Chapter 8: Invasive Blood Gas Analysis and Monitoring Test Bank
MULTIPLE CHOICE 1. A respiratory therapist has been ordered to obtain a blood gas sample from a nonintubated
premature baby. After selecting the best site to obtain the sample, what should the RT suggest to ameliorate the pain associated with the procedure? a. Administer a small dose of fentanyl b. Inject lidocaine at the injection site c. Give a pacifier dipped in 24% sucrose d. Administer a lidocaine drip ANS: C
For infants more than 4 months of age and for children, anesthetic cream or a lidocaine injection may be used to control the pain felt during a blood gas procedure. For nonintubated infants and premature newborns, a pacifier dipped in 24% sucrose is effective in helping to ameliorate the effects of pain. REF: p. 115 2. Which of the following arteries is considered the optimal puncture site for obtaining arterial
blood samples from neonatal and pediatric patients?
a. b. c. d.
Radial artery Axillary artery Ulnar artery Popliteal artery
ANS: A
The preferred site in both neonatal and pediatric populations is the radial artery. The radial artery provides good access as well as collateral circulation to the hand by the ulnar artery. No
