) 2) Lungs 3) Kidneys

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

A 45-year-old patient with congestive heart failure is receiving O2 through a 35% air-entrainment mask. With an O2 input of 6 L/min, what is the total output gas flow?

A) 16 L/min B) 24 L/min C) 28 L/min D) 36 L/min A) 16 L/min B) 24 L/min C) 28 L/min D) 36 L/min

To ensure a stable FiO2 under varying patient demands, what must an O2 delivery system do?

A) It must have a reservoir system at least equal to the VT. B) It must provide all the gas needed by the patient during inspiration. C) It must maintain flows that are at least equal to the patient's peak flows. D) It must be able to deliver any O2 concentration from 21% to 100%. A) It must have a reservoir system at least equal to the VT. B) It must provide all the gas needed by the patient during inspiration. C) It must maintain flows that are at least equal to the patient's peak flows. D) It must be able to deliver any O2 concentration from 21% to 100%.

A patient with chronic hypercapnia placed on an FiO2 of 0.6 starts hypoventilating. What is a possible cause of this phenomenon?

A) Decreased cardiac output B) O2 toxicity C) O2-induced hypoventilation D) Absorption atelectasis A) Decreased cardiac output B) O2 toxicity C) O2-induced hypoventilation D) Absorption atelectasis

Exam 41: Medical Gas Therapy

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Which of the following factors determine the actual O₂ provided by an air-entrainment system? 1) O₂ input flow to the jet 2) Air-to-O₂ ratio of the device 3) Resistance downstream from the jet

(Multiple Choice)

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Question 21

You design an air-entrainment system that mixes air with O₂ at a fixed ratio of 1:7. Approximately what O₂ concentration will this device provide?

(Multiple Choice)

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(81)

Question 22

Physiologic effects of hyperbaric oxygen (HBO) therapy include all of the following except:

(Multiple Choice)

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Question 23

What is/are the primary organ system(s) affected by O₂ toxicity? 1) Central nervous system (CNS) 2) Lungs 3) Kidneys

(Multiple Choice)

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Question 24

What is the minimum flow setting for a simple mask applied to an adult?

(Multiple Choice)

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Question 25

A 45-year-old patient with congestive heart failure is receiving O₂ through a 35% air-entrainment mask. With an O₂ input of 6 L/min, what is the total output gas flow?

(Multiple Choice)

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(70)

Question 26

Mixtures of carbon dioxide and oxygen in blends of 5%:95% or 7%:93%, which are occasionally used to prevent complete washout of carbon dioxide during cardiopulmonary bypass or treat hiccoughs is known as which of the following?

(Multiple Choice)

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Question 27

Which of the following conditions can be treated with hyperbaric oxygen (HBO) therapy? 1) Carbon monoxide poisoning 2) Septic shock 3) Air embolism 4) Clostridial gangrene

(Multiple Choice)

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Question 28

A patient is receiving O₂ through a nonrebreathing mask set at 8 L/min. You notice that the mask's reservoir bag collapses completely before the end of each inspiration. Which of the following actions is appropriate in this case?

(Multiple Choice)

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Question 29

In giving O₂ to an infant through a hood, which of the following are correct? 1) A neutral thermal environment should be maintained. 2) Gases should be directed away from the infant's face. 3) High input flow (>10 to 15 L/min) should be avoided. 4) A minimum flow of 7 L/min must be maintained.

(Multiple Choice)

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Question 30

A patient breathing 100% O₂ for 24 hr or longer would most likely exhibit which of the following? 1) Decreased DLCO 2) Decreased C_L 3) Increased PAO₂ - PaO₂ 4) Decreased VC

(Multiple Choice)

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Question 31

A well-fitted nonrebreathing mask, adjusted so that the patient's inhalation does not deflate the bag (flows approximately 10 L/min), should provide inspired O₂ concentrations in what range?

(Multiple Choice)

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Question 32

Which of the following alternatives may increase the FiO₂ capabilities of air-entrainment nebulizers? 1) Add open reservoir to expiratory side of T tube. 2) Connect together two or more nebulizers. 3) Use a commercial dual-flow system. 4) Add open reservoir to inspiratory side of T tube.

(Multiple Choice)

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Question 33

During hyperbaric oxygen therapy at 3 ATA, plasma contains about how much dissolved O₂?

(Multiple Choice)

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Question 34

To ensure a stable FiO₂ under varying patient demands, what must an O₂ delivery system do?

(Multiple Choice)

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Question 35

A patient with chronic hypercapnia placed on an FiO₂ of 0.6 starts hypoventilating. What is a possible cause of this phenomenon?

(Multiple Choice)

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Question 36

Toxic side effects of inhaled NO include which of the following? 1) Acute pulmonary edema 2) Direct cellular damage 3) Impaired surfactant production 4) Sulfhemoglobinemia

(Multiple Choice)

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Question 37

You enter the room of a patient who is receiving nasal O₂ through a bubble humidifier at 5 L/min. You immediately notice that the humidifier pressure relief is popping off. Which of the following actions would be most appropriate in this situation?

(Multiple Choice)

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Question 38

What is the recommended maximum initial dose of inhaled NO in neonates with respiratory distress syndrome?

(Multiple Choice)

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Question 39

What does 1 atmospheric pressure absolute (ATA) equal? 1) 101 kPa 2) 50 psi 3) 760 mm Hg

(Multiple Choice)

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Question 40

Showing 21 - 40 of 93

Exam 41: Medical Gas Therapy

Which of the following factors determine the actual O2 provided by an air-entrainment system? 1) O2 input flow to the jet 2) Air-to-O2 ratio of the device 3) Resistance downstream from the jet

You design an air-entrainment system that mixes air with O2 at a fixed ratio of 1:7. Approximately what O2 concentration will this device provide?

Physiologic effects of hyperbaric oxygen (HBO) therapy include all of the following except:

What is/are the primary organ system(s) affected by O2 toxicity? 1) Central nervous system (CNS) 2) Lungs 3) Kidneys

What is the minimum flow setting for a simple mask applied to an adult?

A 45-year-old patient with congestive heart failure is receiving O2 through a 35% air-entrainment mask. With an O2 input of 6 L/min, what is the total output gas flow?

Mixtures of carbon dioxide and oxygen in blends of 5%:95% or 7%:93%, which are occasionally used to prevent complete washout of carbon dioxide during cardiopulmonary bypass or treat hiccoughs is known as which of the following?

Which of the following conditions can be treated with hyperbaric oxygen (HBO) therapy? 1) Carbon monoxide poisoning 2) Septic shock 3) Air embolism 4) Clostridial gangrene

A patient is receiving O2 through a nonrebreathing mask set at 8 L/min. You notice that the mask's reservoir bag collapses completely before the end of each inspiration. Which of the following actions is appropriate in this case?

In giving O2 to an infant through a hood, which of the following are correct? 1) A neutral thermal environment should be maintained. 2) Gases should be directed away from the infant's face. 3) High input flow (>10 to 15 L/min) should be avoided. 4) A minimum flow of 7 L/min must be maintained.

A patient breathing 100% O2 for 24 hr or longer would most likely exhibit which of the following? 1) Decreased DLCO 2) Decreased CL 3) Increased PAO2 - PaO2 4) Decreased VC

A well-fitted nonrebreathing mask, adjusted so that the patient's inhalation does not deflate the bag (flows approximately 10 L/min), should provide inspired O2 concentrations in what range?

Which of the following alternatives may increase the FiO2 capabilities of air-entrainment nebulizers? 1) Add open reservoir to expiratory side of T tube. 2) Connect together two or more nebulizers. 3) Use a commercial dual-flow system. 4) Add open reservoir to inspiratory side of T tube.

During hyperbaric oxygen therapy at 3 ATA, plasma contains about how much dissolved O2?

To ensure a stable FiO2 under varying patient demands, what must an O2 delivery system do?

A patient with chronic hypercapnia placed on an FiO2 of 0.6 starts hypoventilating. What is a possible cause of this phenomenon?

Toxic side effects of inhaled NO include which of the following? 1) Acute pulmonary edema 2) Direct cellular damage 3) Impaired surfactant production 4) Sulfhemoglobinemia

You enter the room of a patient who is receiving nasal O2 through a bubble humidifier at 5 L/min. You immediately notice that the humidifier pressure relief is popping off. Which of the following actions would be most appropriate in this situation?

What is the recommended maximum initial dose of inhaled NO in neonates with respiratory distress syndrome?

What does 1 atmospheric pressure absolute (ATA) equal? 1) 101 kPa 2) 50 psi 3) 760 mm Hg

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Filters

Which of the following factors determine the actual O₂ provided by an air-entrainment system? 1) O₂ input flow to the jet 2) Air-to-O₂ ratio of the device 3) Resistance downstream from the jet

You design an air-entrainment system that mixes air with O₂ at a fixed ratio of 1:7. Approximately what O₂ concentration will this device provide?

What is/are the primary organ system(s) affected by O₂ toxicity? 1) Central nervous system (CNS) 2) Lungs 3) Kidneys

A 45-year-old patient with congestive heart failure is receiving O₂ through a 35% air-entrainment mask. With an O₂ input of 6 L/min, what is the total output gas flow?

A patient is receiving O₂ through a nonrebreathing mask set at 8 L/min. You notice that the mask's reservoir bag collapses completely before the end of each inspiration. Which of the following actions is appropriate in this case?

In giving O₂ to an infant through a hood, which of the following are correct? 1) A neutral thermal environment should be maintained. 2) Gases should be directed away from the infant's face. 3) High input flow (>10 to 15 L/min) should be avoided. 4) A minimum flow of 7 L/min must be maintained.

A patient breathing 100% O₂ for 24 hr or longer would most likely exhibit which of the following? 1) Decreased DLCO 2) Decreased C_L 3) Increased PAO₂ - PaO₂ 4) Decreased VC

A well-fitted nonrebreathing mask, adjusted so that the patient's inhalation does not deflate the bag (flows approximately 10 L/min), should provide inspired O₂ concentrations in what range?

Which of the following alternatives may increase the FiO₂ capabilities of air-entrainment nebulizers? 1) Add open reservoir to expiratory side of T tube. 2) Connect together two or more nebulizers. 3) Use a commercial dual-flow system. 4) Add open reservoir to inspiratory side of T tube.

During hyperbaric oxygen therapy at 3 ATA, plasma contains about how much dissolved O₂?

To ensure a stable FiO₂ under varying patient demands, what must an O₂ delivery system do?

A patient with chronic hypercapnia placed on an FiO₂ of 0.6 starts hypoventilating. What is a possible cause of this phenomenon?

You enter the room of a patient who is receiving nasal O₂ through a bubble humidifier at 5 L/min. You immediately notice that the humidifier pressure relief is popping off. Which of the following actions would be most appropriate in this situation?