The Physiology of Lactation Quiz

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Questions and Answers

What is the primary hormone responsible for milk production?

  • Prolactin (correct)
  • Oxytocin
  • Estrogen
  • Progesterone

What triggers the onset of milk production (Lactogenesis II)?

  • High levels of progesterone
  • Expulsion of placenta and membranes (correct)
  • Increased levels of estrogen
  • Elevated levels of prolactin inhibiting factor (PIF)

What primarily regulates the volume of milk produced?

  • Prolactin
  • Estrogen
  • Removal of milk (correct)
  • Oxytocin

What can stimulate milk production in mothers?

<p>Skin-to-skin contact and regular hand expression (A)</p> Signup and view all the answers

What may delay Lactogenesis II in some mothers?

<p>Type 1 diabetes or retained products (A)</p> Signup and view all the answers

What triggers the release of prolactin?

<p>Stimulation by the hypothalamus (C)</p> Signup and view all the answers

What hormone primarily regulates lactation?

<p>Prolactin and oxytocin (C)</p> Signup and view all the answers

What triggers the onset of Lactogenesis II?

<p>Expulsion of placenta and membranes (B)</p> Signup and view all the answers

What can stimulate milk production in mothers?

<p>Skin-to-skin contact and regular hand expression (D)</p> Signup and view all the answers

What may delay Lactogenesis II in some mothers?

<p>Type 1 diabetes (B)</p> Signup and view all the answers

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Study Notes

Hormones and Milk Production

  • Prolactin is the primary hormone responsible for milk production.

Lactogenesis II

  • The hormone prolactin triggers the onset of milk production (Lactogenesis II).
  • The suckling of the baby by the mother triggers the release of prolactin, which in turn triggers Lactogenesis II.

Regulation of Milk Production

  • Prolactin primarily regulates the volume of milk produced.

Stimulating Milk Production

  • Frequent and effective suckling by the baby can stimulate milk production in mothers.
  • Skin-to-skin contact between the mother and baby can also stimulate milk production.

Delaying Lactogenesis II

  • Stress, anxiety, and pain can delay Lactogenesis II in some mothers.
  • A caesarean section or other complications during childbirth can also delay Lactogenesis II.

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