Which of the following five adult patients receiving ventilatory support is the best candidate for weaning? \(\begin{array}{cccccc}&&&\text { Maximum voluntary }\\ \text { Patient } &\mathrm{VC}& \underline{V_{E}}&\text { ventilation (MVV) }& \text { MIP }&\mathrm{V}_{\mathrm{D}} / \mathrm{V}_{\mathrm{T}}&\dot{\mathrm{Q}}_{s} / \dot{\mathrm{Q}}_{t}\\ A.&1.5 \mathrm{~L} & 4.6 \mathrm{~L} & 9.9 \mathrm{~L} & -33 \mathrm{~cm} \mathrm{H}_{2} \mathrm{O} & 0.45 & 17 \% \\ B.&0.9 \mathrm{~L} & 12.1 \mathrm{~L} & 14.3 \mathrm{~L} & -28 \mathrm{~cm} \mathrm{H}_{2} \mathrm{O} & 0.76 & 12 \% \\ C.&1.3 \mathrm{~L} & 6.3 \mathrm{~L} & 16.7 \mathrm{~L} & -42 \mathrm{~cm} \mathrm{H}_{2} \mathrm{O} & 0.39 & 28 \% \\ D.&0.7 \mathrm{~L} & 5.4 \mathrm{~L} & 7.1 \mathrm{~L} & -18 \mathrm{~cm} \mathrm{H}_{2} \mathrm{O} & 0.65 & 11 \% \end{array}\)

The answer of Which of the following five adult patients...

Of the following adult patients receiving ventilatory support, which has a stable enough cardiovascular profile to consider weaning? \(\begin{array}{llrll}&&\text { Systolic blood }\\ &\text { Heart rate }&\text { pressure }(\mathrm{mm} \mathrm{Hg}) &\text { Hemoglobin }(\mathrm{g} / \mathrm{dl})&\text { Clinical status }\\ A.&109 & 155 & 10 & \text { Minor arrhythmias } \\ B.&138 & 115 & 11 & \text { Chestpain } \\ C.&89 & 72 & 12 & \text { Minor arrhythmias } \\ D.&92 & 90 & 8 & \text { No arrhythmias } \end{array}\)

The answer of Of the following adult patients receiving ventilatory...

A physician orders a T-tube trial for a patient receiving ventilatory support in the assist-control mode with an FIO2 of 0.4. What FIO2 would you recommend for this patient during the spontaneous breathing period?

A) 0.3 B) 0.4 C) 0.5 D) 0.6 A) 0.3 B) 0.4 C) 0.5 D) 0.6

Exam 47: Discontinuing Ventilatory Support

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Which of the following five adult patients receiving ventilatory support is the best candidate for weaning? Maximum voluntary Patient ventilation (MVV) MIP / / A. 1.5 4.6 9.9 -33 0.45 17\% B. 0.9 12.1 14.3 -28 0.76 12\% C. 1.3 6.3 16.7 -42 0.39 28\% D. 0.7 5.4 7.1 -18 0.65 11\%

(Short Answer)

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Question 41

While monitoring a patient being weaned through a T-tube protocol, signs indicating that mechanical ventilation should be restored include all of the following except:

(Multiple Choice)

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Question 42

Advantages of adding continuous positive airway pressure (CPAP) to T-tube weaning include all of the following except:

(Multiple Choice)

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Question 43

Which of the following ventilator modes can ensure delivery of a preset V_T during spontaneous breathing? I. volume support or VERSUS (Siemens Servo Ventilator 300) II. volume-assured pressure support or VAPS (Bird 8400ST) III. augmented minute ventilation or MMV (Bear 1000)

(Multiple Choice)

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Question 44

All of the following are disadvantages of using the T-tube method for weaning except:

(Multiple Choice)

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Question 45

Which of the following cardiovascular changes would you consider a bad sign during weaning a patient from ventilatory support?

(Multiple Choice)

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Question 46

Of the following adult patients receiving ventilatory support, which has a stable enough cardiovascular profile to consider weaning? Systolic blood Heart rate pressure () Hemoglobin (/) Clinical status A. 109 155 10 Minor arrhythmias B. 138 115 11 Chestpain C. 89 72 12 Minor arrhythmias D. 92 90 8 No arrhythmias

(Short Answer)

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Question 47

Which of the following must you verify when considering weaning an obtunded patient? I.adequate gag reflex II.no depressant drugs III.adequate cough

(Multiple Choice)

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Question 48

Which of the following signs observed on a mechanically ventilated patient indicate that successful weaning is unlikely? I.palpable scalene muscle use during inspiration II.palpable abdominal tensing during expiration III.presence of an irregular breathing pattern IV.patient unable to alter breathing pattern on command

(Multiple Choice)

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Question 49

A physician orders a T-tube trial for a patient receiving ventilatory support in the assist-control mode with an FIO₂ of 0.4. What FIO₂ would you recommend for this patient during the spontaneous breathing period?

(Multiple Choice)

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Question 50

Which of the following changes can be expected when weaning a patient through a T-tube trial? I.increase in respiratory rate of 10/min II.increase in heart rate of 15 to 20/min III.5 to 10 mm Hg rise in the arterial PCO₂ IV.doubling of the minute ventilation

(Multiple Choice)

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Question 51

Common approaches used to wean patients from ventilatory support include which of the following? I.T-tube alternating with mechanical ventilation II.pressure-supported ventilation (PSV)III.intermittent mandatory ventilation

(Multiple Choice)

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Question 52

What is the least reliable weaning index?

(Multiple Choice)

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Question 53

A physician has selected a pressure support protocol to wean a patient off ventilatory support. Which of the following pressure levels would you recommend to begin the weaning process?

(Multiple Choice)

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Question 54

What is the most important prerequisite for weaning a patient from ventilatory support?

(Multiple Choice)

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Question 55

All of the following indicate that an adult patient is ready to be weaned from ventilatory support except:

(Multiple Choice)

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Question 56

While monitoring a patient during a T-tube weaning trial, you notice the following: an increase in heart rate from 86 to 100/min; an increase in respiratory rate from 12 to 23/min; an increase in PaCO₂from 39 to 45 mm Hg; and a decrease in PaO₂from 82 to 73 mm Hg. Which of the following actions would be appropriate at this time?

(Multiple Choice)

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Question 57

An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and V_T of 600 ml has stable vital signs and satisfactory blood gases on an FIO₂ of 0.45. What would you do to initiate weaning for this patient?

(Multiple Choice)

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Question 58

In considering a patient for extubation, which of the following would you recommend to minimize the risk of postextubation aspiration?

(Multiple Choice)

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Question 59

Above what pressure-time index (PTI) will most patients be unable to sustain spontaneous breathing?

(Multiple Choice)

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Question 60

Showing 41 - 60 of 66

Exam 47: Discontinuing Ventilatory Support

Which of the following five adult patients receiving ventilatory support is the best candidate for weaning? Maximum voluntary Patient ventilation (MVV) MIP / / A. 1.5 4.6 9.9 -33 0.45 17\% B. 0.9 12.1 14.3 -28 0.76 12\% C. 1.3 6.3 16.7 -42 0.39 28\% D. 0.7 5.4 7.1 -18 0.65 11\%

While monitoring a patient being weaned through a T-tube protocol, signs indicating that mechanical ventilation should be restored include all of the following except:

Advantages of adding continuous positive airway pressure (CPAP) to T-tube weaning include all of the following except:

Which of the following ventilator modes can ensure delivery of a preset VT during spontaneous breathing? I. volume support or VERSUS (Siemens Servo Ventilator 300) II. volume-assured pressure support or VAPS (Bird 8400ST) III. augmented minute ventilation or MMV (Bear 1000)

All of the following are disadvantages of using the T-tube method for weaning except:

Which of the following cardiovascular changes would you consider a bad sign during weaning a patient from ventilatory support?

Which of the following must you verify when considering weaning an obtunded patient? I.adequate gag reflex II.no depressant drugs III.adequate cough

A physician orders a T-tube trial for a patient receiving ventilatory support in the assist-control mode with an FIO2 of 0.4. What FIO2 would you recommend for this patient during the spontaneous breathing period?

Which of the following changes can be expected when weaning a patient through a T-tube trial? I.increase in respiratory rate of 10/min II.increase in heart rate of 15 to 20/min III.5 to 10 mm Hg rise in the arterial PCO2 IV.doubling of the minute ventilation

Common approaches used to wean patients from ventilatory support include which of the following? I.T-tube alternating with mechanical ventilation II.pressure-supported ventilation (PSV)III.intermittent mandatory ventilation

What is the least reliable weaning index?

A physician has selected a pressure support protocol to wean a patient off ventilatory support. Which of the following pressure levels would you recommend to begin the weaning process?

What is the most important prerequisite for weaning a patient from ventilatory support?

All of the following indicate that an adult patient is ready to be weaned from ventilatory support except:

An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and VT of 600 ml has stable vital signs and satisfactory blood gases on an FIO2 of 0.45. What would you do to initiate weaning for this patient?

In considering a patient for extubation, which of the following would you recommend to minimize the risk of postextubation aspiration?

Above what pressure-time index (PTI) will most patients be unable to sustain spontaneous breathing?

History of Respiratory Care

Quality and Evidence-Based Respiratory Care

Patient Safety, Communication, and Record Keeping

Principles of Infection Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

Computer Applications in Respiratory Care

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

Interpretation of Clinical Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Pulmonary Function Testing

A Review of Thoracic Imaging

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Lung Injury, Pulmonary Edema, and Multiple System Organ

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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

Medical Gas Therapy

Lung Expansion Therapy

Bronchial Hygiene Therapy

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Initiating and Adjusting Ventilatory Support

Noninvasive Positive Pressure Ventilation

Monitoring and Management of the Patient in the Intensive Care Unit

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

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Which of the following ventilator modes can ensure delivery of a preset V_T during spontaneous breathing? I. volume support or VERSUS (Siemens Servo Ventilator 300) II. volume-assured pressure support or VAPS (Bird 8400ST) III. augmented minute ventilation or MMV (Bear 1000)

A physician orders a T-tube trial for a patient receiving ventilatory support in the assist-control mode with an FIO₂ of 0.4. What FIO₂ would you recommend for this patient during the spontaneous breathing period?

Which of the following changes can be expected when weaning a patient through a T-tube trial? I.increase in respiratory rate of 10/min II.increase in heart rate of 15 to 20/min III.5 to 10 mm Hg rise in the arterial PCO₂ IV.doubling of the minute ventilation

An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and V_T of 600 ml has stable vital signs and satisfactory blood gases on an FIO₂ of 0.45. What would you do to initiate weaning for this patient?