While all of the following are important collection criteria to ensure the recovery of intracellular organisms, which is probably the most important?
A) Presence of epithelial cells in the specimen B) Material used to collect the specimen
C) Appropriate site of specimen collection D) Time of collection of the specimen
A
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Which of the following indicates the typical chest radiographic findings of a patient with silico-sis?
a. Apical nodules b. Bibasilar reticulogranular appearance c. Lymphadenopathy d. Pleural plaque
A neonate of 30 weeks' gestation shows signs of respiratory distress after delivery, including grunting, nasal flaring, and cyanosis
The baby is placed on nasal CPAP at 6 cm H2O with an FIO2 of 0.6. The grunting and nasal flar-ing are alleviated, and the ABG results on these settings are: pH = 7.20, PaCO2 = 64 mm Hg, PaO2 = 48 mm Hg, SaO2 = 70%, HCO3? = 21 mEq/L. The respiratory therapist should recommend which of the following? a. Increase the CPAP to 8 cm H2O and the FIO2 to 0.7. b. Switch to nasal IMV, an inspiratory pres-sure of 18 cm H2O, PEEP of 4 cm H2O, and an FIO2 of 0.8. c. Continue with the current settings and monitor the patient closely. d. Intubate and use PC-IMV, an inspiratory pressure of 16 cm H2O, PEEP of 5 cm H2O, and an FIO2 of 0.8.