Exam 1 OB NCLEX Questions & Answers, 100% Accurate, rated A+
A nursing student is preparing a prenatal class on the process of fetal circulation. The nursing instructor asks the student specifically to describe the process through the umbilical cord. Which of the following statements from the ...
A nursing student is preparing a prenatal class on the process of fetal circulation. The nursing instructor
asks the student specifically to describe the process through the umbilical cord. Which of the following
statements from the student is correct?
1. "The one artery carries freshly oxygenated blood and nutrient-rick blood back from the placenta to
the fetus."
2. "The two arteries carry freshly oxygenated blood back from the placenta to the fetus."
3. "The two arteries in the umbilical cord carry deoxygenated blood and waste products away from the
fetus to the placenta."
4. "The two veins in the umbilical cord carry blood that is high in carbon dioxide and other waste
products away from the fetus to the placenta." - ✔✔-3. "The two arteries in the umbilical cord carry
deoxygenated blood and waste products away from the fetus to the placenta."
Rational: Blood pumped by the embryo's heart leaves the embryo through two umbilical arteries. When
oxygenated, the blood is returned by one umbilical vein.
A pregnant client tells the clinic nurse that she wants to k now the sex of her baby as soon as it can be
determined. The nurse understands that the client should be able to find out at 12 weeks' gestation
because by the end of the twelfth week:
1. The sex of the fetus can be determined by the appearance of the external genitalia.
2. The sex of the fetus can be determined because the external genitalia begin to differentiate.
3. The sex of the fetus can be determined because the testes are descended into the scrotal sac.
4. The sex of the fetus can be determined because the internal differences in males and females
becomes apparent. - ✔✔-1. The sex of the fetus can be determined by the appearance of the external
genitalia.
, Rational: By the end of the 12th week, the external genitalia of the fetus have developed to such a
degree that the sex of the fetus can be determined visually.
A nurse is performing an assessment on a client who is at 38 weeks gestation and notes that the FHR is
174/bpm. On the basis of this finding, the appropriate nursing action is to:
1. Notify the physician
2. Document the findings.
3. Check the mother's heart rate
4. Tell the client that the FHR is normal. - ✔✔-1. Notify the physican
Rational: The FHR depends on gestational age and ranges from 160-170/bpm in the 1st trimester, but
slows with fetal growth to 120-160/bpm near or at term. Because the FHR is increased from the
reference range, the nurse should notify the physican.
A nurse is conducting a prenatal class on the female reproductive system. When a client in the class asks
why the fertilized ovum stays in the Fallopian tube for 3 days, the nurse responds that the reason for
this is that it:
1. Promotoes the fertilized ovum's changes of survival.
2. Promotes the fertilized ovum's exposure to estrogen & progesterone.
3. Promotes the fertilized ovum's normal implantation in the top portion of the uterus.
4. Promotes the fertilized ovum's exposure to LH and FSH - ✔✔-3. Promotes the fertilized ovum's
normal implantation in the top portion of the uterus.
A nursing instructor is reviewing the menstrual cycle with a nursing student who will be conducing a
prenatal teaching session. The instructor asks the student to describe the FSH and LF. The student
accurately responds by stating that:
1. FSH & LH are secreted by the adrenal glands.
2. FSH & LH are released from the anterior pituitary gland
3. FSH & LH are secreted by the corpus luteum of the ovary
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