Problem 1: List 5 "detectable phenomena" on the body or environment and what vital sign or environmental condition they are related to. For example, "Acoustic signals can be used to quantify pulse."
Problem 2: Which of these signals given in your answer above would be useful for ambulatory monitoring with a wearable biosensor? Why? Which may be difficult to implement as a wearable? Why?
Problem 3: For one of these signals given in your answer above, give an example of abnormal patient condition, which can be detected by a change in that these signal.