MATERNITY AND PEDIATRIC NURSING
Placenta - CORRECT ANSWER-Begins to form at implantation.
Maternal-placental-embryonic circulation is in place by day 17,
Embryonic heart starts beating.
By the end of the third week, embryonic blood is circulating between the embryo and
the chorionic villi.
Placenta waste products - CORRECT ANSWER-Waste products and carbon dioxide
diffuse into the maternal blood.
Placenta Function - CORRECT ANSWER-Functions as a means of metabolic
exchange:
Respiration
Nutrition
Excretion
Storage
Produces four hormones necessary to maintain the pregnancy and support the embryo
and fetus.
Hormones aproduced ain athe aPlacenta a- aCORRECT aANSWER-Human achorionic
agonadotropin a(hCG)
Human achorionic asomatomammotropin a(hCS) aor ahuman aplacental alactogen a(hPL)
Progesterone
Estrogen
human achorionic agonadotropin a(hCG) a- aCORRECT aANSWER-produced aby athe
aplacenta asustains apregnancy aby astimulating athe aovaries ato aproduce aestrogen aand
aprogesterone
Can abe adetected a8-10 adays aafter aconception.
Used aby apregnancy atest.
,Human achorionic asomatomammotropin a(hCS) aor ahuman aplacental alactogen a(hPL) a-
aCORRECT aANSWER-Similar ato athe agrowth ahormone.
Stimulates amaternal ametabolism ato asupply aneeded anutrients afor afetal agrowth.
Increases aresistance ato ainsulin,
Facilitates aglucose atransport aacross athe aplacental amembrane
Stimulates amaternal abreast adevelopment ato aprepare afor alactation.
Placenta aRespiration a- aCORRECT aANSWER-Oxygen adiffuses afrom athe amaternal
ablood aacross athe aplacental amembrane ainto athe afetal
blood, aand acarbon adioxide adiffuses ain athe aopposite adirection.
Placenta aNutrition a- aCORRECT aANSWER-Water, ainorganic asalts, acarbohydrates,
aproteins, afats, aand avitamins apass
maternal ablood ainto aplacental amembrane ainto athe afetal ablood,
Placenta aExcretion a- aCORRECT aANSWER-Metabolic awaste aproducts aof athe afetus
ato aplacental amembrane ato athe amaternal ablood.
The amaternal akidneys athen aexcrete athem.
Placenta aStorage a- aCORRECT aANSWER-Stores aproteins, acalcium, aand airon afor
afetal aneeds.
Presumptive asigns aof apregnancy a- aCORRECT aANSWER-subjective achanges afelt
aby athe awomen
Examples
Amenorrhea a(absence aof aperiod), afatigue, abreast achanges.
Probable asigns aof apregnancy a- aCORRECT aANSWER-examiner asuspects aa awomen
ais apregnant. asuch aas;
abdominal aenlargement,
hegar's asign
chadwick's asign
goodell's asign
ballottement,
, braxton ahicks
positive apregnancy atest,
fetal aoutline afelt aby aexaminer.
Hegar's aSign a- aCORRECT aANSWER-softening aand acompressibility aof alower auterus
Chadwick's aSign a- aCORRECT aANSWER-Bluish apurple adiscoloration aof athe acervix,
avagina, aand alabia aduring apregnancy aas aa aresult aof aincreased avascular
acongestion.
Goodell's aSign a- aCORRECT aANSWER-softening aof acervical atip
Braxton aHicks a- aCORRECT aANSWER-Painless, airregular acontractions athat aare
ausually arelieved awith awalking
Positive asigns aof apregnancy a- aCORRECT aANSWER-Signs aattributed aonly ato athe
apresence aof athe afetus:
hearing afetal aheart atones,
avisualizing athe afetus,
apalpating afetal amovements
Ballottement a- aCORRECT aANSWER-a apalpation atechnique aused ain adetecting aor
aexamining aa afloating aobject ain athe abody
Estimated aDue aDate a(EDD) a- aCORRECT aANSWER-best aestimation aof awhen afull
aterm ainfant awill abe aborn.
Nägele's arule: aDetermine afirst aday aof aLast amenstrual aperiod a(LMP), asubtract a3
amonths, aadd a7 adays aand a1 ayear.
GTPAL a- aCORRECT aANSWER-Gravida,
Term,
aPreterm,
aAbortions,
aLiving
Gravida a- aCORRECT aANSWER-pregnant
Gravidity a- aCORRECT aANSWER-pregnancy
Multigravida a- aCORRECT aANSWER-woman awho ahas abeen apregnant amore athan aonce
Multipara a- aCORRECT aANSWER-A awoman awho ahas acompleted atwo aor amore
apregnancies ato a20 aweeks aof