Nokea
Where is the usual location for implantation of the zygote?
- A. Upper section of the posterior uterine wall
- B. Lower portion of the uterus near the cervical os
- C. Inner third of the fallopian tube near the uterus
- D. Lateral aspect of the uterine wall
Correct Answer: A
Rationale: The zygote usually implants in the upper section of the posterior uterine wall.
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The vessels comprising the umbilical cord are cushioned and protected by a substance called _____________ _____________.
- A. Wharton’s jelly
- B. Endoderm
- C. jelly
- D. haploid
Correct Answer: A
Rationale: Wharton’s jelly is a gelatinous substance surrounding the blood vessels in the umbilical cord. It cushions and protects the vessels from compression and damage during pregnancy.
What is the purpose of initiating contractions in a contraction stress test (CST)?
- A. Increase placental blood flow.
- B. Identify fetal acceleration patterns.
- C. Determine the degree of fetal activity.
- D. Apply a stressful stimulus to the fetus.
Correct Answer: D
Rationale: The CST assesses fetal response to the stress of uterine contractions to determine if the fetus can tolerate labor.
What complication is associated with pica during pregnancy?
- A. Hypothyroidism
- B. Iron-deficiency anemia
- C. Hypercalcemia
- D. Overexposure to zinc
Correct Answer: B
Rationale: Pica often leads to nutritional deficiencies, particularly iron-deficiency anemia, due to the ingestion of non-food substances.
The nurse is educating the pregnant patient with a body mass index (BMI) of 33. The nurse knows that teaching has been effective when the patient states which of the following?
- A. My child may be at increased risk for birth injury.
- B. My child may have a decreased risk of developing childhood diabetes.
- C. I will probably give birth vaginally.
- D. I have a lower risk of developing gestational hypertension.
Correct Answer: A
Rationale: The correct answer is A: "My child may be at increased risk for birth injury." This is correct because a pregnant patient with a BMI of 33 is considered obese, which can increase the risk of birth injury to the baby due to complications such as macrosomia (large birth weight).
Explanation:
1. Obesity in pregnancy can lead to complications such as macrosomia, shoulder dystocia, and birth trauma.
2. Higher BMI can also increase the risk of cesarean delivery, which may be necessary to prevent birth injuries.
3. Childhood diabetes risk is not decreased with maternal obesity.
4. Mode of delivery (vaginal or cesarean) is not solely determined by BMI.
5. Gestational hypertension risk is actually higher in women with obesity.
In summary, choice A is correct because it directly relates to the increased risk of birth injury associated with maternal obesity, while the other choices are not directly linked to the patient's BMI and pregnancy complications.
A woman whose prenatal weight was 105 lb weighs 109 lb at her 12-week visit. Which of the following comments by the nurse is appropriate at this time?
- A. We expect you to gain about 1 lb per week, so your weight is a little low at this time.
- B. Most women gain no weight during the first trimester, so I would suggest you eat fewer desserts for the next few weeks.
- C. You entered the pregnancy well underweight, so we should check your diet to make sure you are getting the nutrients you need.
- D. Your weight gain is exactly what we would expect it to be at this time.
Correct Answer: D
Rationale: A weight gain of 3 to 5 lb is expected during the first trimester. The client's weight gain is within the normal range.