Nursing Elites

1. A breastfeeding infant, screened for congenital hypothyroidism, is found to have low levels of thyroxine (T4) and high levels of thyroid-stimulating hormone (TSH). What is the best explanation for this finding?

• A. The thyroxine level is low because the TSH level is high.
• B. High thyroxine levels do not normally occur in breastfeeding infants.
• C. The thyroid gland does not produce normal levels of thyroxine for several weeks after birth.
• D. The TSH is high because of the low production of T4 by the thyroid.

Correct answer: D

Rationale: High TSH and low T4 levels indicate that the thyroid gland is not producing enough hormones, which is a sign of congenital hypothyroidism. In this case, the high TSH is a compensatory response by the body to stimulate the thyroid to produce more T4. Choice A is incorrect because TSH does not directly affect T4 levels; rather, it is the other way around where low T4 levels lead to high TSH levels. Choice B is incorrect because high thyroxine levels are not expected in congenital hypothyroidism. Choice C is incorrect as the thyroid gland should be producing normal levels of thyroxine shortly after birth, making this explanation unlikely in the context of congenital hypothyroidism.

2. A new mother asks the LPN/LVN, 'How do I know that my daughter is getting enough breast milk?' Which explanation should the nurse provide?

• A. Weigh the baby daily, and if she is gaining weight, she is eating enough.
• B. Your milk is sufficient if the baby is voiding pale straw-colored urine 6 to 10 times a day.
• C. Offer the baby extra bottle milk after her feeding, and see if she is still hungry.
• D. If you're concerned, you might consider bottle feeding so that you can monitor her intake.

Correct answer: B

Rationale: The correct answer is B. Adequate voiding is a sign that the baby is receiving enough milk. Pale straw-colored urine 6 to 10 times a day indicates proper hydration and nutrition. This is a reliable indicator of adequate breast milk intake for the infant. Choice A is incorrect because weight gain alone may not always indicate sufficient milk intake. Choice C is incorrect because supplementing with bottle milk can interfere with establishing breastfeeding. Choice D is incorrect as it suggests switching to bottle feeding, which is not necessary if the baby is latching and voiding well.

3. A new mother who is breastfeeding her 4-week-old infant and has type 1 diabetes reports that her insulin needs have decreased since the birth of her child. Which action should the nurse implement?

• A. Inform her that a decreased need for insulin occurs while breastfeeding.
• B. Counsel her to increase her caloric intake.
• C. Advise the client to breastfeed more frequently.
• D. Schedule an appointment for the client with the diabetic nurse educator.

Correct answer: A

Rationale: The correct answer is A. During breastfeeding, insulin needs often decrease due to the metabolic demands of milk production. Therefore, the nurse should inform the client that this decrease in insulin requirements is a normal response to breastfeeding. Choice B is incorrect as increasing caloric intake is not directly related to the decrease in insulin needs during breastfeeding. Choice C is incorrect as advising the client to breastfeed more frequently does not address the issue of decreased insulin needs. Choice D is incorrect as scheduling an appointment with the diabetic nurse educator is not necessary at this point since the decreased need for insulin is a common physiological response to breastfeeding.

4. At 20 weeks gestation, a client is scheduled for an ultrasound. In preparing the client for the procedure, the nurse should explain that the primary reason for conducting this diagnostic study is to obtain which information?

• A. Sex and size of the fetus.
• B. Chromosomal abnormalities.
• C. Fetal growth and gestational age.
• D. Lecithin-sphingomyelin ratio.

Correct answer: C

Rationale: The primary reason for an ultrasound at 20 weeks gestation is to assess fetal growth, gestational age, and anatomical development. This evaluation helps ensure the fetus is developing appropriately and can detect any potential issues that may require intervention. Choices A, B, and D are incorrect because at 20 weeks, the primary focus of the ultrasound is not to determine the sex of the fetus, detect chromosomal abnormalities, or assess the lecithin-sphingomyelin ratio. While these factors may be evaluated in pregnancy, they are not the primary reasons for an ultrasound at 20 weeks gestation.

5. After two miscarriages, a client is instructed to increase her daily intake of foods that include folic acid. The client does not like green leafy vegetables and states she is allergic to soy. Which food should the nurse suggest that the client eat to obtain folic acid?

• A. Strawberries.
• B. Yogurt.
• C. Collard greens.
• D. Whole milk.

Correct answer: C

Rationale: Collard greens are a good source of folic acid, which is important for preventing neural tube defects, especially in clients with a history of miscarriages. Since the client does not like green leafy vegetables, collard greens could be suggested as an alternative source of folic acid. Yogurt and whole milk do not contain significant amounts of folic acid, and while strawberries are a healthy choice, they are not a high source of folic acid compared to collard greens.

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