Final answer:
Morphine can cause life-threatening adverse reactions including respiratory depression, hypotension, and bradycardia, which can be fatal if not treated promptly.
Step-by-step explanation:
The life-threatening adverse reactions of Morphine include respiratory depression, hypotension, and bradycardia. These reactions can be fatal if not treated promptly. Morphine can cause respiratory distress, leading to difficulty breathing, and it can also cause a significant drop in blood pressure, known as hypotension. In addition, it can slow down the heart rate, resulting in bradycardia. Therefore, the correct answer is All of the above. It is important to monitor patients closely when using Morphine and take appropriate measures to manage these adverse reactions.