Answer:
(c) 2.85 cg
Explanation:
Patient A: Â
- Lowest dose >> 0.3 mg x 30 days = 9 mg
Patient B: Â
- Highest dose >> 1.25 mg x 30days  = 37.5 mg
Comparison of dose between patients  = 37.5 mg - 9 mg = 28.5 mg >>>  1 centigram is equivalent to ten (10) milligrams (mg), thereby the correct answer is (c) 2.85 cg
Premarin is a medication that contains conjugated estrogens (hormones). It is commonly used in the USA to treat menopause symptoms like hot flashes and vaginal dryness.