Which of the following is TRUE of leukotrienes?
A) They are released by B lymphocytes.
B) They inhibit vascular permeability.
C) They promote faster effects than histamines.
D) They are known as SRS-As.
D
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Dr. Lewis spent 30 minutes with the patient on the final day of hospitalization (at discharge) observing, providing discharge instructions, examining the patient, and educating the patient on medication. What code would the physician submit for this service?
A) 99238 B) 99239 C) 99217 D) 99233
Which of the following could cause an infant to be excluded from extracorporeal life support (ECLS)?
A) a difference of greater than 620 torr for 6-12 hours B) gestational age of less than 35 weeks C) oxygen index of greater than 40 for 1-6 hours D) previous management with conventional mechanical ventilation for 2 days