A lactation specialist is training hospital nursing staff. Which statement MOST accurately describes the let-down (milk ejection) reflex?
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A
It is triggered by prolactin and causes alveolar cells to produce milk
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B
It is triggered by oxytocin and causes myoepithelial cells to contract and eject milk
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C
It is triggered by estrogen and is inhibited by skin-to-skin contact
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D
It only occurs during the first week postpartum