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1. What hormone directly opposes the actions of natriuretic hormones?
 
 
 
 

Question 1 of 5

2. Which of these is a vasoconstrictor?
 
 
 
 

Question 2 of 5

3. What signal causes the heart to secrete atrial natriuretic hormone?
 
 
 
 

Question 3 of 5

4. Critical Thinking: What organs produce which hormones or enzymes in the renin–angiotensin system?

Question 4 of 5

5. Critical Thinking: PTH affects absorption and reabsorption of what?

Question 5 of 5