When considering mammographic breast screening, which of the following statements is false?Question 1Answera.Breast density may be evaluated in a routine mammogramb.MRI screening is more sensitive and may be preferable in high-risk womenc.Detection of preinvasive breast cancer is commonplaced.False negative test results are now rare in all women

A radiologist is using an MRI to determine whether a tumor detected in a patient is malignant, but the results are ambiguous. Deciding that the danger of missing a true malignancy is greater than the upset caused by what might be a false positive diagnosis, the radiologist reports that the tumor is probably malignant and refers the patient to a specialist for further evaluation and treatment. In this example,Question 13Answera.the radiologist has adopted a conservative decision criterion.b.the radiologist’s decision criterion will depend on whether the tumor is later found to be malignant.c.the radiologist has adopted a neutral decision criterion.d.the radiologist has adopted a liberal decision criterion.

Which of the following statements is false regarding the incidence of prostate cancer?Question 2Answera.Prostate cancer is the most commonly diagnosed cancer among men in the U.S.b.Some of the lowest incidence rates of prostate cancer in the world are in Asia.c.White men have a higher incidence of prostate cancer compared to Black men.d.Developed countries have a higher incidence of prostate cancer.

When considering breast cancer in men, which of the following is least true?Question 3Answera.Fatality from a breast cancer diagnosis is higher than in womenb.Rates are comparable across racial and ethnic groups in the U.S.c.Men have ~1/1000 the lifetime risk of womend.A sister diagnosed with breast cancer before age 40 is an important risk factore.Men have similar breast tissue as women but lower exposure to estrogen

What proportion of breast cancer is theoretically preventable through changes in lifestyle among women in the US?Question 2Answera.All; annual mammography will detect all or most breast cancers in womenb.Approximately two-thirdsc.Approximately one-thirdd.Approximately one-half

Which of the following does not increase risk for breast cancer?Question 4Answera.High number of birthsb.High breast densityc.Family history of ovarian cancerd.Older age