ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
What effect does the initial change in stroke volume and cardiac output have on
maternal vital signs?
decreased HR, mean arterial BP remains the same
In the postpartum period, within how many hours does the blood pressure
typically return to pre-pregnant levels?
24 hours
The most common causes for maternal postpartum mortality are:
-venous thromboembolism
-sepsis
-postpartum hemorrhage
In the first hour postpartum, which normal physiologic cardiovascular changes
help to maintain hemodynamic stability?
Increased stroke volume and Increased cardiac output
Which factors contribute to maternal cardiovascular instability during the
immediate postpartum period?
-Loss of blood
-Increased stroke volume
-increased cardiac output
-autotransfusion
How is cardiac output increased?
, secondary to the increased flow of blood back to the heart from the loss of the
uteroplacental circulation, decreased pressure from the pregnant uterus, and
mobilization of extracellular fluid
Positive physical and emotional contact with the infant results in the release of
which maternal hormones?
Correct!
prolactin and oxytocin
Which part of breast anatomy is the basic functional milk-making unit?
alveolus
What triggers lactogenesis II?
The rapid drop in progesterone levels following the delivery of the placenta and
increased prolactin levels
What other hormones trigger lactogeneis II?
insulin and cortisol
In which trimester does lactogenesis I start?
2nd
When does lactogenesis begin to depend on infant suckling?
Day 3-4
Which part of the pituitary gland releases oxytocin?
posterior pituitary
How does suckling influence the letdown/milk ejection reflex?
Release of oxytocin from the posterior pituitary gland, contraction of the myoepithelial
cells, transport of milk to the nipple.