The client receiving tamoxifen asks how this therapy helps fight breast cancer. What is the nurse's best response?
A. "The breast cancer cells need estrogen to continue growing. This agent decreases your circulating levels of estrogen."
B. "The breast cancer cells need estrogen to continue growing. This agent causes you to secrete testosterone instead of estrogen."
C. "The breast cancer cells need estrogen to continue growing. This agent kills off both the normal estrogen-secreting cells and the cancer cells."
D. "The breast cancer cells need estrogen to continue growing. This agent blocks the receptors for estrogen, reducing its availability to the cancer cells."
D
Tamoxifen is an estrogen antagonist/agonist. Its use in breast cancer is limited to cancers that express the estrogen receptor. Tamoxifen binds to the estrogen receptors, inhibiting the binding of estrogen to the receptors, and therefore "starving" the cancer cells of an essential growth fac-tor.
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Appropriate preventive measures for the nurse to take to prevent circulatory overload include: Standard Text: Select all that apply
1. Practice consistent hand hygiene. 2. Monitor infusions frequently. 3. Ensure sterile dressing to the insertion site. 4. Monitor the insertion site routinely. 5. Make accurate fluid calculations.
The patient has undergone a percutaneous coronary intervention (PCI) for relief of coronary stenosis secondary to arteriosclerotic heart disease. During discharge teaching, what patient statement most indicates the need for reteaching?
A) "This procedure means that my heart disease is cured." B) "I should continue to take my antilipidemic." C) "If I have any chest pain, I will call my doctor." D) "I will start a walking program after my doctor agrees."
Select the statement that is accurate about the power of a statistical test
1. The more powerful a test is, the less likely it is to reject the null hypothesis when it is false. 2. The power of the test increases with smaller sample sizes. 3. A one-tailed test is more powerful than a two-tailed test. 4. The power of the test decreases as the level of significance increases.
Which parts of the body demand and get more blood than the rest of the body?
A. brain and heart B. heart and kidneys C. kidneys and brain D. liver and kidneys