which statement correctly explains the etiology of down syndrome
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1. Which statement correctly explains the etiology of Down syndrome?

Correct answer: A

Rationale: The correct answer is A: 'There is an extra chromosome on the 21st pair.' Down syndrome is caused by the presence of an extra copy of chromosome 21, known as trisomy 21. This additional genetic material leads to the characteristics associated with Down syndrome. Choices B, C, and D are incorrect because Down syndrome is not due to a missing chromosome or having two pairs of the 21st chromosome; it results from the presence of an extra chromosome on the 21st pair.

2. A young female client with 7 children is having frequent morning headaches, dizziness, and blurred vision. Her BP is 168/104. The client reports that her husband recently lost his job and she is not sleeping well. After administering a STAT dose of an antihypertensive IV med, which intervention is most important for the nurse to implement?

Correct answer: C

Rationale: Using an automated BP machine is crucial to continuously monitor for hypotension after administering an antihypertensive medication. This is essential to prevent a rapid drop in blood pressure that could lead to complications. Measuring urine output hourly to assess for renal perfusion is important but not the most immediate concern in this situation. Requesting pain medication is not relevant to the primary issue of managing blood pressure. Providing a quiet environment with low lighting may be beneficial for the client's overall well-being but is not as critical as monitoring for potential hypotension.

3. The parents of a child who has been diagnosed with sickle cell anemia ask why their child experiences pain. What is the most likely cause of the pain?

Correct answer: B

Rationale: The correct answer is B: Obstructed blood flow. In sickle cell anemia, the sickle-shaped red blood cells can clump together, obstructing blood flow in the vessels. This obstruction leads to tissue hypoxia (lack of oxygen) and necrosis, causing pain. Choice A, inflammation of the vessels, is not the primary cause of pain in sickle cell anemia. Choice C, overhydration, is unrelated to the pathophysiology of sickle cell anemia. Choice D, stress-related headaches, is not a characteristic symptom of sickle cell anemia.

4. The nurse is evaluating teaching about drug therapy to treat gout. Which statement by the client demonstrates an understanding of the use of allopurinol to treat Gout?

Correct answer: B

Rationale: Taking allopurinol every day helps to prevent gout flare-ups by reducing uric acid levels.

5. A client with a history of seizures is prescribed phenytoin. Which instruction should the nurse include in the discharge teaching?

Correct answer: A

Rationale: The correct answer is A: 'Report any signs of a sore throat or fever immediately.' Phenytoin can cause blood dyscrasias, which can manifest as a sore throat or fever. These symptoms could indicate a serious side effect that requires immediate medical attention. Choice B is incorrect because phenytoin should not be taken with antacids as they can decrease its absorption. Choice C is incorrect because discontinuing phenytoin abruptly can lead to rebound seizures; drowsiness is a common side effect that may improve with time. Choice D is incorrect because adjusting the dosage of phenytoin should only be done under healthcare provider supervision, not based on experiencing an aura.

Similar Questions

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