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. The healthcare provider is assessing a 2-hour-old infant born by cesarean delivery at 39-weeks gestation. Which assessment finding should receive the highest priority when planning the infant’s care?

• A. Blood pressure 76/42 mmHg.
• B. Faint heart murmur.
• C. Respiratory rate of 76 breaths/minute.
• D. Blood glucose 45 mg/dl.

Correct answer: C

Rationale: A high respiratory rate in a newborn is concerning as it may indicate respiratory distress, which requires immediate attention to ensure adequate oxygenation. Monitoring and addressing respiratory issues take precedence over other parameters in the initial assessment of a newborn. The blood pressure, heart murmur, and blood glucose levels are important but not as urgent as addressing potential respiratory distress in a newborn.

3. A 6-month-old child who had a cleft-lip repair has elbow restraints in place. What nursing intervention should the nurse plan to implement?

• A. Obtain the healthcare provider’s advice as to when the restraints should be removed.
• B. Remove restraints one at a time to provide range of motion exercises.
• C. Record observation of the restraints q2h and ensure that they are in place at all times.
• D. Remove restraints q4h for 30 minutes and place gloves on the child’s hands.

Correct answer: B

Rationale: Removing restraints one at a time for range of motion exercises prevents muscle stiffness and allows assessment of the skin.

4. The healthcare provider is providing preconception counseling. Which supplement should the provider recommend to help prevent the occurrence of anencephaly?

• A. Folic Acid.
• B. Calcium.
• C. Iron.
• D. Vitamin D.

Correct answer: A

Rationale: Folic acid supplementation before and during early pregnancy is crucial for reducing the risk of neural tube defects, including anencephaly. Anencephaly is a severe birth defect in which a baby is born without parts of the brain and skull. Folic acid plays a key role in neural tube development and can significantly lower the chances of such defects when taken prior to conception and in early pregnancy.

5. A loading dose of terbutaline (Brethine) 250 mcg IV is prescribed for a client in preterm labor. Brethine 20 mg is added to 1,000 mL of D5W. How many milliliters of the solution should the nurse administer?

• A. 45
• B. 15 mL
• C. 4
• D. 13

Correct answer: D

Rationale: To calculate the amount of terbutaline to administer, first convert the dose to the same unit. 250 mcg = 0.25 mg. Next, set up a proportion: 20 mg is to 1000 mL as 0.25 mg is to X mL. Cross multiply and solve for X: 20 × X = 0.25 × 1000. X = (0.25 × 1000) / 20 = 12.5 mL. Therefore, the nurse should administer 13 mL of the solution. Choice A is incorrect as it does not reflect the correct calculation. Choice B is incorrect as it does not consider the accurate conversion and calculation. Choice C is incorrect as it is not the result of the correct proportion calculation.

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