E-commerce platforms widely apply collaborative filtering al…

E-commerce platforms widely apply collaborative filtering algorithms to recommend products to their customers. There has been a discussion on whether the collaborative filtering-based recommendation would lead to more or less diverse product consumption. Based on the mechanism of collaborative filtering, could you please discuss your hypothesis on this question? Please briefly discuss the supporting points of your hypothesis using the bullet points. 

A client is admitted with severe pulmonary edema with left-s…

A client is admitted with severe pulmonary edema with left-sided heart failure.  The client very dyspneic, and can only speak in short sentences.  He is sitting straight up in bed and holding his oxygen mask tightly to his face.  Which of the following medical prescriptions would be a priority?