NUR 245 Unit 5 Review Questions and Correct Answers
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Course
NUR 245
Institution
NUR 245
A client at 28 weeks gestation is admitted to the labor and birth unit. Which test might be used to assess the client's fetal status?
1) Amniocentesis 2) Contraction stress test (CST) 3) Ultrasound for physical structure 4) Biophysical profile (BPP) 4) Biophysical profile would be used to assess t...
NUR 245 Unit 5 Review Questions and
Correct Answers
A client at 28 weeks gestation is admitted to the labor and birth unit. Which test might
be used to assess the client's fetal status?
1) Amniocentesis
2) Contraction stress test (CST)
3) Ultrasound for physical structure
4) Biophysical profile (BPP) ✅4)
Biophysical profile would be used to assess the client's fetal status at 28 weeks
gestation. Ultrasound for physical structure is limited to identifying the growth and
development of the fetus, and does not assess for other parameters of fetal well-being.
Contraction stress test is appropriate in the third trimester. Amniocentesis tests for lung
maturity, not overall status.
A prenatal client in her second trimester is admitted to the maternity unit with painless,
bright red vaginal bleeding. What test might the physician order?
1) Contraction stress test (CST)
2) Alpha-fetoprotein (AFP)
3) Amniocentesis
4) Ultrasound ✅4)
An ultrasound for placenta location to rule out placenta previa would be ordered for a
client who presents with painless, bright red vaginal bleeding. Alpha-fetoprotein (AFP) is
a test used to screen for neural tube defects. A contraction stress test is ordered in the
third trimester to evaluate the respiratory function of the placenta. Amniocentesis is a
procedure used for genetic diagnosis or, in later pregnancy, for lung maturity studies.
The nurse is preparing a prenatal client for a transvaginal ultrasound. What nursing
action should be included in the preparations?
1) Apply transmission gel over the client's abdomen.
2) Advise the client not to empty her bladder.
3) Encourage the client to drink 1.5 quarts of fluid.
4) Place client in lithotomy position. ✅4)
After having the client void, assist her to a lithotomy position for a transvaginal
ultrasound. Preparation for a transabdominal ultrasound includes encouraging the client
to drink 1.5 quarts of fluid, maintaining a full bladder, and applying transmission gel over
the client's abdomen.
A client in her third trimester has come to the clinic for her first prenatal visit. She asks
the nurse whether ultrasound can determine the baby's age. What statement by the
nurse would be the best response?
, 1) "The estimate of gestational age may vary by one to three weeks."
2) "The accuracy of ultrasound is the same in the first and third trimesters."
3) "The ultrasound measures gender, not age."
4) "A comprehensive ultrasound is needed for accuracy." ✅1)
The ability to establish fetal age accurately by ultrasound is lost in the third trimester
because fetal growth is not as uniform as it is in the first two trimesters; however,
ultrasound can be used to approximate gestational age within one to three weeks'
accuracy during the third trimester. A comprehensive ultrasound is used to detect
anatomical defects, not gestational age. Ultrasound is not used to determine gender.
The physician orders an ultrasound for a prenatal client prior to an amniocentesis. The
nurse explains to the client that the purpose of the ultrasound is to:
1) Locate the placenta.
2) Measure the fetus's crown-rump length.
3) Determine the gestational sac volume.
4) Measure the fetus's biparietal diamet ✅1)
The purpose of the ultrasound before an amniocentesis is to locate the placenta, fetus,
and an adequate pocket of fluid. Determination of the gestational sac volume,
measuring the crown-rump length, and measuring the biparietal diameter are aspects of
assessing fetal well-being (biophysical profile, or BPP), and may or may not be done
prior to the amniocentesis, depending on gestational age.
The nurse is reviewing four prenatal charts. Which client would be an appropriate
candidate for a contraction stress test (CST)?
1) A client with multiple gestation.
2) A client with an incompetent cervix.
3) A client with placenta previa.
4) A client with intrauterine growth retardation. ✅4)
A contraction stress test (CST) is indicated for a client with intrauterine growth
retardation (IUGR), because it will assess the respiratory function of the placenta, which
may be adversely affected by the conditions causing IUGR. The contraction stress test
is contraindicated for the client with multiple gestation, an incompetent cervix, or
placenta previa.
A prenatal client at 22 weeks gestation is scheduled for an amniocentesis. What would
be an appropriate nursing action to prepare this client for the procedure?
1) Encourage the client to take fluids.
2) Position the client in a left lateral tilt.
3) Administer Rh immune globulin to the client.
4) Cleanse the client's abdominal skin with alcohol. ✅2)
An appropriate nursing action to prepare this client for amniocentesis would be to
position the client in a left lateral tilt to prevent supine hypotension. The skin is cleansed
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