A respiratory therapist is called to the ED to assist with the intubation of an alert, agitated patient in respiratory failure. Two intubation attempts were unsuccessful. In addition to a neuromuscular blockade, which of the following drugs will best facilitate intubation?

Moderate rises in pleural pressure during positive-pressure ventilation have a minimum effect on cardiac output in normal subjects. What are some reasons for this lack of effect? compensatory dilation of the large arteriescompensatory increase in venomotor tonecompensatory increase in the cardiac rate

You are preparing a respiratory care plan to minimize or prevent trauma caused by artificial tracheal airways. Which of the following would least likely reach this goal?

What are some sources of increased work of breathing in intubated patients? a small endotracheal tube sizean HMEauto-PEEP

You have been asked to monitor a patient who has just been extubated. Which of the following parameters would you monitor? breathing patternbreath soundsSpO2voice / phonation

When applying the 5 steps of the patient-ventilator interaction, which step requires you to interpret the patient’s physiology?

What is the correct sequence of steps to extubate an orotracheally intubated patient?

What happens to the P(A-a) O2 with mismatch and shunt?

Which of the following provides clinicians with measured or calculated data related to ventilatory support over time?

An adult patient who weighs 62 kg (136 Lbs) requires a minute ventilation of 15L/min to maintain a PaCO2 of 36 while receiving mechanical ventilation. Which of the following could explain these ventilatory requirements? excessive caloric intakeincreased dead space ventilationfebrile patientincreased intrapulmonary shunt