Nurp 531 Exam 3 Questions and Answers
Latest Update 2024-2025
placenta function, lifespan ANS✔✔ -function: material barrier that transports
nutrients, antibodies, and O2 to the fetus while transferring waste from
fetus to mother; produces and secretes hormones
-lifespan: 34 weeks; this is why late term babies are dangerous
*protect fetus from viruses and pathogens*
function of HPL (human placental lactogen) in pregnancy ANS✔✔ -secreted
by placenta in second week of pregnancy, rises throughout pregnancy
-function: metabolism (breakdown fat, glucose re-uptake so baby gets
some, insulin resistance), prep mammary glands for lactation
function of progesterone in pregnancy ANS✔✔ -steady rise throughout
pregnancy
-function: relaxes things; allows for increased blood volume, prevents
contraction of uterus
-abrupt withdrawal at labor causing contractions
relationship of progesterone with contractions ANS✔✔ since progesterone
RELAXES things, lack of progesterone will cause contraction
form of estrogen in pregnancy ANS✔✔ estriol
, Solution 2024/2025
Pepper
function of estrogen in pregnancy ANS✔✔ -steady rise throughout
pregnancy
-promotes growth and blood flow of uterus, prepares breasts for lactation,
increases sensitivity to oxytocin to allow for labor (involved in timing)
function of relaxin in pregnancy ANS✔✔ -helps w/ implantation and growth
of placenta
-inhibits uterine contraction during pregnancy (relaxes it)
-helps facilitate birth (softens ligaments which widens pelvis)
function of oxytocin in pregnancy ANS✔✔ -promotes dilation of cervix to
facilitate labor
-prepares for breastfeeding and bonding
function of HCG in pregnancy ANS✔✔ -released by developing embryo
-increase progesterone levels
HCG expected values ANS✔✔ -should double every 48-72hrs at beginning of
pregnancy
-peak at 12 weeks
what causes N/V in pregnancy ANS✔✔ -HCG levels, prenatal vitamins
when does organogenesis occur ANS✔✔ by 10 weeks
positive HCG test: blood vs. urine ANS✔✔ -blood: 10 days after conception
, Solution 2024/2025
Pepper
-urine: 14 days after conception
when to take a urine pregnancy test ANS✔✔ *one* day after first missed
period (not earlier!! could lead to false negative)
presumptive signs of pregnancy ANS✔✔ -subjective signs that pt reports,
could be caused from something else
-*amenorrhea*, nausea, mood swings, fatigue, etc
probable signs of pregnancy ANS✔✔ -objective signs that can be noted on
exam
Chadwick's sign ANS✔✔ blue tint on cervix d/t increased blood flow
positive signs of pregnancy ANS✔✔ -definitive and unmistakeable
-pregnancy visualized by ultrasound
-audible fetal heart tones
-fetal movement felt by provider
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