HESI LPN
HESI Focus on Maternity Exam
1. A newborn is scheduled to start phototherapy using a lamp. Which of the following actions should the nurse include in the plan?
- A. Apply a thin layer of lotion to the newborn's skin every 8 hours.
- B. Give the newborn 1 oz of glucose water every 4 hours.
- C. Ensure the newborn's eyes are closed beneath the shield.
- D. Dress the newborn in a thin layer of clothing during therapy.
Correct answer: C
Rationale: During phototherapy using a lamp, it is crucial to protect the newborn's eyes from the light to prevent damage. Closing the newborn's eyes beneath the shield is essential for this purpose. Applying lotion to the skin (Choice A) is not recommended as it can intensify the effects of the phototherapy. Giving glucose water (Choice B) is unrelated to the phototherapy process and is not indicated. Dressing the newborn in clothing (Choice D) may hinder the effectiveness of the phototherapy by blocking the light exposure to the skin.
2. Preconception counseling is crucial for the safe management of diabetic pregnancies. Which complication is commonly associated with poor glycemic control before and during early pregnancy?
- A. Frequent episodes of maternal hypoglycemia
- B. Congenital anomalies in the fetus
- C. Hydramnios
- D. Hyperemesis gravidarum
Correct answer: B
Rationale: Preconception counseling is essential as strict metabolic control before conception and in the early weeks of gestation helps reduce the risk of congenital anomalies. Frequent episodes of maternal hypoglycemia usually occur during the first trimester due to hormonal changes, affecting insulin production and use, rather than before conception. Hydramnios is more common in diabetic pregnancies, typically seen in the third trimester, not during early pregnancy. Hyperemesis gravidarum, although it may lead to hypoglycemic events, is related to decreased food intake and glucose transfer to the fetus, exacerbating hypoglycemia rather than being directly associated with poor glycemic control before and during early pregnancy.
3. Which neonatal complications are associated with hypertension in the mother?
- A. Intrauterine growth restriction (IUGR) and prematurity.
- B. Seizures and cerebral hemorrhage.
- C. Hepatic or renal dysfunction.
- D. Placental abruption and DIC.
Correct answer: A
Rationale: Neonatal complications associated with maternal hypertension are primarily due to placental insufficiency. The correct answer is A, which includes Intrauterine Growth Restriction (IUGR) and prematurity. These complications arise from inadequate blood flow to the fetus, leading to growth restriction and premature birth. Choices B, seizures, and cerebral hemorrhage are more commonly maternal complications rather than neonatal ones. Choice C, hepatic or renal dysfunction, pertains to maternal complications of hypertensive disorders in pregnancy, not neonatal issues. Choice D, placental abruption, and Disseminated Intravascular Coagulation (DIC) are conditions linked to maternal morbidity and mortality, not neonatal complications.
4. A healthcare provider is reviewing laboratory results for a client who is pregnant. The healthcare provider should expect which of the following laboratory values to increase?
- A. RBC count
- B. Bilirubin
- C. Fasting blood glucose
- D. BUN
Correct answer: A
Rationale: During pregnancy, the body increases the production of red blood cells (RBCs) to meet the increased oxygen demands. This physiological response is known as physiological anemia of pregnancy. Therefore, the RBC count is expected to increase during pregnancy. Bilirubin levels may remain relatively stable, fasting blood glucose levels might fluctuate due to gestational diabetes, and blood urea nitrogen (BUN) levels are not typically affected by pregnancy, making them less likely to increase in this scenario. The correct answer is A because an increase in RBC count is a normal physiological adaptation to pregnancy to support the increased oxygen needs of the mother and the growing fetus. Bilirubin, a product of red blood cell breakdown, is more related to liver function and not expected to increase during pregnancy. Fasting blood glucose levels may vary due to gestational diabetes, but it is not a consistent finding in all pregnant individuals. BUN levels are related to kidney function and are not typically impacted by pregnancy, making it an unlikely choice for an expected increase in laboratory values during pregnancy.
5. If an individual receives a recessive gene for eye color from both parents, the:
- A. gender of the child will not determine the expression of that trait.
- B. recessive trait will be expressed in the child.
- C. recessive trait will be expressed in all the offspring.
- D. recessive trait will be suppressed, and the dominant trait will not be expressed.
Correct answer: B
Rationale: When an individual inherits a recessive gene for eye color from both parents, the recessive trait will be expressed in the child. This is because having two copies of the recessive gene overrides the presence of any dominant gene. Choice A is incorrect because the expression of the trait is determined by the genetic makeup, not the gender of the child. Choice C is incorrect as the expression of the recessive trait is certain when both parents pass on the recessive gene, but it does not mean that all offspring will express the trait. Choice D is incorrect because if both parents provide a recessive gene, the dominant trait will not be expressed in the child, but it does not mean it will be suppressed; rather, the recessive trait will be expressed.
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