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Questions and Answers
What is the primary mechanism of action of hormonal therapy in treating breast cancer?
What is the primary mechanism of action of hormonal therapy in treating breast cancer?
- Promoting tumor growth by stimulating estrogen receptors
- Blocking or destroying the estrogen receptors on cancer cells (correct)
- Increasing the production of estrogen to feed the cancer cells
- Destroying the ovaries to reduce estrogen production
Which of the following is a common antiestrogen drug used in the treatment of breast cancer?
Which of the following is a common antiestrogen drug used in the treatment of breast cancer?
- Tamoxifen
- Letrozole
- Fulvestrant
- All of the above (correct)
How does letrozole differ from tamoxifen in its mechanism of action?
How does letrozole differ from tamoxifen in its mechanism of action?
- Letrozole blocks estrogen receptors, while tamoxifen inhibits the creation of estrogen. (correct)
- Letrozole is used for metastatic breast cancer, while tamoxifen is used for early-stage breast cancer.
- Letrozole is given intravenously, while tamoxifen is given orally.
- Letrozole promotes tumor growth, while tamoxifen inhibits it.
What is the primary use of fulvestrant (Faslodex) in the treatment of breast cancer?
What is the primary use of fulvestrant (Faslodex) in the treatment of breast cancer?
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Which of the following is the first-line hormonal therapy for post-menopausal, estrogen receptor-positive breast cancer patients?
Which of the following is the first-line hormonal therapy for post-menopausal, estrogen receptor-positive breast cancer patients?
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What is the primary mechanism by which hormonal therapy promotes tumor regression in breast cancer?
What is the primary mechanism by which hormonal therapy promotes tumor regression in breast cancer?
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