Nursing Elites

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

• A. There is an extra chromosome on the 21st pair.
• B. There is a missing chromosome on the 21st pair.
• C. There are two pairs of the 21st chromosome.
• D. The 21st chromosome pair is missing.

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 client who was discharged 8 months ago with cirrhosis and ascites is admitted with anorexia and recent hemoptysis. The client is drowsy but responds to verbal stimuli. The nurse programs a blood pressure monitor to take readings every 15 minutes. Which assessment should the nurse implement first?

• A. Evaluate distal capillary refill for delayed perfusion
• B. Check the extremities for bruising and petechiae
• C. Examine the peritibial regions for pitting edema
• D. Palpate the abdomen for tenderness and rigidity

Correct answer: D

Rationale: In a client with a history of cirrhosis and ascites presenting with anorexia and recent hemoptysis, palpating the abdomen for tenderness and rigidity is crucial as it helps in identifying signs of complications related to these conditions. Assessing for abdominal tenderness and rigidity can provide valuable information about the presence of internal bleeding, ascites complications, or liver enlargement. Evaluating distal capillary refill, checking for bruising and petechiae, or examining peritibial regions for pitting edema are important assessments but are not the priority in this case, given the client's history and current symptoms.

3. An unlicensed assistive personnel (UAP) reports to the nurse that a client with a postoperative wound infection has a temperature of 103.8°F, blood pressure 90/70, pulse 124 beats/min, and respirations of 28 breaths/min. When the nurse assesses the client's findings, they include a mottled skin appearance and confusion. Which action should the nurse take first?

• A. Obtain a wound specimen for culture.
• B. Initiate an infusion of intravenous (IV) fluids.
• C. Transfer the client to the ICU.
• D. Assess the client's core temperature.

Correct answer: B

Rationale: The correct action for the nurse to take first is to initiate an infusion of intravenous (IV) fluids. In this scenario, the client is showing signs of sepsis, indicated by a high temperature, low blood pressure, rapid heart rate, and increased respiratory rate. Mottled skin appearance and confusion are also signs of poor perfusion. Initiating IV fluids is crucial in treating sepsis to maintain blood pressure and perfusion. Obtaining a wound specimen for culture (Choice A) can be important but is not the priority at this moment. Transferring the client to the ICU (Choice C) can be considered after stabilizing the client. Assessing the client's core temperature (Choice D) is not the immediate priority compared to addressing the signs of sepsis and poor perfusion.

4. A client is receiving a secondary infusion of erythromycin 1 gram in 100 mL dextrose 5% in water (D5W) to be infused in 45 minutes. How many mL/hour should the nurse program the infusion pump?

• A. 100 mL/hour.
• B. 125 mL/hour.
• C. 133 mL/hour.
• D. 150 mL/hour.

Correct answer: C

Rationale: To infuse 100 mL in 45 minutes, the infusion rate should be set to 133 mL/hour (100 mL / 0.75 hours). This calculation is obtained by dividing the total volume to be infused by the total time for infusion (100 mL / 0.75 hours = 133 mL/hour). Therefore, choice C is the correct answer. Choices A, B, and D are incorrect because they do not accurately calculate the infusion rate required to deliver the medication within the specified time frame.

5. What is the major criterion for diagnosing cognitive impairment in a child?

• A. An IQ of 75 or less
• B. Subaverage functioning
• C. An IQ of 70 or less
• D. Onset before 18

Correct answer: C

Rationale: The correct criterion for diagnosing cognitive impairment in a child is having an IQ of 70 or less. This range is typically used to define cognitive impairment in children. Choice A ('An IQ of 75 or less') is incorrect as the threshold is generally set at 70 or below. Choice B ('Subaverage functioning') is vague and does not specifically address the IQ criterion. Choice D ('Onset before 18') is unrelated to the primary criterion of IQ level used in diagnosing cognitive impairment in children.

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