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 5-year-old child is admitted to the pediatric unit with fever and pain secondary to a sickle cell crisis. Which intervention should the nurse implement first?

• A. Obtain a culture of any sputum or wound drainage
• B. Initiate normal saline IV at 50 ml/hr
• C. Administer a loading dose of penicillin IM
• D. Administer the initial dose of folic acid PO

Correct answer: B

Rationale: In a child with a sickle cell crisis, the priority intervention is to initiate normal saline IV at 50 ml/hr to manage dehydration and help alleviate pain. This intervention helps improve hydration status and supports the circulation of sickled red blood cells, reducing the risk of vaso-occlusive episodes and associated pain. Obtaining a culture of any sputum or wound drainage (Choice A) may be necessary but is not the initial priority. Administering a loading dose of penicillin IM (Choice C) is important but not the first intervention. Administering the initial dose of folic acid PO (Choice D) is beneficial but does not address the immediate need for hydration in a sickle cell crisis.

3. A male infant with a 2-day history of fever and diarrhea is brought to the clinic by his mother, who tells the nurse that the child refuses to drink anything. The nurse determines that the child has a weak cry with no tears. Which intervention is most important to implement?

• A. Provide a bottle of electrolyte solution.
• B. Infuse normal saline intravenously.
• C. Administer an antipyretic rectally.
• D. Apply an external cooling blanket.

Correct answer: B

Rationale: Infusing normal saline intravenously is crucial to treat dehydration caused by fever and diarrhea. In this scenario, the infant's weak cry with no tears indicates severe dehydration, necessitating rapid fluid replacement via intravenous normal saline to restore fluid balance and prevent complications.

4. A client at 28 weeks gestation calls the antepartum clinic and reports experiencing a small amount of bright red vaginal bleeding without uterine contractions or abdominal pain. What instruction should the LPN/LVN provide?

• A. Come to the clinic today for an ultrasound.
• B. Go immediately to the emergency room.
• C. Lie on your left side for about one hour and see if the bleeding stops.
• D. Bring a urine specimen to the lab tomorrow to determine if you have a urinary tract infection.

Correct answer: A

Rationale: Bright red vaginal bleeding without pain could indicate placental issues such as previa. An ultrasound is necessary to evaluate the cause. It is important to rule out potential serious conditions like placental previa, which can lead to further complications for both the mother and the fetus. Therefore, prompt evaluation through an ultrasound at the clinic is essential for appropriate management and ensuring the well-being of the client and her baby.

5. A client in active labor is admitted with preeclampsia. Which assessment finding is most significant in planning this client's care?

• A. Patellar reflex 4+
• B. Blood pressure 158/80
• C. Four-hour urine output 240 ml
• D. Respirations 12/minute

Correct answer: A

Rationale: The correct answer is A: 'Patellar reflex 4+'. Hyperreflexia is a sign of severe preeclampsia and increases the risk of seizures, indicating the need for immediate intervention. Monitoring and addressing this finding are crucial in managing the client's condition and preventing complications.

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