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Breast Disease

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Which of the following is the LEAST common presentation of breast disease in women?

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a. Breast pain

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b. Palpable mass

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c. Nipple discharge

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d. Skin abnormalities

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The normal saccular dilation of the largest breast ducts beneath the nipple is referred to by what name?

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a. Ductal lacuna

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b. Lactiferous sinus

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c. Infraareolar plexus

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d. Areolar ductal plexus

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The areola contains numerous lubricating sebaceous glands referred to as which of the following?

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a. Areolar glands

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b. Montgomery glands

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c. Mammosebaceous units

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d. Mammolactiferous glands

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Which group of lymph nodes receives most of the lymphatic drainage from the breasts and are there­fore most often involved by breast cancer metastases?

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a. Axillary

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b. Supraclavicular

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c. External mammary

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d. Internal mammary

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The primordial breast develops from which of the following tissues?

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a. Mesoderm

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b. Primitive fat lobules

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c. Basal layer of the epidermis

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d. Multipotent cells within the dermis

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Final histologic differentiation of breast tissue is not completed until which of the following occurs?

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a. Menarche

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b. Onset of puberty

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c. First full-term pregnancy

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d. Breastfeeding for several months

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Most benign and malignant breast diseases occur within the breast structures that are most sensitive to ovarian hormones and prolactin. Which structures are these?

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a. Lobular fat

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