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Complete the following sentence by using the list of options

There are two main hormones that have a significant role in lactation.

is responsible for the stimulation of breastmilk production and triggers the let-down reflex.
Answer and Explanation

The Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C"}

Prolactin: This hormone, released by the anterior pituitary gland, stimulates the alveolar cells in the mammary glands to produce breast milk. Prolactin levels increase significantly after birth in response to the infant's suckling.

Oxytocin: Released by the posterior pituitary gland, oxytocin triggers the contraction of the myoepithelial cells surrounding the alveoli, causing milk to be ejected from the ducts, a process known as the let-down reflex.


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Related Questions

Correct Answer is C

Explanation

A. BAT does not primarily act as insulation but as a heat source.

B. BAT is unrelated to protection from birth injuries.

C. Brown adipose tissue (BAT) is metabolized to generate heat through non-shivering thermogenesis, which is critical for newborns as they cannot shiver effectively.

D. While BAT does provide some energy, its main purpose is heat production, not calorie storage.

Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"A"}

Explanation

Respiratory Status: The newborn is exhibiting signs of respiratory distress, including a respiratory rate of 100/min, grunting, nasal flaring, and substernal retractions. These findings indicate compromised respiratory function, which requires immediate attention to prevent hypoxemia or respiratory failure. The diffuse radiopaque areas on the chest x-ray suggest a condition like transient tachypnea of the newborn (TTN) or respiratory distress syndrome (RDS), common in low-birth-weight infants.

Temperature: After stabilizing the respiratory status, addressing the newborn’s temperature is important. The temperature of 36.3°C (97.3°F) indicates mild hypothermia, which can further compromise respiratory function and glucose metabolism if not corrected. Warming the infant with skin-to-skin contact or using a radiant warmer is necessary to maintain thermoregulation.

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