Problem 1: A new mother is informed that her infant has severe hypothyroidism. How would you explain the importance of thyroxine medication for her infant?
Problem 2: A patient with high blood pressure and edema (water-logged tissues) is given a drug that counteracts the action of ADH. Explain why this drug was administered and how it will work.
Problem 3: Some hormones affect many widely distributed cells in the body, while others affect relatively few, localized cells. Explain how this occurs.
Problem 4: A blood test indicates that a patient has a low level of thyroxine. What are three possible causes of this condition? Explain.