NUR 335 Exam 1 Study Questions and Correct Answers
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Course
NUR 335
Institution
NUR 335
What is the placenta? "Pancake" - It is the tissue attached to the uterine wall that nourishes the fetus through the umbilical cord.
What does the umbilical cord consist of? 2 arteries and one vein
What is the amniotic membrane? -Underneath the chorionic membrane -This membrane has no nerve suppl...
NUR 335 Exam 1 Study Questions and
Correct Answers
What is the placenta? ✅"Pancake" - It is the tissue attached to the uterine wall that
nourishes the fetus through the umbilical cord.
What does the umbilical cord consist of? ✅2 arteries and one vein
What is the amniotic membrane? ✅-Underneath the chorionic membrane
-This membrane has no nerve supply, so when it ruptures the mother nor fetus feel any
pain
-Produces amniotic fluid
Describe the amniotic fluid ✅The liquid surrounding the fetus in utero. It absorbs
shocks, permits fetal movement, and prevents heat loss.
Fetus swallow fluid
Fluid flows into and out of the fetal lungs
Fetus urinates (adds to amniotic volume)
What is hydramnios? ✅Excessive amniotic fluid (>2000mL fluid or >8oz fluid pocket on
US) that occurs when fetus is not swallowing the fluid.
Why can hydramnios occur in women with gestational diabetes? ✅Hyperglycemia can
cause excessive fluid shifts into the amniotic space
What is oligohydramnios? ✅Too little amniotic fluid (<300mL or <1cm fluid pocket on
US)
-Caused by impaired fetal kidney fxn
What is the normal FHR? ✅110-160 bpm
What is surfactant and what does it do? ✅A phospholipid substance that is formed and
excreted by fetal lungs.
-Prevents lungs from sticking together
Describe Naegele's Rule for estimated due date: ✅1st day of LMP - 3 months + 7 days
(EX: if LMP was May 14, subtract 3 months = February 14 + 7 days = February 21)
[estimated due date is +/- 2 weeks)
, Calculate Naegele's Rule for a client whose first day of their LMP was May 15.
✅February 22
Describe McDonald's Rule ✅Measuring the fundus in cm to determine fetal growth (ex.
16 weeks pregnant= 16 cm (+/- 2))
Where is the fundal measurements (top of the uterus) at the following weeks:
12 weeks
20 weeks
36 weeks ✅12 weeks- over the symphysis pubis
20 weeks- at the umbilicus
36 weeks- At the xyphoid process
What can a large fundal measurement mean? ✅Multiple pregnancy, hydramnios or
LGA (large-for-gestational-age) infant
What can a smaller fundal measurement mean? ✅Fetus is failing to thrive, intrauterine
growth restriction
True or False: McDonald's rule is inaccurate during the third trimester ✅True (fetus is
growing more in weight than height at this point)
What is the typical amount of kicks a fetus should make within an hour? ✅10
What are some presumptive signs of pregnancy? ✅Changes the client experiences
that make them think they are pregnant
-amenorrhea, fatigue, N/V, frequent urination, breast changes, quickening and uterine
enlargement
What are some probable signs of pregnancy? ✅Changes that makes the examiner
suspect pregnancy
- Abdominal enlargement, Hegar's sign (softening below the uterus), Positive pregancy
test, Chadwick's sign (Discoloration of cervix), Braxton Hicks contractions
True or False: a pregancy test is considered a presumptive sign of pregnancy. ✅False
(probable sign)
What are some positive signs of pregnancy? ✅Signs explained only by pregnancy
- Fetal heart sounds, visualization of fetus through US, fetal movement
Describe GTPAL ✅Gravida=number of pregnancies, including the present one;
Term=number of term births (37+ weeks gestation including current pregnancy--
twins=1); P=number of preterm births (20-37 weeks); Abortions=number of elective or
spontaneous births before 20 weeks; Living children
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