Which chart/graph is the method of choice for plotting data over time?

You are treating a 67-year-old male patient with chest pain and a history of prior heart attacks as well as diabetes and hypertension. The patient has taken three nitroglycerin tablets, which have decreased his pain from 7/10 to 4/10; however, the pain persists. Initially, his SpO2 was 91% on room air. Oxygen was applied by nasal cannula and now, on 3 lpm O2, his SpO2 is 97%. How would you address the oxygen administration, given that the patient still has chest pain

A) Increase the oxygen flow to 4 lpm B) Decrease the oxygen flow to 2 lpm C) Leave the oxygen flow unchanged D) Discontinue oxygen therapy

An elderly patient has fallen in her home and activated the 911 system by pressing a medical alarm worn around her neck. On arrival, you can see the patient on the floor, but she cannot come to the door to open it and let you in. In this situation, your best course of action is to:

A) Use a crowbar to pry open a window or door B) Contact a locksmith to pick the locks on the front door C) Open the storm door in the front and kick open the front door D) Break a window in a room away from where the patient is located