Which of the following are true of the relationship between flow and volume? 1. Volume is the integral of flow. 2. Volume is the derivative of flow. 3. Flow is the derivative of volume.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
Q. 2 The respiratory therapist has been called to transport a patient from the emergency department to obtain a CT scan. Which of the following types of ventilator should the therapist chose to transport the patient?
a. Electric
b. Apneuistic
c. Pneumatic
d. Electronic
Q. 3 During volume control ventilation, the clinician has control over which of the following? 1. Pressure waveform 2. Volume waveform 3. Flow waveform
a. 1 or 2 only
b. 2 or 3 only
c. 2 only
d. 1, 2, and 3
Q. 4 Which of the following are characteristics of a ventilator that function as a true volume control-ler?
1. Its pressure waveform changes with changes in lung mechanics.
2. It measures and uses volume to control the volume waveform.
3. Its volume waveform stays constant with changes in lung mechanics.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
Q. 5 According to the equation of motion of the respiratory system, a ventilator can control which of the following variables? 1. Volume 2. Resistance 3. Pressure 4. Flow
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only
Q. 6 If the pressure waveform of a ventilator remains the same when a patient's lung mechanics change, then what is the ventilator?
a. Volume controller
b. Pressure controller
c. Time controller
d. Flow controller
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