Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
The student nurse learns that the hormone necessary for milk production is
A. Estrogen.
Estrogen. Estrogen is a hormone that plays a role in the development of the mammary glands and the ductal system during pregnancy. However, estrogen does not directly produce milk. In fact, high levels of estrogen during pregnancy inhibit milk secretion by blocking prolactin. Therefore, estrogen is not the hormone necessary for milk production. •
B. Prolactin.
Prolactin. Prolactin is the hormone responsible for the production of breast milk. Prolactin is secreted by the pituitary gland in response to suckling or nipple stimulation. Prolactin levels rise during pregnancy and peak after delivery, when the sudden drop in estrogen and progesterone allows prolactin to take over and initiate lactation. Therefore, prolactin is the hormone necessary for milk production.
C. Progesterone.
Progesterone. Progesterone is a hormone that also contributes to the development of the mammary glands and the alveoli during pregnancy. However, like estrogen, progesterone does not directly produce milk. Progesterone also inhibits milk secretion by blocking prolactin during pregnancy. Therefore, progesterone is not the hormone necessary for milk production. •
D. Lactogen.
Lactogen. Lactogen is not a hormone, but a general term for any substance that stimulates lactation. There are different types of lactogens, such as human placental lactogen (hPL), which is produced by the placenta during pregnancy and has some lactogenic effects on the mammary glands. However, hPL is not the main hormone responsible for milk production. That role belongs to prolactin. Therefore, lactogen is not the hormone necessary for milk production.
This question is an excerpt from Nurse Dive's nursing test bank - ATI Custom Maternal Newborn Proctored Exam. Take the full exam now
Full Explanation
The correct answer is choice B. Prolactin.
Choice A reason:
Estrogen. Estrogen is a hormone that plays a role in the development of the mammary glands and the ductal system during pregnancy. However, estrogen does not directly produce milk.
In fact, high levels of estrogen during pregnancy inhibit milk secretion by blocking prolactin. Therefore, estrogen is not the hormone necessary for milk production. • Choice B reason:
Prolactin. Prolactin is the hormone responsible for the production of breast milk. Prolactin is secreted by the pituitary gland in response to suckling or nipple stimulation. Prolactin levels rise during pregnancy and peak after delivery, when the sudden drop in estrogen and progesterone allows prolactin to take over and initiate lactation. Therefore, prolactin is the hormone necessary for milk production. • Choice C reason:
Progesterone. Progesterone is a hormone that also contributes to the development of the mammary glands and the alveoli during pregnancy. However, like estrogen, progesterone does not directly produce milk. Progesterone also inhibits milk secretion by blocking prolactin during pregnancy. Therefore, progesterone is not the hormone necessary for milk production. •
Choice D reason:
Lactogen. Lactogen is not a hormone, but a general term for any substance that stimulates lactation. There are different types of lactogens, such as human placental lactogen (hPL), which is produced by the placenta during pregnancy and has some lactogenic effects on the mammary glands. However, hPL is not the main hormone responsible for milk production. That role belongs to prolactin. Therefore, lactogen is not the hormone necessary for milk production.
Similar Questions
For which patient should the oxytocin (Pitocin) infusion be discontinued immediately?
A. A woman in early labor with contractions every 5 minutes lasting 40 seconds each.
The woman in early labor with contractions every 5 minutes lasting 40 seconds each does not require the immediate discontinuation of the oxytocin (Pitocin) infusion. Early labor is characterized by mild and infrequent contractions as the cervix begins to dilate and efface.
B. A woman in active labor with contractions every 30 minutes lasting 60 seconds each.
The woman in active labor with contractions every 30 minutes lasting 60 seconds each also does not warrant immediate discontinuation of the oxytocin (Pitocin) infusion. Active labor typically involves regular and stronger contractions as the cervix continues to dilate and the baby progresses downward.
C. A woman in active labor with contractions every 2 to 3 minutes lasting 70 to 80 seconds each.
The woman in active labor with contractions every 2 to 3 minutes lasting 70 to 80 seconds each does not require immediate cessation of the oxytocin (Pitocin) infusion. These contractions are within the expected range for active labor and may be considered normal.
D. A woman in transition with contractions every 1.5 minutes lasting 95 seconds each.
The woman in transition with contractions every 1.5 minutes lasting 95 seconds each should have the oxytocin (Pitocin) infusion discontinued immediately. Transition is the most intense phase of labor, characterized by rapid and strong contractions as the cervix completes dilation. Prolonged and frequent contractions during this phase can lead to uterine hyperstimulation, which can compromise fetal oxygenation and result in fetal distress. Discontinuing the oxytocin infusion is necessary to reduce the intensity and frequency of contractions, ensuring better fetal well-being during this critical phase of labor.
Full Explanation
Choice A reason:
The woman in early labor with contractions every 5 minutes lasting 40 seconds each does not require the immediate discontinuation of the oxytocin (Pitocin) infusion. Early labor is characterized by mild and infrequent contractions as the cervix begins to dilate and efface. Choice B reason:
The woman in active labor with contractions every 30 minutes lasting 60 seconds each also does not warrant immediate discontinuation of the oxytocin (Pitocin) infusion. Active labor typically involves regular and stronger contractions as the cervix continues to dilate and the baby progresses downward.
Choice C reason:
The woman in active labor with contractions every 2 to 3 minutes lasting 70 to 80 seconds each does not require immediate cessation of the oxytocin (Pitocin) infusion. These contractions are within the expected range for active labor and may be considered normal.
Choice D reason:
The woman in transition with contractions every 1.5 minutes lasting 95 seconds each should have the oxytocin (Pitocin) infusion discontinued immediately. Transition is the most intense phase of labor, characterized by rapid and strong contractions as the cervix completes dilation. Prolonged and frequent contractions during this phase can lead to uterine hyperstimulation, which can compromise fetal oxygenation and result in fetal distress. Discontinuing the oxytocin infusion is necessary to reduce the intensity and frequency of contractions, ensuring better fetal well-being during this critical phase of labor.
A woman gave birth vaginally to a 9-pound, 12-ounce girl yesterday. Her primary health care provider has written orders for perineal ice packs, use of a sitz bath tid, and a stool softener. What information is most closely correlated with these orders?
A. The woman had a vacuum-assisted birth.
The woman having a vacuum-assisted birth is not the most closely correlated information with the orders for perineal ice packs, sitz bath use, and a stool softener. Vacuum-assisted birth involves using a vacuum device to assist with the delivery, and it may lead to perineal trauma, but it does not specifically indicate the need for the mentioned interventions.
B. The woman is a gravida 2, para 2.
The woman being a gravida 2 (pregnant for the second time) and para 2 (having given birth to two babies) is not directly correlated with the prescribed interventions. This information does not provide specific insights into the postpartum care she requires.
C. The woman has an episiotomy.
The woman having an episiotomy is the most closely correlated information with the prescribed orders for perineal ice packs, sitz bath use, and a stool softener. An episiotomy is a surgical incision made in the perineum (area between the vagina and anus) during childbirth to facilitate a faster and controlled delivery. The incision site can be painful and require special care postpartum, hence the use of ice packs, sitz baths (sitting in warm water to relieve discomfort), and stool softeners to reduce strain during bowel movements and minimize pain in the perineal area.
D. The woman received epidural anesthesia.
The woman receiving epidural anesthesia is not directly correlated with the prescribed interventions. Epidural anesthesia is commonly used during childbirth to manage pain, but it does not specifically indicate the need for the mentioned postpartum care.
Full Explanation
A. The woman had a vacuum-assisted birth. While vacuum-assisted births can cause perineal trauma, the specific orders for ice packs, sitz baths, and stool softeners are more directly related to an episiotomy, which involves a surgical incision that requires careful postpartum care.
B. The woman is a gravida 2, para 2. This information indicates the woman's obstetric history but does not directly correlate with the need for perineal ice packs, sitz baths, and stool softeners. These orders are more specific to perineal trauma or surgical intervention.
C. The woman has an episiotomy. An episiotomy involves a surgical cut made at the opening of the vagina during childbirth, which can cause significant perineal pain and swelling. The orders for perineal ice packs, sitz baths, and stool softeners are intended to manage pain, reduce swelling, and prevent constipation, which can be particularly uncomfortable with perineal stitches.
D. The woman received epidural anesthesia. While epidural anesthesia is a common pain management technique during labor, it does not necessitate the use of perineal ice packs, sitz baths, or stool softeners postpartum. These orders are more indicative of perineal trauma or surgical intervention such as an episiotomy.
A nurse receives handoff report. Which newborn should the nurse assess first?
A. Glucose reading 58 mg/dL.
While hypoglycemia (glucose <45 mg/dL) is concerning, 58 mg/dL is within acceptable ranges for many institutions, especially in asymptomatic newborns. Monitoring is required, but it is less urgent than respiratory distress.
B. Pulse 144 beats/minute.
Respiratory rate of 78 breaths per minute is also within the normal range for a newborn, which typically ranges from 30 to 60 breaths per minute. Though respiratory rate is essential to assess, it does not take priority over other critical issues.
C. Respiratory rate 78 breaths/minute.
Newborns typically have a normal respiratory rate of 30-60 breaths/minute. A rate of 78 indicates significant tachypnea, which could signal respiratory distress (e.g., transient tachypnea of the newborn, infection, or respiratory distress syndrome). Rapid breathing can lead to fatigue, hypoxia, or respiratory failure if not promptly addressed.
D. Temperature 97.7° F (36.5° C).
A glucose reading of 58 mg/dL is concerning in a newborn. Hypoglycemia (low blood glucose) can lead to serious complications if not promptly addressed. Newborns are particularly susceptible to hypoglycemia, and it requires immediate assessment and intervention.
Full Explanation
Choice A reason:
While hypoglycemia (glucose <45 mg/dL) is concerning, 58 mg/dL is within acceptable ranges for many institutions, especially in asymptomatic newborns. Monitoring is required, but it is less urgent than respiratory distress.
Choice B reason:
Respiratory rate of 78 breaths per minute is also within the normal range for a newborn, which typically ranges from 30 to 60 breaths per minute. Though respiratory rate is essential to assess, it does not take priority over other critical issues.
Choice C reason:
Newborns typically have a normal respiratory rate of 30-60 breaths/minute. A rate of 78 indicates significant tachypnea, which could signal respiratory distress (e.g., transient tachypnea of the newborn, infection, or respiratory distress syndrome). Rapid breathing can lead to fatigue, hypoxia, or respiratory failure if not promptly addressed.
Choice D reason:
A glucose reading of 58 mg/dL is concerning in a newborn. Hypoglycemia (low blood glucose) can lead to serious complications if not promptly addressed. Newborns are particularly susceptible to hypoglycemia, and it requires immediate assessment and intervention.