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Details

OB exam 1
Notes from lecture/book
169
Nursing
Undergraduate 4
05/26/2012

Additional Nursing Flashcards

 


 

Cards

Term
Implantation occurs how many days after conception?
Definition
about 10 days
Term
What is needed to maintain the decidua?
Definition
continuous hormonal support
Term
What is the decidua?
Definition
after conception, the endometrium thickens, and nourishes the environment and becomes the decidua
Term
If the pt is deficient in progesterone and becomes prego, what can happen? how do we prevent this from happening?
Definition

She may have a miscarriage.

Progesterone injection or suppository may be needed to maintain a healthy fetus

Term
Where is the best location for the egg to attach in the uterus?
Definition
upper corner of the uterus
Term
Why is the upper corner of the uterus the best location for implantation?
Definition

richly supplied with blood (good for gas exchange, nutrition, waste elimination)

thicker (preventing the placenta from attaching too deep into the uterine muscle and facilitating easy expulsion)

limits blood loss after birth (d/t strong interlacing muscle fibers)

Term
When can you hear the baby's heart tones for the first time?
Definition
about week 10
Term
What hormone is sectreted by the fetus to signal the woman's body that conception has begun?
Definition
HCG
Term
By what gestational age are the organs primarily formed ?
Definition
8 weeks
Term
What in particalar can be affected if the mom does not have adequate nutrition?
Definition
brain development
Term
It is important for a pregnant diabetic to take what vitamin in particular?
Definition
folic acid
Term
Increasing your intake of folic acid can help prevent what in the baby?
Definition
neural tube defects
Term
If your prego pt loves to get into the hot tub, what would you advise is the max amount of time they should be in it and at what temp?
Definition

no longer than 20 minutes

<104F

can cause spontaneous aborton

CNS depression

failure of the closure of the neural tube

Term
What is a common cause of IUGR (intrauterine growth retardation) ?
Definition
HTN
Term
When does the placenta start to form and when is it complete?
Definition
Begins in third week and is complete at week 11
Term
What is supporting the fetus before the placenta is formed?
Definition
corpus luteum
Term
What is the function of hCG?
Definition
causes corpus luteum to secrete more estrogen and progesterone
Term
Is amnionic fluid more alkaline or acidic? Why is this important to know?
Definition
Alkaline: important to determine if water broke or if it is just urine or even a yeast infx
Term
What does L/S determine?
Definition
lung function
Term
What are the primary functions of the amnionic fluid and membranes?
Definition

protect against mechanical injury

contol embryo's temp

prevent adherence of the amnion to the fetus

reduces compression of umbilical cord

Term
What are complications of having too little amnionic fluid?
Definition

the amnion can attatch and cause adhesions to form on the fetus

if not enough fluid is in the lungs, then they can stick together and the baby can not breathe

Term
To do fluid analysis the L/S is looked at to check for down sydrome and neural tube defects. In what trimester can this be done?
Definition
second trimester typically, but can also be done in the third trimester
Term
How does the fetus contribute to the amnionic volume?
Definition
by urinating
Term
The fetus swallows up to much fluid in one day?
Definition
600 mls
Term
After 20 weeks, the AF ranges from?
Definition
700-1000 mls
Term
How many mls is considered oidohydramnios at term?
Definition
<400 mls
Term
what would cause oligohydramnios? (4)
Definition

HTN

ruptured membranes

decrease renal development

postdate

Term
What are some complications of oligohydramnios? (3)
Definition

skeletal anomalies

poor lung development

cord compression

Term
how much fluid is considered for hydramnios?
Definition
>2,000 mls
Term
If a pt has hydramnios , how might mom be feeling?
Definition
she may have trouble breathing d/t the added pressure on the diaphragm
Term
What are some associated causes for hydramnios? (4)
Definition

uncontolled maternal antibodies

CNS anomalies

GI tract anomalies

multifetal

Term
How does diabetes contribute to hydramnios?
Definition
The mom pees a lot and so does baby
Term
How does CNS anomalies tie into hydramnios?
Definition
neural tube defects; CNS gets irritated and baby pees more
Term
If the baby only has two vessels, tests will be done by?
Definition
cardiac and kidney tests
Term
If the insidde of the umbilical cord is stringy, what would you suspect?
Definition
malnutrition
Term
What organs are typically enlarged due to increased blood flow?
Definition

head

neck

brain

heart

this evens out eventually

Term
When do you start measuring moms belly?
Definition
at 20 weeks to make sure it's meeting gestational age
Term
during the first trimester, growth of the uterus is primarily d/t?
Definition
hyperplasia resulting from stimulation by estrogen and growth factors
Term
During the second and third trimesters, what is responsible for the uterine growth?
Definition
from hyperplasia and hypertrophy as muscle fibers stretch in all directions to accomodate the growing fetus
Term
After conception, estrogen increases and the cervix gets congested with blood that extends into the labia and and vagina. Because of this, what color would the vagina be and what is this referred as?
Definition

blueish-purple

Chadwick's sign (one of the earliest signs of pregnancy)

Term
After conception the cervix feels like an earlobe or lips. this softening is referred to as?
Definition
Goodell's sign
Term
D/t HCG, what are primary symptoms during the first trimester of pregnancy?
Definition

n/v

lower ab cramping

Term
Your pt who is in her first trimester comes in and says that after having sex there was some bleeding...you know that she was bleeding d/t?
Definition
the hyperplasia of her cervix, meaning that it is highly vascular and may bleed when penetrated
Term
In the second trimester, it is common for women to develop a physiologic anemia. This is not a true anemia, rather as a result of ....?
Definition

the dilution of the RBC, not the actual # of cells

Causes a slight decrease in hematocrit

 

>plasma volume (50%) and erythrocytes (30%)

Term
If mom gets this pseudo-anemia and her Hgb falls below 10, then what may she be given?
Definition
iron
Term
during pregnancy, O2 consumption increases by what percentage?
Definition
15-20%
Term
Is it normal for the prego pt to have bloody noses and congestion? what would you suggest she do at home, especially in this climate?
Definition

Yes, it is normal unless lasting for more than 5 minutes

 

Recommend a humidifier

Term
As the uterus increases in size, it also interferes with blood return from lower extremities. What may this cause ?
Definition
This may cause peeling edema in legs
Term
Edema is never normal where on the body?
Definition
Arms, hands, and face
Term
Would you expect the prego pt to have an increased BP?
Definition
BP should not elevate at all
Term

Factoid

Clotting factors increase d/t the increase in estrogen and blood volume

 

INCREASE RISK FOR BLOOD CLOTS

Definition
Term
If your pt is at 12 weeks, where should her uterus be?
Definition
just above the suprapubic
Term
How do you measure gestation?
Definition
measure from suprapubic bone. in cm
Term
How many cm a week should she grow?
Definition
one cm a week
Term
Fetal heart rate should be heard between what gestational weeks?
Definition
10-12 weeks
Term
Why do women get constipation?
Definition

peristalsis slows down

iron supplements

weight of uterus pressing on bowels

Term
If your pt has a BMI of 30, how much weight is acceptable to gain?
Definition
11-20 pounds
Term
If your pt has a BMI of 18.5-24.9 how much weight is acceptable to gain?
Definition
25-35 pounds
Term
Your pt is underweight, how much weight should she gain during the course of her pregnancy?
Definition
28-40 pounds
Term
What is the rule of thumb about weight gain after 20 weeks?
Definition
one pound per week
Term
What are subjective signs of pregnancy?
Definition

nauseas

no period

cramps

breast tenderness

my stomach hurts

Term
what is an objective or probable sign of prego?
Definition
chadwick's sign (blueish cervix)
Term
what are diagnostic or positive signs of prego?
Definition

You can see the baby via ultrasound

hear heart tones

Term
Gravida
Definition
# of pregnancies (including current)
Term
Para
Definition

birth after 20 weeks

whether alive or dead

Term

TPAL

 

 

Definition

T: term (# born 37 or >)

P: preterm (# born b/t 20-36)

A: abortion (# of pregnancies ending before 20 weeks)

L: living (# of current living children)

Term

1st trimester

2nd trimester

3rd trimester

Definition

conception - 12 weeks

 

13-25 weeks

 

26-37 weeks (40)

 

normal pregnancy is 37-42 weeks

Term
Nageles Rule
Definition

First day of LMP

subtract 3 months and add 7 days

Term
why may the McDonald method of determining gestational age be skewed?
Definition

if pt is:

overweight

fibroids or benign tumors

decrease/increase on amniotic fluid

fetal growth: DM tend to have bigger babies

Term
When would mama feel quickening or fluttering (fetal movement)?
Definition
18-20 weeks
Term
warning signs in pregnancy
Definition

elevated v/s such as temp and heart rate

Bleeding

leaking of fluid

urine screen

edema/hyperactive DTR

signs of infx

HA/vision changes

contractions

Term
What can be signs of preeclampsia?
Definition

protein in urine

HA/vision changes

Hyper responsive DTR

Term

Factoid

During the later 1/2 of the pregnancy, the fetal lungs produce fluid

Definition
Term
what purpose does the fluid have in the fetal lung?
Definition
fluid expands the lungs, filling the air spaces
Term
When does the production of lung fluid diminish?
Definition
diminishes at term before labor begins
Term
How many milliliters remains in the passaggeway of a full term newborn?
Definition
80-100mL
Term
Differentiate b/t the amount of fluid in the baby delivered vaginally versus cesarean
Definition

vaginal delivery: mechanical stimuli when the fetal chest is compressed and squeezes out fluid

cesarean: more excess fluid in lungs d/t lack of compression, need to bulb out extra fluid

Term
Because the production of lung fluid diminishes in term babies, what does this mean for the preterm baby?
Definition
Preterm is already at risk for lung undevelopment and now also has more fluid in lungs
Term
The first breath is the ?
Definition
inspiratory gasp
Term
What triggers the first breath?
Definition

Increase in PCO2 and decrease in pH and PO2

 

&

 

colder temperature

Term
The cold stimulates what on the skin?
Definition
nerve endings
Term
Excessive cooling can lead to baby having a cold stress... what does that mean?
Definition
baby could go into respiratory distress
Term
How does newborn compensate for being cold?
Definition

increase respirations/heart rate

nonshivering thermogenesis

can lead to respiratory distress syndrome

Term
If newborn starts using their brown fat to compensate for being cold, what are we ultimately concerned will happen?
Definition

hypoglycemia

&

hypoxemia

Term

Wet with amniotic fluid

(methods of heat loss)

Definition
evaporation
Term
direct contact with cold stethoscope
Definition
conduction
Term
transfer of heat to cool air
Definition
convection
Term
transfer of heat to cooler objects
Definition
radiation
Term
What types of newborns in particular do we want to check for hyperbilrubinemia?
Definition

vacuum used (blue faced and petichiae all over face)

RH-

ABO incompatibility (momtype O)

 

NEED to increase feedings and go under bili-light

Term
Treatment for hyperbilirubinemia?
Definition

increase feedings to promote bowel elimination

feed every 3 hours

make sure they are stooling

phototherapy

Term
Preterm babies are prone to sepsis, what do we check because bacteria loves sugar?
Definition

glucose

these babies tend to be hypogylcemic with an unstable temperature

may go into respiratory distress and have abnormal breath sounds

Term
Newborns begin to secrete IgA when and where?
Definition
intestinal mucosa at 4 weeks
Term
Passive acquired immunity occurs during what trimester and lasts how long?
Definition
third trimester and lasts 4 weeks
Term
To help with the involution process, what can mom do?
Definition

breastfeed

&

early ambulation

Term
The uterus is at the level of the umbilicus within 6-12 hours after child birth. It should decrease how many finger breadths per day?
Definition
one finger breadth per day
Term
Your pt had twins and her fundus is decreasing less than one finger breadth per day. is this normal?
Definition
yes, also normal is she had a macrsomic baby
Term
what is sometimes the common cause of a boggy uterus?
Definition
full bladder
Term

Lochia changes:

Bright red at birth

Rubra-dark red

Serosa-pink

Alba-white

Definition

Rubra-2 to 3 days

serosa-3-10 days

alba-1 to 2 weeks

Term

Note amounts of lochia on pad:

scant

light

moderate

heavy

excessive

Definition

scant: 1"

light: 1-4"

moderate: 4-6"

heavy: saturated in 1 hour

excessive: saturated in 15 minutes

Term
When would we weigh our mom's after child birth?
Definition
if she has a hemorrhage
Term
If pt is a gravida 5, will she have more postpartum pain than a pt who is a gravida 1?
Definition

yes, she will have more pain

uterine overdistension

Term
Does breastfeeding cause cramping?
Definition
Yes , it does. It releases oxytocin which will make her cramp. Offer prn pain meds. Common prn pain meds are ibuprofen and motrin
Term
Are pain meds contraindicated with breastfeeding moms?
Definition
nope, not contraindicated
Term
Is it common for mom to have a temperature 24 hours after birth?
Definition

yes it is

100.4

epidural can cause this as well

pushing

dehydration

Term
Check moms v/s how often after baby is born?
Definition
every 15 minutes for the first hour
Term
what s/s would mom have that may indicate that she is hemorrhaging?
Definition

tachycardia

&

low blood pressure

Term
C/O stabilizes approximately how long pp?
Definition
one hour
Term
We want to know mom's baseline H&H at admission and reassess 24 hours after birth. A decrease of what percentage of h&h could mean hemorrhage?
Definition
10%
Term
After moms give birth, we need to measure the first void. If it's very little then she may be retaining urine
Definition
Term
Why may the pp pt have diuresis?
Definition

body is trying to rid of excess fluid

may lead to filling of the bladder

decrease in oxytocin may cause this as well

Term
You can still get prego while breastfeeding!!
Definition
Term
How  long on average until menstrual cycle returns for the non-breastfeeding mother?
Definition
6-10 weeks
Term
What percentage of pt's don't ovulate in their first cycle?
Definition
50%
Term
ovulation returns in how many months on average?
Definition
6 months
Term
Does hypervolemia or hypovolemia occur after birth as a protective measure?
Definition
hypervolemia
Term
For the cesarean pt, encourage them to turn, cough, and deep breath how often while awake?
Definition

2 hours

(I.S.)

Term
Measure first void after foley is removed
Definition
Term
Your cesarean pt has no bowel sounds... what as an RN will you do?
Definition

More than likely the pt will be NPO

an ileus can form

Start with h2o

Term
Ice chips are great because it's less fluid amount, but what may ice chips, straws and gum chewing cause?
Definition
gas
Term
If your pt has gas accumulation, what position might help them?
Definition
lay on left side, promotes gas to rise from ascending colon
Term
If they have HTN, what assessment may you do pp?
Definition
DTR on lower extremities
Term
Avoid taking Torodal with what other drug?
Definition

avoid with motrin

both in nsaid category

Term
Duramorph
Definition

for c section pt

lasts for 24 hours

Term
what would you assess before giving medications?
Definition
v/s and fundus/lochia
Term
If pt has just received rubella vaccine, how long should they wait before getting pregnant?
Definition
3 months
Term
If H&H has dropped, whats a common PP med that is given and you wouldn't want to take it with calcium?
Definition
iron sulfate
Term
When would Rhogam need to be delivered in baby is Rh- and mom is postive?
Definition
Within 72 hours after delivery
Term
what is a common side effect of the rubella vaccine?
Definition
slight fever
Term
You notice your PP pt is crying, what would you advise her to do?
Definition
Call her doc if it persists for more than 10-14 days
Term
Early PP hemorrhage usually occurs in the first 24 hours and is commonly associated with what?
Definition
uterine atony
Term
Why would a late PP hemorrhage occur?
Definition
usually retained placenta
Term
Predisposing factors for PP hemorrhage?
Definition

Overdistention

multiparity

rapid or prolonged labor

oxytocin induction of labor

C section

rupture of membrane (<24 hours, predisposes to infx)

Term
Why would a pt not get Methergine?
Definition
if they have HTN
Term
Cytotec
Definition

for PP hemorrhage

placed in rectum versus vagina d/t bleeding

Do not put gel on finger, use blood

Term
What are common se of Hemabate that's used for pp hemorrhage (can throw it in during surgery)
Definition
severe n/v/d
Term
what are signs of shock to look for?
Definition

tachycardia

cool and clammy

decrease BP

decreased level of consciousness

Term
What postition would you put the hemorrhaging pt in?
Definition

modified trendelenberg

(brain needs blood)

Term

Puerperal infection: aka postpartum infx

Puerperal morbidity- temperature being?

Definition
100.4 occuring any 2 of the 1st 10 days
Term
what are risk factors for endometritis?
Definition

c section

prolonged labor

ROM> 24 hours

GBS/STDs

OB trauma

preexisting infx

DM, compromised immune status

Term
Assess for what s/s in uterine infx?
Definition

fever

chills

foul odor to lochia

lethargy

ABDOMINAL PAIN with TENDERNESS

Term
What labs would be assessed for a pt suspected with endometritis?
Definition

CBC

 

may need antibiotics

Term
what nursing management would be done for a pt with endometritis?
Definition

Fowler's to drain infx

V/S

Ab assessment

comfort measures such as pain meds

Term
Postpartum mastitis: what can cause this?
Definition

Staph/Strep

caused by engorgement of milk stasis

 

Term
what is the best way to prevent mastitis?
Definition
breastfeed, drain the breasts
Term
what are mastitis assessment risk factors?
Definition

cracked nipples

poor hygiene

engorgement

supplemental feedings

change in routine feeding patterns

Term
your pt is on antibiotics for mastitis, when can they breastfeed?
Definition
After 24 hours
Term
For a mom with mastitis and not breast feeding what would you recommend she do to dry up milk?
Definition
ice packs every 4 hours and good support bra
Term
when the conceptus is a solid ball of 12 to 16 cells, it is called?
Definition
morula (resembles a mulberry)
Term
The outer cells of the morula secrete fluid, forming a _?
Definition
blastocyst
Term
when does the blastocyst enter the uterus?
Definition
when it contains approx 100 cells
Term
the decidua is in what phase of the reproductive cycle?
Definition
secretory
Term
Before the placenta is formed, how is the nutrients given to the baby?
Definition
diffusion, because the circulatory system is not yet established
Term
Besides providing nourishment to the fetus, the decidua may protect the mother from what?
Definition
fetal placental tissue from invading into the uterine wall
Term
Exchange of substances b/t the mother and fetus occurs where?
Definition
intervillous spaces of the placenta
Term
In what two ways does the amniotc fluid protect the fetus?
Definition

cushions

&

maintains a stable temperature

Term
amniotic fluid promotes normal prenatal development what three ways?
Definition

1. allowing symmetric development as the major body surfaces fold toward the midline

2. preventing the membranes from adhering to developing fetal parts

3. allowing room and buoyancy for fetal movement

Term
amniotic fluid is derived from what two sources?
Definition

1. fetal urine

2. fluid transported from the maternal blood across the amnion

Term
The fetus swallows amniotic fluid and absorbs it where?
Definition
digestive tract
Term
According to the txtbook, what are some causes of oligohydramniosis?
Definition

1. poor placental bf

2. preterm membrane rupture

3. failure of fetal kidney development

4. blocked urinary excretion

Term
Uterine involution depends of three processes:
Definition

1. contraction of muscle fibers

2. catabolism

3.regeneration of uterine epithelium

Term
Whe the epithelial lining is regenerating, what is the role of the basal layer?
Definition
remains intact to provide the new source of endometrium
Term
Usually the fundus has descended into the pelvic cavity and cannot be palpated by what day?
Definition
14
Term
What position can a nurse recommend for a pt experiencing afterpain?
Definition
lying in prone position wth pillow under abdomen or folded blanket keeps the uterus contracted and pain at bay
Term
The body rids itself of plasma volume by diuresis and diaphoresis. Explain what causes the diaphoresis.
Definition

-decline in aldosterone, which is increased during pregnancy d/t the sodium wasting effects of progesterone

-decrease in oxytocin, which promotes reabsorption of fluid

 

A urinary output of 3000 ml/day is normal

Term
The WBC can reach as high as _ during labor and immediate PP. the average increase in _to_
Definition

30,000

average increase: 14,000-16,000

Term
When should breath sounds be auscultated?
Definition

if the pt had a c-section

receiving MgSO4

smoker

Hx of frequent URI, or asthma

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