Nokea
A nurse is teaching a group about the benefits of folic acid supplementation before conception. What should the nurse emphasize?
- A. Folic acid helps prevent neural tube defects in the developing fetus.
- B. Folic acid improves the chances of multiple pregnancies.
- C. Folic acid is only needed during the third trimester of pregnancy.
- D. Folic acid reduces the need for prenatal vitamins.
Correct Answer: A
Rationale: The correct answer is A: Folic acid helps prevent neural tube defects in the developing fetus. The rationale is that folic acid is essential for the development of the neural tube in early pregnancy, which is crucial for the baby's brain and spinal cord formation. By emphasizing this benefit, the nurse educates about the importance of folic acid before conception to reduce the risk of neural tube defects. Choices B, C, and D are incorrect because folic acid does not improve chances of multiple pregnancies, is needed before conception and throughout pregnancy (not just in the third trimester), and is a supplement that complements prenatal vitamins rather than replacing them.
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Of the following karyotype results, which indicates a finding of Turner syndrome?
- A. 46 XY
- B. 46 YY
- C. 46 XX
- D. 46 X
Correct Answer: D
Rationale: Certainly. The correct answer is D (46 X) for Turner syndrome. Turner syndrome is characterized by a missing or partially missing X chromosome in females. Therefore, a karyotype of 45,X or 46,X would indicate Turner syndrome. Choice A (46 XY) is a normal male karyotype, B (46 YY) is not a valid karyotype, and C (46 XX) is a normal female karyotype.
The nurse is educating a client on lifestyle changes to support fertility. Which recommendation is appropriate?
- A. Avoid caffeine and alcohol entirely.
- B. Engage in moderate exercise and maintain a balanced diet.
- C. Increase daily protein intake to boost fertility.
- D. Use herbal supplements for better ovulation.
Correct Answer: B
Rationale: The correct answer is B because moderate exercise and a balanced diet are essential for overall health, including fertility. Exercise can help regulate hormones and improve circulation to reproductive organs. A balanced diet provides necessary nutrients for optimal reproductive function.
Choice A is incorrect as complete avoidance of caffeine and alcohol is not necessary for fertility. Choice C is incorrect as excessive protein intake can negatively impact fertility. Choice D is incorrect as herbal supplements can have unknown effects on fertility and should be avoided without consulting a healthcare provider.
A woman in her 40th week of pregnancy calls the nurse at the clinic and says she is not sure whether she is in true or false labor. Which statement by the client would lead the nurse to suspect that the woman is experiencing false labor?
- A. I'm feeling contractions mostly in my back.
- B. My contractions are about 6 minutes apart and regular.
- C. The contractions slow down when I walk around.
- D. If I try to talk to my partner during a contraction, I can't.
Correct Answer: C
Rationale: The statement The contractions slow down when I walk around indicates that the contractions are irregular and weak, which is characteristic of false labor. In true labor, contractions are regular, strong, and do not slow down with movement.
A woman telephones the prenatal clinic and reports that her water just broke. Which suggestion by the nurse would be most appropriate?
- A. Call us back when you start having contractions.
- B. Come to the clinic or emergency department for an evaluation.
- C. Drink 3 to 4 glasses of water and lie down.
- D. Come in as soon as you feel the urge to push.
Correct Answer: B
Rationale: When a woman's water breaks, there is an increased risk of infection and cord prolapse, making it important for the woman to seek evaluation at the clinic or emergency department. Waiting for contractions to start, drinking water and lying down, and waiting to come in only when feeling the urge to push are not appropriate responses in this situation.
A nurse is describing how the fetus moves through the birth canal. Which component would the nurse identify as being most important in allowing the fetal head to move through the pelvis?
- A. sutures
- B. fontanelles
- C. frontal bones
- D. biparietal diameter
Correct Answer: A
Rationale: Sutures are important because they allow the cranial bones to overlap in order for the head to adjust in shape when pressure is exerted on it. Fontanelles are the intersections formed by the sutures. The frontal bones and biparietal diameter are not as crucial in allowing the fetal head to move through the pelvis.