HESI LPN
HESI Focus on Maternity Exam Questions
Question 1 of 5
A newborn is scheduled to start phototherapy using a lamp. Which of the following actions should the nurse include in the plan?
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.
Question 2 of 5
Females with Turner syndrome:
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.
Question 3 of 5
A client is receiving an epidural block with an opioid analgesic. The nurse should monitor for which of the following findings as an adverse effect of the medication?
Correct Answer: C
Rationale: The correct answer is C: Bilateral crackles. Bilateral crackles indicate respiratory complications, which can occur as an adverse effect of an epidural block with opioid analgesics. Hypotension (Choice A) is a common side effect of epidural opioids but is not typically monitored via crackles. Polyuria (Choice B) is excessive urination and is not directly associated with epidural blocks. Hyperglycemia (Choice D) is high blood sugar levels and is not a typical adverse effect of epidural opioids.
Question 4 of 5
Most victims of _____ die of respiratory infections in their 20s.
Correct Answer: B
Rationale: Individuals with cystic fibrosis have a genetic disorder that causes mucus to be thick and sticky, leading to blockages in the lungs and digestive system. This mucus buildup makes them more susceptible to severe respiratory infections, which can ultimately result in premature death in their 20s. Tay-Sachs disease (Choice A) is a genetic disorder that affects the nervous system, not typically causing respiratory infections. Turner syndrome (Choice C) and Klinefelter syndrome (Choice D) are chromosomal disorders that do not directly lead to the respiratory issues observed in cystic fibrosis.
Question 5 of 5
Dizygotic (DZ) twins share _________ percent of their genes.
Correct Answer: C
Rationale: Dizygotic (DZ) twins share approximately 50% of their genes. This is because dizygotic twins, also known as fraternal twins, originate from two separate fertilized eggs and share similar genetic similarity to regular siblings. Choice A (100%) is incorrect because if twins shared 100% of their genes, they would be identical twins (monozygotic). Choice B (75%) is incorrect as it is not the typical genetic similarity seen in dizygotic twins. Choice D (25%) is incorrect as it represents a significantly lower genetic similarity than what is observed in dizygotic twins.
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