Diamond-Blackfan syndrome anemia is a rare congenital progressive erythrocyte aplasia. What is the most probable defect causing this rare disorder?

To suction an endotracheal tube the measurement of the soft catheter is from the tip of the endotracheal tube to the level of the carina, which lies at approximately the sternal notch. In the adult patient, typically a ________ Fr. suction catheter is used

A) 4 B) 8 C) 14 D) 20

Code for cryopreservation, freezing and storing the cells, each cell line

A) 88240 B) 88241 C) 88245 D) 88248