A patient receiving mechanical ventilation has an exhaled tidal volume (Vᴛ)of 500 mL and a positive end expiratory pressure setting (PEEP)of 5 cm H₂O.Patient-ventilator system checks reveal the following data: \[\begin{array} { | l | l | l | l} \hline \text { Time } & \text { PIP } \left( \mathrm { cm } \mathrm { H } _ { 2 } \mathbf { 0 } \right) & \mathrm { P } _ { \text {platen } } \left( \mathrm { cm } \mathrm { H } _ { \mathbf { 2 } } \mathbf { O } \right) \\ \hline 0600 & 27 & 15 \\ \hline 0800 & 29 & 15 \\ \hline 1000 & 36 & 13 \\ \hline \end{array}\] The respiratory therapist should recommend which of the following for this patient? 1)Tracheobronchial suctioning 2)Increase in the set tidal volume 3)Beta adrenergic bronchodilator therapy 4)Increase positive end expiratory pressure

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

Exam 1: Basic Terms and Concepts of Mechanical Ventilation

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (Pᴛᴀ).The respiratory therapist should conclude which of the following?

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(Multiple Choice)

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Question 1

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How many time constants are necessary for 95% of the tidal volume (Vᴛ)to be delivered from a mechanical ventilator?

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(Multiple Choice)

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Question 2

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Which of the following statements best defines elastance?

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(Multiple Choice)

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Question 3

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Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a Cs = 60 mL/cm H₂O and the R_aw = 6 cm H₂O/(L/sec).

(Multiple Choice)

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Question 4

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a Cs = 40 mL/cm H₂O and the Rₐᴡ = 1 cm H₂O/(L/sec).

(Multiple Choice)

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Question 5

Which of the following are involved in external respiration?

(Multiple Choice)

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Question 6

What type of ventilator increases transpulmonary pressure (Pʟ)by mimicking the normal mechanism for inspiration?

(Multiple Choice)

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Question 7

The term used to describe the tendency of a structure to return to its original form after being stretched or acted on by an outside force is which of the following?

(Multiple Choice)

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Question 8

The pressure required to maintain alveolar inflation is known as which of the following?

(Multiple Choice)

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Question 9

The formula used for the calculation of static compliance (Cs)is which of the following?

(Multiple Choice)

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Question 10

Evaluate the combinations of compliance and resistance and select the combination that will cause the lungs to empty slowest.

(Multiple Choice)

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Question 11

The transairway pressure (Pᴛᴀ)shown in this figure is which of the following?

(Multiple Choice)

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Question 12

The condition that is associated with an increase in airway resistance is which of the following?

(Multiple Choice)

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Question 13

The statement that describes the alveolus shown in Figure 1-1 is which of the following? 1)Requires more time to fill than a normal alveolus. 2)Fills more quickly than a normal alveolus. 3)Requires more volume to fill than a normal alveolus. 4)More pressure is needed to achieve a normal volume.

(Multiple Choice)

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Question 14

The ventilator that functions most physiologically uses which of the following?

(Multiple Choice)

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Question 15

Calculate airway resistance (Rₐᴡ)for a ventilator patient,in cm H₂O/L/sec,when the peak inspiratory pressure (PIP)is 50 cm H₂O,the plateau pressure (Pₚₗₐₜₑₐᵤ)is 15 cm H₂O,and the set flow rate is 60 L/min.

(Multiple Choice)

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Question 16

Which of the following conditions causes pulmonary compliance to increase?

(Multiple Choice)

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Question 17

A patient receiving mechanical ventilation has an exhaled tidal volume (Vᴛ)of 500 mL and a positive end expiratory pressure setting (PEEP)of 5 cm H₂O.Patient-ventilator system checks reveal the following data: Time PIP 0600 27 15 0800 29 15 1000 36 13 The respiratory therapist should recommend which of the following for this patient? 1)Tracheobronchial suctioning 2)Increase in the set tidal volume 3)Beta adrenergic bronchodilator therapy 4)Increase positive end expiratory pressure

(Multiple Choice)

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Question 18

The body's mechanism for conducting air in and out of the lungs is known as which of the following?

(Multiple Choice)

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Question 19

The respiratory therapist should expect which of the following findings while ventilating a patient with acute respiratory distress syndrome (ARDS)?

(Multiple Choice)

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Question 20

Showing 1 - 20 of 36

Exam 1: Basic Terms and Concepts of Mechanical Ventilation

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (Pᴛᴀ).The respiratory therapist should conclude which of the following?

How many time constants are necessary for 95% of the tidal volume (Vᴛ)to be delivered from a mechanical ventilator?

Which of the following statements best defines elastance?

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a Cs = 60 mL/cm H₂O and the Raw = 6 cm H₂O/(L/sec).

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a Cs = 40 mL/cm H₂O and the Rₐᴡ = 1 cm H₂O/(L/sec).

Which of the following are involved in external respiration?

What type of ventilator increases transpulmonary pressure (Pʟ)by mimicking the normal mechanism for inspiration?

The term used to describe the tendency of a structure to return to its original form after being stretched or acted on by an outside force is which of the following?

The pressure required to maintain alveolar inflation is known as which of the following?

The formula used for the calculation of static compliance (Cs)is which of the following?

Evaluate the combinations of compliance and resistance and select the combination that will cause the lungs to empty slowest.

The transairway pressure (Pᴛᴀ)shown in this figure is which of the following?

The condition that is associated with an increase in airway resistance is which of the following?

The statement that describes the alveolus shown in Figure 1-1 is which of the following? 1)Requires more time to fill than a normal alveolus. 2)Fills more quickly than a normal alveolus. 3)Requires more volume to fill than a normal alveolus. 4)More pressure is needed to achieve a normal volume.

The ventilator that functions most physiologically uses which of the following?

Calculate airway resistance (Rₐᴡ)for a ventilator patient,in cm H₂O/L/sec,when the peak inspiratory pressure (PIP)is 50 cm H₂O,the plateau pressure (Pₚₗₐₜₑₐᵤ)is 15 cm H₂O,and the set flow rate is 60 L/min.

Which of the following conditions causes pulmonary compliance to increase?

The body's mechanism for conducting air in and out of the lungs is known as which of the following?

The respiratory therapist should expect which of the following findings while ventilating a patient with acute respiratory distress syndrome (ARDS)?

How Ventilators Work

How a Breath Is Delivered

Establishing the Need for Mechanical Ventilation

Selecting the Ventilator and the Mode

Initial Ventilator Settings

Final Considerations in Ventilator Setup

Initial Patient Assessment

Ventilator Graphics

Assessment of Respiratory Function

Hemodynamic Monitoring

Methods to Improve Ventilation in Patient-Ventilator Management

Improving Oxygenation and Management of ARDS

Ventilator-Associated Pneumonia

Sedatives, Analgesics, and Paralytics

Extrapulmonary Effects of Mechanical Ventilation

Effects of Positive Pressure Ventilation on the Pulmonary System

Troubleshooting and Problem Solving

Basic Concepts of Noninvasive Positive-Pressure Ventilation

Weaning and Discontinuation from Mechanical Ventilation

Long-Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a Cs = 60 mL/cm H₂O and the R_aw = 6 cm H₂O/(L/sec).