HESI LPN
HESI Focus on Maternity Exam
1. What term is used to describe each member of a pair of genes?
- A. allele
- B. zygote
- C. autosome
- D. node
Correct answer: A
Rationale: The correct answer is 'allele.' An allele refers to one of two or more versions of a gene located at the same position on a chromosome. In genetics, alleles are responsible for variations in inherited traits. Choice B, 'zygote,' is incorrect as a zygote is a fertilized egg cell formed by the fusion of two gametes. Choice C, 'autosome,' is incorrect as autosomes are non-sex chromosomes that determine an individual's genetic traits excluding sex-linked characteristics. Choice D, 'node,' is incorrect as it does not relate to the concept of genes or genetic inheritance.
2. A 38-week primigravida is admitted to labor and delivery after a non-reactive result on a non-stress test (NST). The nurse begins a contraction stress test (CST) with an oxytocin infusion. Which finding is most important for the nurse to report to the healthcare provider?
- A. A pattern of fetal late decelerations.
- B. Fetal heart rate accelerations with fetal movement.
- C. Absence of uterine contractions within 20 minutes.
- D. Spontaneous rupture of membranes.
Correct answer: A
Rationale: The correct answer is A: A pattern of fetal late decelerations. Late decelerations during a contraction stress test are concerning as they indicate uteroplacental insufficiency, which can pose a risk to fetal well-being. Reporting this finding to the healthcare provider is crucial for prompt intervention. Choice B, fetal heart rate accelerations with fetal movement, is a reassuring sign of fetal well-being and does not raise immediate concerns. Choice C, absence of uterine contractions within 20 minutes, may require further assessment but is not as critical as late decelerations. Choice D, spontaneous rupture of membranes, is important but not the most immediate concern during a contraction stress test.
3. What should be the primary focus of nursing care in the transitional phase of labor for a client who anticipates an unmedicated delivery?
- A. Assessing the strength of uterine contractions
- B. Re-evaluating the need for medication
- C. Reminding her to push 3 times with each contraction
- D. Assisting her to maintain control
Correct answer: D
Rationale: During the transitional phase of labor, which is the most intense phase, the primary focus of nursing care for a client who anticipates an unmedicated delivery should be assisting her to maintain control. This is essential to help her manage the intense pain and anxiety associated with this phase without the use of medication. Assessing the strength of uterine contractions (Choice A) is important but not the primary focus during the transitional phase. Re-evaluating the need for medication (Choice B) is not applicable as the client anticipates an unmedicated delivery. Reminding her to push 3 times with each contraction (Choice C) is more related to the pushing stage of labor and not the transitional phase.
4. What additional assessment is required for the postoperative care of a pregnant woman who undergoes abdominal surgery for appendicitis?
- A. Intake and output (I&O) and intravenous (IV) site.
- B. Signs and symptoms of infection.
- C. Vital signs and incision.
- D. Fetal heart rate (FHR) and uterine activity.
Correct answer: D
Rationale: The correct additional assessment for postoperative care of a pregnant woman requiring abdominal surgery for appendicitis is monitoring the fetal heart rate (FHR) and uterine activity. This is crucial due to the presence of the fetus. Continuous fetal and uterine monitoring should be prioritized to ensure the well-being of both the mother and the baby. While assessing I&O levels and the IV site are common postoperative care procedures, they are not specific to the unique needs of a pregnant woman. Evaluating for signs and symptoms of infection is important for any postoperative patient but is not the additional assessment required specifically for a pregnant woman in this scenario. Routine vital signs and incision evaluation are standard components of postoperative care but do not address the specific needs related to the fetus and the uterus in this case.
5. During a prenatal visit, for which of the following clients should the nurse auscultate the fetal heart rate?
- A. A client who has an ultrasound confirming a molar pregnancy
- B. A client who has a crown-rump length corresponding to 7 weeks gestation
- C. A client who has a positive urine pregnancy test 1 week after missed menses
- D. A client who has felt quickening for the first time
Correct answer: D
Rationale: The correct answer is D because feeling quickening typically occurs around 18-20 weeks of gestation, indicating fetal movement. This is an appropriate time to auscultate the fetal heart rate. Choice A is incorrect because a molar pregnancy is not a viable pregnancy, and auscultating the fetal heart rate in this case is not applicable. Choice B is incorrect because a crown-rump length of 7 weeks gestation is too early for fetal heart rate auscultation. Choice C is incorrect because a positive urine pregnancy test alone does not indicate the appropriate timing for fetal heart rate auscultation.
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