NLE/PRC Obstetric Nursing Practice Test (1-5)
Obstetric Nursing Questions 1-5.
1. Basing on the female reproductive system, which of this type of pelvis is considered normal female pelvis and considered most favorable and for successful labor and birth:
a. Transversely rounded type
b. Wedge shaped or the angulated type
c. Oval shaped with moderately narrow pubic arch
d. Flat shape with an oval inlet
2. A client has a positive pregnancy test. Which hormone is related to this finding?
a. Luteinizing hormone
b. Follicle-stimulating hormone
c. Human chorionic somatomammotropin
d. Human chorionic gonadotropin
3. Obstetric nursing describes the development of the placenta. The nurse teaches correctly that the placenta is formed by the fusion of chorionic villi and the:
a. Decidua vera
b. Chorion laeva
c. Decidua basalis
d. Chorion frondusum
4. Mrs. Ramos has questions about the amniotic fluid and sac. The nurse teaches correctly that they serve all of the following functions except:
a. Helping to dilate the cervix
b. Protecting the fetus from injury
c. Providing the fetus with immune bodies
d. Keeping the fetus at an even temperature
5. The nurse explains correctly to the Ramos family when she teaches that the umbilical cord contains blood vessels, the total number normally being:
a. One vein and one artery
b. Two veins and one artery
c. One vein and two arteries
d. Two veins and two arteries
ANSWERS AND RATIONALE
- The Gynecoid is considered the normal pelvis type. This is transversely rounded or blunt. Option B is the Android. Wedge shaped or angulated. Seen in males. Not favorable for labor. Its narrow pelvic planes can cause slow descent and mid pelvis arrest. Option C is the Anthropoid type. This is oval shaped. The outlet is adequate, with a normal or moderately narrow pubic arch. Option D is what we call the platypelloid. This is flat in shape with an oval inlet. Transverse diameter is wide but anteroposterior diameter is short making the outlet inadequate.
– Human chorionic gonadotropin is produced by the trophoblastic tissue of the placenta and secreted into the urine and serum of a pregnant woman shortly after the onset of pregnancy. Leutinizing hormone (option a) and follicle stimulating hormone (option b) are anterior pituitary hormones necessary for developing and releasing the mature ovum and for synthesizing estrogen and progesterone. Human chorionic somatomammotropin (option c) is a placental hormone that acts similarly to the pituitary growth hormone. It produces a diabetogenic effect in pregnant women and isn’t diagnostic of pregnancy.
– The chorionic villi and desidua basalis fuse to become the placenta. The deciduas vera is also a layer of the deciduas, but neither it or nor the deciduas capsularis is in direct contact with the ovum. The chorionic frondosum is part of the chorionic villi that fuses with deciduas basalis. The chorionic laeve is the part of the chorionic villi that does not fuse with the deciduas basalis; it degenerates and finally almost disappears.
- Amniotic fluid does not provide the fetus with immune bodies but it does help dilate the cervix, protect the fetus from injury and keep the fetus at an even tenperature.
- The umbilical cord normally consists of two arteries and one vein. Oxygen and other nutrients are carried to the fetal circulation by one umbilical vein. The oxygen-poor blood is pumped back to the placenta by the fetal heart through the two umbilical arteries. A single umbilical artery is sometimes associated with congenital anomalies.
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