A nurse is teaching a new mother about breastfeeding. The nurse determines that the teaching was successful when the woman identifies which hormone as responsible for milk let-down?

progesterone

estrogen

prolactin

oxytocin

Answer and Explanation

The Correct Answer is D

A. Progesterone plays a significant role in maintaining pregnancy and preparing the breasts for lactation, but it is not responsible for the milk let-down reflex.
B. Estrogen helps with breast development and ductal growth during pregnancy, but it does not trigger the milk let-down reflex.
C. Prolactin is responsible for milk production (lactogenesis) but not for the actual release of milk from the breast.
D. Oxytocin is the hormone responsible for the milk let-down reflex, which causes milk to be released from the milk glands into the nipple when the baby suckles. It also promotes uterine contractions after childbirth.

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Correct Answer is B

Explanation

A. Evidence that the newborn is becoming chilled would typically include signs such as cool skin, mottling, or acrocyanosis ,not active behaviors like head movement and eye contact.
B. A good time to initiate breast-feeding is correct. The described behaviors ,eye contact, head movement, and tongue thrusting, are characteristic of the first period of reactivity, which occurs within the first 30 minutes after birth. During this time, the newborn is alert, responsive, and exhibits strong rooting and sucking reflexes, making it an ideal window to begin breastfeeding.
C. The period of decreased responsiveness preceding sleep typically occurs after the first period of reactivity and is marked by reduced activity and interest in feeding, not alert behaviors.
D. A sign that the infant is being overstimulated would usually involve signs like gaze aversion, hiccupping, or flailing ,not purposeful movements or eye contact.

A. "This is meconium stool and is normal for a newborn." B. "You probably took iron during your pregnancy and that is what causes this type of stool." C. “ This is unusual, and I need to report this to your pediatrician." D. I'll take a sample and check it for possible bleeding"

Correct Answer is A

Explanation

A. "This is meconium stool and is normal for a newborn." is the correct and most appropriate response. Meconium is the newborn’s first stool, typically passed within the first 24 to 48 hours of life. It is black, tarry, and sticky in appearance and consists of materials the baby ingested while in the womb, such as amniotic fluid, mucus, and cells. It is completely normal and expected.

B. "You probably took iron during your pregnancy and that is what causes this type of stool." is incorrect. While iron supplements can darken adult stools, meconium is unrelated to maternal iron intake and is a normal physiological occurrence in all newborns.

C. “This is unusual, and I need to report this to your pediatrician." is incorrect and would be alarming to the parent unnecessarily. This is a normal finding, not something requiring physician notification.

D. "I'll take a sample and check it for possible bleeding" is also inappropriate unless there are other signs of concern (e.g., blood in stool later on). Meconium is not indicative of bleeding and does not warrant testing under normal circumstances.

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A nurse is teaching a new mother about breastfeeding. The nurse determines that the teaching was successful when the woman identifies which hormone as responsible for milk let-down?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Twenty minutes after birth, a baby begins to move his head from side to side, making eye contact with the mother, and pushes his tongue out several times. The nurse interprets this as:

Correct Answer is B

Explanation

A new mother is changing the diaper of her 12-hour-old newborn and asks why the stool is black and sticky. Which response by the nurse would be most appropriate?

Correct Answer is A

Explanation

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The nurse encourages the mother of a healthy newborn to put the newborn to the breast immediately after birth for which reason?