Nokea
What part of the fetal body derives from the mesoderm?
- A. Nails
- B. Oil glands
- C. Muscles
- D. Lining of the bladder
Correct Answer: C
Rationale: The mesoderm is responsible for the development of muscles. Nails and oil glands derive from the ectoderm. The lining of the bladder derives from the endoderm.
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A woman in labor begins to experience severe chest pain and difficulty breathing. What should the nurse suspect?
- A. Pulmonary embolism
- B. Pre-eclampsia
- C. Anxiety
- D. Placental abruption
Correct Answer: A
Rationale: The correct answer is A: Pulmonary embolism. In a woman in labor experiencing severe chest pain and difficulty breathing, a pulmonary embolism should be suspected. This condition occurs when a blood clot travels to the lungs, causing chest pain and respiratory distress. Other choices are incorrect: B) Pre-eclampsia is characterized by high blood pressure and protein in the urine, not chest pain. C) Anxiety does not typically present with severe chest pain and difficulty breathing. D) Placental abruption involves separation of the placenta from the uterus, leading to vaginal bleeding and abdominal pain, not chest pain.
Which of the following is the most important nursing intervention for a laboring person who is receiving oxytocin for induction of labor?
- A. monitor for signs of uterine hyperstimulation
- B. monitor fetal heart rate continuously
- C. provide emotional support
- D. encourage ambulation
Correct Answer: B
Rationale: The correct answer is B: monitor fetal heart rate continuously. This is crucial because oxytocin can cause uterine hyperstimulation leading to fetal distress. Continuous monitoring allows for early detection of fetal compromise. Monitoring for signs of uterine hyperstimulation (A) is important but secondary to fetal well-being. Emotional support (C) and encouraging ambulation (D) are beneficial but not as critical as ensuring fetal safety during oxytocin administration.
What is the embryonic membrane that contains fingerlike projections on its surface, which attach to the uterine wall?
- A. Amnion
- B. Yolk sac
- C. Chorion
- D. Decidua basalis
Correct Answer: C
Rationale: The chorion is a thick membrane with fingerlike projections (villi) on its outermost surface.
A woman, 6 weeks pregnant, is having a vaginal examination. Which of the following would the practitioner expect to find?
- A. Thin cervical muscle.
- B. An enlarged ovary.
- C. Thick cervical mucus.
- D. Pale pink vaginal wall.
Correct Answer: B
Rationale: An enlarged ovary is a common finding in early pregnancy due to the corpus luteum. Thin cervical muscle, thick cervical mucus, and a pale pink vaginal wall are not typical findings at this stage.
A nurse is educating a pregnant patient on the importance of folic acid. Which of the following statements by the patient indicates that the teaching has been effective?
- A. I will take folic acid throughout my entire pregnancy to support fetal development.
- B. I will start taking folic acid after the first trimester to help prevent birth defects.
- C. I should only take folic acid if I have a family history of birth defects.
- D. Folic acid will help reduce the risk of gestational diabetes and hypertension.
Correct Answer: A
Rationale: The correct answer is A because taking folic acid throughout the entire pregnancy is crucial for supporting fetal development, especially in the early stages when the neural tube is forming. This statement reflects the patient's understanding of the importance of consistent folic acid intake during pregnancy.
Choice B is incorrect because waiting until after the first trimester misses the critical period when the neural tube develops. Choice C is incorrect as folic acid is recommended for all pregnant women regardless of family history. Choice D is incorrect because while folic acid is beneficial for fetal development, it is not specifically linked to reducing the risk of gestational diabetes or hypertension.