An ICU patient is receiving flow-triggered breaths from a mechanical ventilator. The continuous flow in the breathing circuit is 6 L/min. The flow trigger threshold is 2 L/min. To what level does the continuous flow in the breathing circuit need to reach for the breath to be flow triggered?
A. 2 L/min
B. 4 L/min
C. 6 L/min
D. 8 L/min
ANS: B
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Which of the following is NOT commonly associated with touch-triggered responses?
a) Pain referral zones b) Deconditioning c) Numbness d) Ticklishness
Which one of the following statements made by an EMT shows he understands the use of the pocket mask?
A) "Although the pocket mask is very effective at ventilating a patient, the EMT is directly exposed to secretions from the patient." B) "In comparison to the bag-valve mask, the pocket mask can deliver a just as good, if not better, tidal volume." C) "When using the pocket mask to ventilate a patient, the EMT must make sure that the reservoir bag is in place." D) "The EMT must remove the oral airway and replace it with a nasal airway when ventilating with a pocket mask."
When applying a cervical collar to a young boy who fell out of a tree, the EMT realizes the main purpose of the collar is to:
A) Prevent the head and neck from moving B) Maintain spine motion restriction C) Increase the blood flow to the spinal cord in the cervical region D) Remind the patient not to move his head or neck
What are the criteria to define hypopnea?
a. 20% decrease in airflow and 4% oxygen desaturation b. 20% decrease in airflow and 2% oxygen desaturation c. 30% decrease in airflow and 4% oxygen desaturation d. 30% decrease in airflow and 2% oxygen desaturation