Nursing Elites

1. The client with chronic renal failure is being educated about the importance of a low-sodium diet. Which of the following statements by the client indicates a need for further teaching?

• A. I can eat canned vegetables as long as I rinse them first.
• B. I can use table salt sparingly.
• C. I can eat frozen dinners if they are labeled low-sodium.
• D. I can eat whatever I want as long as I avoid salty foods.

Correct answer: B

Rationale: The correct answer is B. Clients with chronic renal failure need to strictly limit their sodium intake. Advising the client to use table salt sparingly is incorrect as they should avoid table salt altogether to adhere to a low-sodium diet. Choice A is correct as rinsing canned vegetables can help reduce their sodium content. Choice C is correct as consuming frozen dinners labeled low-sodium can be a suitable option. Choice D is incorrect as it implies that avoiding only salty foods is sufficient, when in fact, overall sodium intake needs to be monitored closely.

2. A client has lost a significant amount of blood due to complications during surgery. What parameter does the nurse recognize as the earliest indication of new decreases in fluid volume?

• A. Pulse rate
• B. Blood pressure
• C. Pulmonary artery systolic pressure
• D. Pulmonary artery end-diastolic pressure

Correct answer: A

Rationale: The earliest indication of new decreases in fluid volume is often recognized by an increase in pulse rate. Cardiac output is influenced by circulating blood volume, heart pumping action, and vascular tone. As fluid volume decreases, the body compensates by increasing the pulse rate. The formula for cardiac output is pulse rate multiplied by stroke volume. An elevated pulse rate helps maintain blood pressure with minor volume depletion. Pulmonary artery systolic pressure and pulmonary artery end-diastolic pressure, obtained through a pulmonary artery catheter, provide insights into pulmonary artery and left ventricle pressures at the end of diastole. These parameters are not the earliest indicators of new decreases in fluid volume compared to pulse rate.

3. A patient asks the nurse about taking calcium supplements to avoid hypocalcemia. The nurse will suggest that the patient follow which instruction?

• A. Take a calcium and vitamin D combination supplement.
• B. Take calcium along with phosphorus to improve absorption.
• C. Take calcium with antacids to reduce stomach upset.
• D. Use aspirin instead of acetaminophen when taking calcium.

Correct answer: A

Rationale: The correct answer is to take a calcium and vitamin D combination supplement. Vitamin D enhances the absorption of calcium in the body, making it an essential component for calcium utilization. Choice B is incorrect because calcium and phosphorus have an inverse relationship, where an increased level of one mineral decreases the level of the other, so taking them together may not be beneficial. Choice C is incorrect because antacids often contain magnesium, which can promote calcium loss instead of absorption. Choice D is incorrect because aspirin can alter vitamin D levels and interfere with calcium absorption, so it is not recommended when taking calcium supplements.

4. What is the most common cause of peptic ulcers?

• A. Helicobacter pylori infection
• B. NSAID use
• C. Excessive alcohol consumption
• D. Stress

Correct answer: A

Rationale: Helicobacter pylori infection is the most common cause of peptic ulcers. This bacterium can weaken the protective mucous coating of the stomach and duodenum, allowing acid to get through to the sensitive lining beneath. NSAID use (Choice B) can also cause peptic ulcers by disrupting the stomach's mucosal barrier. Excessive alcohol consumption (Choice C) and stress (Choice D) can exacerbate and contribute to ulcer formation but are not the primary cause.

5. During spring break, a young adult presents to the urgent care clinic and reports a stiff neck, a fever for the past 6 hours, and a headache. Which intervention is most important for the nurse to implement first?

• A. Initiate isolation precautions
• B. Administer an antipyretic
• C. Draw blood cultures
• D. Prepare for lumbar puncture

Correct answer: A

Rationale: The correct answer is to initiate isolation precautions. This is the priority action because the patient presents with symptoms that could be indicative of meningitis, an infectious disease that requires isolation to prevent its spread. Administering an antipyretic (Choice B) may help manage the fever but does not address the need for isolation. Drawing blood cultures (Choice C) and preparing for a lumbar puncture (Choice D) are important steps in diagnosing meningitis but should come after initiating isolation precautions to prevent potential transmission of the infection to others.

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