A respiratory therapist suspects a right-to-left shunt through the patent ductus arteriosus (PDA) in a neonatal patient. Which of the following should be performed simultaneously with the umbilical artery catheter (UAC) blood gas to compare oxygen pressures?
A) collection of a left radial arterial sample
B) collection of a right radial arterial sample
C) placement of a transcutaneous PaO2 monitor
D) collection of a capillary sample
B
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Which of the following is a characteristic of a preferred provider organization (PPO)?
A. It includes a contracted network of providers. B. Members select a primary care physician (PCP) as a gatekeeper. C. The plan is more restrictive than a health maintenance organization (HMO). D. Members must obtain referrals to see a specialist.
You are transporting a 57-year-old male patient who went into cardiac arrest at home. After two shocks and CPR, he regained a pulse, but he remains unresponsive and in respiratory arrest. During transport, your reassessment reveals the absence of a carotid pulse. What should you do first?
A) Reapply the AED and analyze the heart rhythm B) Provide five cycles of CPR prior to using the AED C) Start CPR and continue emergency transport D) Stop the ambulance and analyze the heart rhythm with the AED
Who should select the coagulation instruments for a given laboratory?
a. Laboratory director b. Department manager c. Clinical laboratory scientists d. All of the previously listed individuals working together
The PSA injection technique may be contraindicated in patients with:
A) Clotting disorders due to risk of hematoma B) Diabetes due to high risk of infection C) TMD because of difficulty opening the mouth wide D) Missing maxillary second molars due to difficulty locating the posterior aspect of the tuberosity