HESI LPN
HESI Focus on Maternity Exam
1. A client with preeclampsia is receiving magnesium sulfate by continuous IV infusion. Which finding should the nurse report to the provider?
- A. Blood pressure 148/94 mm Hg
- B. Respiratory rate 14/min
- C. Urinary output 20 mL/hr
- D. 2+ deep tendon reflexes
Correct answer: C
Rationale: In a client with preeclampsia receiving magnesium sulfate, a urinary output of 20 mL/hr is a concerning finding as it may indicate renal impairment or magnesium toxicity. Adequate urinary output is crucial for eliminating excess magnesium and preventing toxicity. The nurse should report this finding to the provider for further evaluation. A blood pressure of 148/94 mm Hg is elevated but expected in a client with preeclampsia. A respiratory rate of 14/min is within the normal range. 2+ deep tendon reflexes are a common finding in clients receiving magnesium sulfate and are not a cause for concern unless they progress to hyperreflexia or clonus.
2. A healthcare provider is teaching a prenatal class about immunizations that newborns receive following birth. Which of the following immunizations should the provider include in the teaching?
- A. Hepatitis B
- B. Rotavirus
- C. Pneumococcal
- D. Varicella
Correct answer: A
Rationale: The correct answer is Hepatitis B. Newborns receive the Hepatitis B vaccine shortly after birth to provide protection against the virus. Rotavirus, Pneumococcal, and Varicella vaccines are typically administered at later stages of infancy or childhood, not immediately after birth. Rotavirus vaccine helps prevent severe diarrhea, Pneumococcal vaccine protects against infections like pneumonia and meningitis, and Varicella vaccine prevents chickenpox. However, these vaccines are not part of the routine immunizations given to newborns immediately after birth.
3. Which information regarding the care of antepartum women with cardiac conditions is most important for the nurse to understand?
- A. Stress on the heart is greatest in the first trimester and the last 2 weeks before labor.
- B. Women with class II cardiac disease should avoid heavy exertion and any activity that causes even minor symptoms.
- C. Women with class III cardiac disease should get 8 to 10 hours of sleep every day and limit housework, shopping, and exercise.
- D. Women with class I cardiac disease need bed rest through most of the pregnancy and face the possibility of hospitalization near term.
Correct answer: B
Rationale: Class II cardiac disease is symptomatic with ordinary activity. Women in this category need to avoid heavy exertion and limit regular activities as symptoms dictate. Stress is greatest between weeks 28 and 32 of gestation, when hemodynamic changes reach their maximum. Class III cardiac disease is symptomatic with less-than-ordinary activity. These women need bed rest most of the day and face the possibility of hospitalization near term. Class I cardiac disease is asymptomatic at normal levels of activity. These women can perform limited normal activities with discretion, although they still need a good amount of sleep.
4. Examination reveals that the laboring client's cervix is dilated to 2 centimeters, 70% effaced with the presenting part at -2 station. The client tells the nurse, 'I need my epidural now, this hurts.' The nurse's response to the client is based on which information?
- A. The client will need to be catheterized before the epidural can be administered.
- B. Administering an epidural at this point would slow down the labor process.
- C. The client should be dilated to at least 8 centimeters before receiving an epidural.
- D. The baby needs to be at a zero station before an epidural can be administered.
Correct answer: B
Rationale: Administering an epidural too early in labor, especially at 2 cm dilation, can slow down the progress of labor. It is usually recommended to wait until labor is more established. Choice A is incorrect because catheterization is not a prerequisite for epidural administration. Choice C is incorrect as waiting until 8 cm dilation is not a standard requirement for epidural administration. Choice D is incorrect because the baby's station being at zero is not a strict criterion for epidural administration.
5. Females with Turner syndrome:
- A. possess more thymine than cytosine.
- B. are taller than average.
- C. produce little estrogen.
- D. are more likely to give birth to twins.
Correct answer: C
Rationale: Turner syndrome is a chromosomal disorder in females characterized by short stature and underdeveloped ovaries, resulting in low estrogen production. This leads to symptoms such as delayed puberty and infertility. Choice A is incorrect because the chromosomal abnormality in Turner syndrome does not affect the thymine-cytosine ratio. Choice B is incorrect as females with Turner syndrome are typically shorter than average. Choice D is incorrect as Turner syndrome does not increase the likelihood of giving birth to twins.
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