Interpret the significance of the arrow shown on breath C present on the pressure-time scalar
A. an inspiratory pause
B. an expiratory pause
C. alveolar overdistention
D. flow-cycling criterion
ANS: B
A. Incorrect response: See explanation B.
B. Correct response: The arrow on the pressure-time scalar under the breath labeled "C," shown in rationale #13, indicates that an expiratory hold was applied at the time the third breath in the sequence of the three shown. Performing an expiratory hold at this point in the ventilatory cycle enables auto-Peep to equilibrate with the circuit pressure and be measured.
C. Incorrect response: See explanation B.
D. Incorrect response: See explanation B.?
You might also like to view...
Aside from offering the job to the candidate and verifying the start date, what else should be discussed in a job offer?
A. Rules of the medical facility B. Salary C. Skills needed for the position D. Education of the candidate
You are transporting an elderly woman who fell in a nursing home and has outward rotation of her left leg. She has a lengthy medical history, including dementia. Currently, she is very quiet and receiving oxygen through a nasal cannula. She is laying supine on the floor. During your reassessment, you note her to be alert but confused, with slightly accelerated respirations and a strong radial
pulse. You also note that her SpO2 has dropped from 97 percent on scene to 91 percent. You should: A) request ALS assistance. B) perform a head-tilt/chin-lift maneuver. C) apply a nonrebreather. D) start positive pressure ventilation.