The nurse is teaching the patient about breastfeeding.
The nurse knows the following: 1. The hormone responsible for the let-down reflex is:
Oxytocin.
Progesterone.
Hindmilk.
Foremilk.
The Correct Answer is A
Choice A rationale: Oxytocin is the hormone responsible for the let-down reflex during breastfeeding. It is released from the posterior pituitary gland in response to the baby’s suckling. This hormone causes the milk ducts to contract and eject milk from the alveoli into the ducts, making it available for the baby.
Choice B rationale: Progesterone plays a role in preparing the breast tissue for lactation during pregnancy, but it does not directly trigger the let-down reflex.
Choice C rationale: Hindmilk is the milk produced later in a feeding session, which is richer in fat and calories. It is not a hormone and does not cause the let-down reflex.
Choice D rationale: Foremilk is the initial milk released during breastfeeding, which is higher in water content. It is also not a hormone and does not cause the let-down reflex.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Asking if the client has considered harming her newborn is a priority to assess for potential postpartum depression or psychosis, which require immediate intervention. .
Correct Answer is []
Explanation
Condition: Neonatal Jaundice.
2 actions:
Initiate phototherapy,
Encourage frequent breastfeeding or formula feeding.
2 parameters:
Serum bilirubin levels,
Blood glucose levels.
Rationale for correct condition: Neonatal jaundice is indicated by the elevated bilirubin levels and yellow discoloration of the skin and sclera. The newborn's symptoms of lethargy, decreased muscle tone, and poor feeding are consistent with jaundice. Jaundice is common in newborns and requires prompt treatment to prevent complications like kernicterus. The total bilirubin level of 15 mg/dL is significantly elevated and needs intervention.
Rationale for actions: Initiating phototherapy helps lower bilirubin levels by breaking down bilirubin in the skin. This treatment is effective and commonly used for neonatal jaundice. Encouraging frequent breastfeeding or formula feeding promotes regular bowel movements, which help eliminate bilirubin from the body. Adequate feeding is essential to reduce jaundice severity. Administering intravenous dextrose addresses hypoglycemia but does not directly treat jaundice. Performing a lumbar puncture is unnecessary unless sepsis is suspected. Naloxone is used for opioid withdrawal, not jaundice.
Rationale for parameters: Monitoring serum bilirubin levels tracks the effectiveness of phototherapy. This parameter is crucial for assessing jaundice severity and treatment response. Blood glucose levels should be monitored due to the initial low reading, ensuring the newborn's glucose levels stabilize. Respiratory rate is normal and not directly related to jaundice. Urine output monitors hydration but is less specific to jaundice. Heart rate is stable and not a primary focus.
Rationale for incorrect conditions: Neonatal hypoglycemia focuses on low blood glucose but doesn't explain jaundice. Neonatal sepsis presents with more systemic signs like fever or abnormal reflexes. Neonatal abstinence syndrome involves withdrawal symptoms from maternal substance use, not relevant here.
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