Tamoxifen is prescribed for the client with metastatic breast carcinoma. The nurse understands that.

Tamoxifen is prescribed for the
client with metastatic breast carcinoma. The nurse understands that which is
the primary action of this medication?

1. Increase DNA and RNA synthesis.
2. Promote the biosynthesis of nucleic acids. 3. Increase estrogen
concentration and estrogen response. 4. Compete with estradiol for binding to
estrogen in tissues containing high concentrations of receptors