Nokea
When planning for the care of an infant experiencing neonatal abstinence syndrome, which nursing assessment is most important?
- A. The mother's ability to provide a safe environment
- B. The extent of addiction of the mother
- C. The mother's ability to obtain treatment
- D. The severity of the infant's withdrawal
Correct Answer: A
Rationale: The correct answer is A: The mother's ability to provide a safe environment. This is crucial because infants with neonatal abstinence syndrome require a stable and safe environment for optimal care and recovery. Assessing the mother's ability to provide this environment helps ensure the infant's safety and well-being. Choice B is incorrect because the extent of the mother's addiction, while important, does not directly impact the immediate care of the infant. Choice C is incorrect as the focus should be on the current situation and care of the infant rather than the mother obtaining treatment. Choice D is incorrect as the severity of the infant's withdrawal, though important, is not the most critical assessment in planning care.
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A nurse is caring for a child who has hemophilia. The nurse should expect abnormal results in which of the following diagnostic tests?
- A. Fibrinogen
- B. Hemoglobin level
- C. Prothrombin time (PT)
- D. Partial thromboplastin time (PTT)
Correct Answer: D
Rationale: The correct answer is D: Partial thromboplastin time (PTT). In hemophilia, there is a deficiency in specific clotting factors, leading to prolonged PTT due to impaired intrinsic pathway function. A: Fibrinogen level is normal in hemophilia as it is not affected by clotting factor deficiencies. B: Hemoglobin level is unrelated to hemophilia and reflects oxygen-carrying capacity of blood. C: Prothrombin time (PT) evaluates the extrinsic pathway, which is typically normal in hemophilia. Therefore, the abnormal result is in PTT, making it the correct choice.
Which method of temperature regulation would safely and effectively prevent cold stress in a newly delivered infant?
- A. Wrap the baby loosely with a blanket.
- B. Be sure the baby's feet are covered.
- C. Cover the baby's head with a hat.
- D. Position the baby on a heating pad.
Correct Answer: C
Rationale: The correct answer is C: Cover the baby's head with a hat. Infants lose a significant amount of heat through their heads, so covering the head with a hat helps prevent heat loss and cold stress. Option A does not provide enough insulation to prevent cold stress. Option B only addresses the feet, while the head is a major heat loss area. Option D poses a risk of overheating and burns.
Which condition must occur in order for identical (monozygotic) twins to develop?
- A. One sperm fertilizes two ova
- B. Two sperm fertilize two ova
- C. One sperm fertilizes one ovum
- D. Two sperm fertilize one ovum
Correct Answer: C
Rationale: The correct answer is C: One sperm fertilizes one ovum. Identical twins result from the fertilization of a single egg by a single sperm, leading to the formation of a zygote that later splits into two embryos. This process results in genetically identical individuals. Choices A, B, and D involve multiple fertilization events, which would lead to fraternal (dizygotic) twins with different genetic compositions. Therefore, the only condition that can lead to the development of identical twins is when one sperm fertilizes one ovum.
A nurse is caring for a 3-year-old child with strabismus. Which of the following actions should the nurse advise the parents to implement to help prevent amblyopia?
- A. Wear corrective biconcave lenses.
- B. Prevent trauma to the eyes.
- C. Patch the strong eye.
- D. Instill artificial tears.
Correct Answer: C
Rationale: The correct answer is C: Patch the strong eye. Patching the strong eye helps improve vision in the weaker eye, which is essential in preventing amblyopia. By covering the strong eye, the brain is forced to rely on the weaker eye, strengthening its visual acuity. Wearing corrective biconcave lenses may help with refractive errors but does not directly address amblyopia prevention. Preventing trauma to the eyes is important for overall eye health but does not specifically target amblyopia prevention. Instilling artificial tears is used for dry eye syndrome and does not play a role in preventing amblyopia.
At 10 weeks gestation, a primigravida asks the nurse what is occurring developmentally with her baby. Which response by the nurse is correct?
- A. The skin is wrinkled and fat is being formed.
- B. The eyelids are open and he can see.
- C. The kidneys are making urine.
- D. The heart is being developed.
Correct Answer: C
Rationale: Correct Answer: C - The kidneys are making urine.
Rationale: At 10 weeks gestation, the kidneys of the developing fetus begin to form and function, producing urine. This is a crucial milestone in fetal development as it indicates proper organ formation and functionality. The formation of urine by the kidneys plays a significant role in maintaining the amniotic fluid levels and supporting overall fetal growth and development.
Summary of other choices:
A: The skin is wrinkled and fat is being formed - Incorrect. Skin and fat formation typically occur later in gestation, not at 10 weeks.
B: The eyelids are open and he can see - Incorrect. Eye development is still in progress at 10 weeks, and the eyelids remain fused.
D: The heart is being developed - Incorrect. While the heart is forming at 10 weeks, it is not the most accurate response to the question posed by the primigravida.