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Question 1

How does the suckling reflex aid in oxytocin release and what does oxytocin do in breastfeeding?

Answer 1

The suckling reflex stimulates sensory neurons in the breast which sitmulates the secretion of oxytocin.

Oxytocin stimulate myoepithelial contraction which aids in milk ejection

Question 2

What is the reflex of oxytocin aiding milk ejection called?

Answer 2

Milk let down reflex

or

Milk ejection reflex

Question 3

What does prolactin do in relation to LH and FSH?

Answer 3

Inhibits LH and FSH production leading to lactational amenorrhea

Question 4

Where are osmoreceptors for ADH regulation located?

Answer 4

In the SON and PVN in the anterior hypothalamus

Question 5

What happens to ADH secretion when the ECF becomes hypertonic?

Answer 5

Cells shrink and ADH secretion increases

You can remember cell shrinking bc they empty ADH (secreting it)

Question 6

What happens to ADH secretion when the ECF becomes hypotonic?

Answer 6

Cells swell and ADH secretion decreases

You can remember cell swelling bc they fill up with ADH Not secreting it