Which nursing action takes priority when admitting a elient with right lower lobe pneumonia

A. Elevating the head of the bed 45 to 90 degrees.
B. Auscultating the chest for adventitious sounds.
C. Obtaining a sputum specimen for culture.
D. Notifying the physician of the client’s admission.

根据动力能源的不同，执行机构分为（）、（）和（）执行机构。