<prompt> Regarding suckling reflex, which of the following is trueHas afferent hormonal and efferent neuronal componentsIncreases placental lactogen secretionIncreases the release of dopamine from the arcuate nucleusTriggers the release of oxytocin by stimulating the supraoptic nuclei  <response>: When the baby suckles, neural signals from the nipple travel nerves to the spinal cord and up to the brain afferent component, which triggers the release of oxytocin from the supraoptic nuclei efferent component. 