HESI LPN
HESI Focus on Maternity Exam
1. What is the typical sex chromosome pattern for males?
- A. XX
- B. XYY
- C. XY
- D. XXY
Correct answer: C
Rationale: The correct answer is C: XY. In males, the typical sex chromosome pattern consists of one X chromosome and one Y chromosome. Choice A (XX) is the sex chromosome pattern for females. Choice B (XYY) is a chromosomal disorder where males have an extra Y chromosome. Choice D (XXY) is the sex chromosome pattern associated with Klinefelter syndrome, a condition where males have an extra X chromosome.
2. Thalidomide was marketed in the 1960s as a treatment for:
- A. insomnia and nausea.
- B. infertility and impotence.
- C. Down syndrome.
- D. Turner syndrome.
Correct answer: A
Rationale: Thalidomide was initially marketed as a treatment for insomnia and nausea, particularly in pregnant women. However, it was later found to cause severe birth defects, leading to significant consequences. Choice B, infertility and impotence, is incorrect as thalidomide was not marketed for these conditions. Choices C and D, Down syndrome and Turner syndrome, are genetic conditions and not conditions for which thalidomide was intended as a treatment.
3. A primiparous woman presents in labor with the following labs: hemoglobin 10.9 g/dL, hematocrit 29%, hepatitis surface antigen positive, Group B Streptococcus positive, and rubella non-immune. Which intervention should the nurse implement?
- A. Transfuse 2 units of packed red blood cells.
- B. Give measles, mumps, rubella vaccine 0.5 mL.
- C. Administer ampicillin 2 grams intravenously.
- D. Inject hepatitis B immune globulin 0.5 milliliters.
Correct answer: C
Rationale: The correct intervention in this scenario is to administer ampicillin 2 grams intravenously. This is crucial to prevent Group B Streptococcus infection in the newborn during delivery. Option A, transfusing packed red blood cells, is not indicated based on the hemoglobin and hematocrit levels provided. Option B, giving measles, mumps, rubella vaccine, is not necessary at this time. Option D, injecting hepatitis B immune globulin, is not appropriate for the conditions presented in the question.
4. Four clients at full term present to the labor and delivery unit at the same time. Which client should a nurse assess first?
- A. Multipara with contractions occurring every three minutes
- B. Multipara scheduled for non-stress test and biophysical profile
- C. Primipara with vaginal show and leaking membranes
- D. Primipara with burning on urination and urinary frequency
Correct answer: C
Rationale: A primipara with vaginal show and leaking membranes requires immediate assessment as she may be in active labor or at risk of infection. The vaginal show and leaking membranes suggest potential rupture of membranes and the start of labor. Assessing her first ensures prompt management and monitoring. The other options, while important, do not indicate immediate or emergent needs. Contractions every three minutes in a multipara can be managed with ongoing monitoring; non-stress tests and biophysical profiles can be scheduled and are not acute needs. Burning on urination and urinary frequency in a primipara may indicate a urinary tract infection, which is important but not as urgent as assessing for active labor or rupture of membranes.
5. A client at 38 weeks of gestation has a prescription for intravaginal misoprostol. Which of the following statements should the nurse make?
- A. “You will need to stay in a side-lying position for 30 minutes after each dose.”
- B. “You will receive an IV infusion of oxytocin 1 hour after your last dose.”
- C. “You will receive a magnesium supplement immediately following therapy.”
- D. “You will need to have a full bladder before the therapy begins.”
Correct answer: A
Rationale: The correct answer is A. Instructing the client to stay in a side-lying position after receiving misoprostol intravaginally is essential. This position helps keep the medication in place, allowing for better absorption. Choice B is incorrect because oxytocin administration is not typically indicated after misoprostol use. Choice C is incorrect as magnesium supplementation is not part of the standard protocol for misoprostol administration. Choice D is incorrect as having a full bladder is not necessary before initiating misoprostol therapy.
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