Formula fed babies secrete 50% MORE insulin than BF {Ans: true}hormone that increases with nipple stimulation {Ans: prolactin}grade 2 nipple classification {Ans: can be pulled out but dont maintain after stimulation stops}how long after birth should the baby get back to its birth weight {Ans: 2 weeks}what are secretory Iga (SIGA) {Ans: bind to microbes to prevent them from being absorbed. baby gets it from colostrum- not naturally in their body}grade 3 nipple classification {Ans: difficult or impossible to pull out}