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Book 3 Unit 1
Select the one best answer to each question (unless otherwise instructed). Record your answers on the test.
Which of the following procedures is the best way to measure the concentration of arterial oxygen?
A. With an oxygen analyzer
B. From an arterial blood gas sample
C. Check the liter-per-minute flow of oxygen.
D. From a warmed capillary blood sample
A baby with respiratory distress is breathing 45% oxygen and has an arterial blood oxygen tension of 96 mm Hg. What adjustments in oxygen should be made for this baby?
A. Change the inspired oxygen to room air.
B. Change the inspired oxygen to 40%.
C. Change the inspired oxygen to 50%.
D. No changes in oxygen therapy for this baby
A baby's eyes may be damaged from periods of too much
A. Bilirubin in the blood
B. Carbon dioxide in the air
C. Oxygen in the blood
D. Oxygen in the air
Which of the following procedures is the best way to gauge the amount of oxygen a baby needs?
A. Arterial blood gas measurements
B. Cyanosis of the trunk and mucous membranes
C. Degree of respiratory distress
D. Venous blood gas measurements
Which of the following babies is least likely to require supplemental oxygen?
A. A preterm baby with respiratory distress and heart rate of 80 beats per minute
B. A 5-day-old who appears dusky all over
C. An extremely preterm baby in the delivery room with a 5-minute Apgar score of 2
D. A preterm baby with an arterial blood oxygen tension (Pao2) of 60 mm Hg
Which of the following techniques is the best way to regulate the amount of oxygen a baby receives?
A. Administer oxygen alone and regulate the liter-per-minute flow.
B. Control the time the baby receives supplemental oxygen.
C. Hold the oxygen source closer to or farther away from the baby's face.
D. Use an oxygen blender.
A baby found in mother's room with bluish-colored tongue and lips requires immediate oxygen therapy.
True
False
Arterial blood gas samples are not needed if continuous pulse oximetry is used.
True
False
Lung damage is a possible consequence of high inspired oxygen concentration over time .
True
False
Capillary blood gas measurements are a reliable way to determine a baby's blood oxygen level.
True
False
Oxygen from a tank that has been in a warm room for more than 24 hours does not need to be heated or humidified.
True
False
A pulse oximeter uses light to estimate the degree to which hemo- globin is saturated with oxygen.
True
False
Pulse oximetry is most sensitive in the detection of low blood oxygen.
True
False
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