A charge nurse is teaching a newly licensed nurse about fluid shifts. The newly licensed nurse asks why sodium levels are high during dehydration. Which of the following responses should the charge nurse provide?

Water moves from areas where the concentration of sodium is higher to areas where the concentration is lower.

Water moves from areas where the concentration of sodium is lower to areas where the concentration is higher.

Sodium moves from areas where the concentration of solute is lower to areas where the concentration is higher.

Water and sodium particles move together to areas where sodium particles are higher.

Answer and Explanation

The Correct Answer is B

Choice A reason: This statement is incorrect because, during dehydration, water does not move towards areas of lower sodium concentration.

Choice B reason: This is correct because, during dehydration, the body retains sodium, and water follows by osmosis to areas where sodium concentration is higher, which can result in elevated sodium levels.

Choice C reason: Sodium does not typically move across membranes in response to solute concentration gradients; water does.

Choice D reason: Water moves independently of sodium particles, not necessarily together, and it moves towards areas of higher solute concentration.

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Free Nursing Study Resources

Correct Answer is ["0.5"]

Explanation

Step 1: The total amount of digoxin required per dose is 125 mcg. We need to convert this to mg because the available tablets are in mg. We know that 1 mg = 1000 mcg, so 125 mcg = 125 ÷ 1000 mg = 0.125 mg.

Step 2: Each tablet contains 0.25 mg of digoxin.

Step 3: To find out how many tablets are needed, we divide the total amount required by the amount in each tablet. So, (0.125 mg ÷ 0.25 mg/tablet).

Step 4: The result is 0.5 tablets.

So, the nurse should administer 0.5 tablets per dose. This is already rounded to the nearest tenth.

A. The client who had general anesthesia for back surgery 4 hours ago. B. The client who has a history of liver failure. C. The client who reported eating a diet high in calcium oxalate. D. The client who was treated with antibiotics for Staphylococcus aureus infection of the skin 2 weeks ago.

Correct Answer is A

Explanation

Choice A reason: General anesthesia can cause urinary retention due to its effects on the nervous system, which may temporarily impair the normal re?exes that control urination. This is particularly relevant in the immediate postoperative period.

Choice B reason: While liver failure can have many systemic effects, it is not directly associated with an increased risk of urinary retention. Urinary retention is more commonly related to factors affecting the urinary tract or nervous system.

Choice C reason: A diet high in calcium oxalate can contribute to kidney stones, but it does not directly increase the risk of urinary retention. Urinary retention typically involves an obstruction or nerve dysfunction.

Choice D reason: Antibiotic treatment for a skin infection, even one caused by Staphylococcus aureus, would not typically result in urinary retention. Urinary retention is usually related to urinary tract obstructions, medications, or nerve issues.

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A charge nurse is teaching a newly licensed nurse about fluid shifts. The newly licensed nurse asks why sodium levels are high during dehydration. Which of the following responses should the charge nurse provide?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has heart failure and a prescription for digoxin 125 mcg PO daily. Available is digoxin PO 0.25 mg/tablet. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

A nurse is caring for a group of clients on a medical-surgical unit. Which of the following clients is at greatest risk for urinary retention?

Correct Answer is A

Explanation

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