Answer:
The life expectancy for congestive heart failure depends on the cause of heart failure, its severity, and other underlying medical conditions. In general, about half of all people diagnosed with congestive heart failure will survive five years. About 30% will survive for 10 years.
 
        
             
        
        
        
B. The heart rate he should maintain during exercise to obtain fitness and health benefits
        
             
        
        
        
D. Eustress is supposed to be positive stress, helping you to be motivated and alert. Eustress can help you when you are studying for a test or in other cases where you need to succeed. With Eustress, you can be motivated to create a plan to budget your time to study for a test, or to practice for an oral presentation etc. However, if you do feel nervous, anxious, confused, you might want to consider this type of stress to be more negative than positive. 
        
             
        
        
        
The answer is hives and throat swelling
        
             
        
        
        
I think it's because they need to be ready to help customers with questions and concerns regarding different medications, as well as watching out for signs of medication abuse.
hope this helps!!