Positive Pressure Ventilation Flashcard 3
Rationale
B. Rationale: Positive end-expiratory pressure (PEEP) is the air pressure in the lungs that remains between breaths during assisted ventilation. Optimal PEEP levels encourage efficient gas exchange by reducing the shunting of blood through the lungs.
Question
Which one of the following physiologic measurements in the lungs pertains to the remaining air pressure between breaths during assisted ventilation?
a. Plateau pressure
b. Positive end-expiratory pressure
c. Peak inspiratory pressure
d. Continuous positive airway pressure
Answer
b. Positive end-expiratory pressure
Rationale
C. Rationale: The targeted preductal oxygen saturation at 10 minutes after birth is 85–95%. The healthcare provider should be thinking of decreasing the oxygen concentration from 100% if the patient has achieved this preductal oxygen saturation level.
Question
You are adjusting oxygen concentration for a preterm newborn undergoing positive pressure ventilation. The staff want to know if you need to increase or decrease the oxygen saturation. What should the target preductal oxygen saturation be at 10 minutes after birth?
a. 65–70%
b. 75–80%
c. 85–95%
d. 95–100%
Answer
c. 85–95%
Rationale
C. Rationale: A meconium aspirator is a device designed to suction out meconium from the upper airways in cases of live births with thickly stained amniotic fluid.
Question
You are preparing the medical equipment for the next high-risk birth where the obstetrician reports that after rupture of membranes, the amniotic fluid is noted to be thickly stained. Which of the following medical devices will you add to the cart?
a. Prednisone
b. Surfactant
c. Meconium aspirator
d. Automated external defibrillator
Answer
c. Meconium aspirator
Rationale
D. Rationale: It should take only 15 seconds for the heart rate to improve when providing adequate positive pressure ventilation.
Question
You are providing positive pressure ventilation to a nonvigorous newborn boy that has shown no improvement during the initial steps of neonatal resuscitation. If you are giving optimal assisted ventilation and there is no problem with the neonate, how long should it take for the newborn’s heart rate to improve?
a. 1 minute
b. 45 seconds
c. 30 seconds
d. 15 seconds
Answer
d. 15 seconds