A nurse is teaching a class about administering IV fluids to treat dehydration. The nurse should include in the teaching that which of the following laboratory values indicates effective treatment of dehydration?
Urine specific gravity 1.020
BUN 28 mg/dl
Serum hematocrit 55%
Serum osmolarity 310 mOsm
The Correct Answer is D
A. Urine specific gravity 1.020: While this value indicates concentrated urine and can be useful in assessing dehydration, it doesn’t specifically confirm effective treatment. High urine specific gravity suggests dehydration because the kidneys are conserving water, but it doesn’t directly confirm the effectiveness of treatment.
B. BUN 28 mg/dl (Blood Urea Nitrogen): Elevated BUN levels can be seen in dehydration, but it's not a direct marker of effective treatment. It indicates dehydration due to increased urea concentration in the blood but doesn’t confirm if the treatment has been effective or not.
C. Serum hematocrit 55%: In dehydration, the blood becomes more concentrated due to water loss, causing an increase in hematocrit levels. However, while this value might indicate dehydration initially, it may not specifically confirm the effectiveness of treatment once initiated.
D. Serum osmolarity 310 mOsm: Serum osmolarity measures the concentration of particles in the blood. In dehydration, the blood becomes more concentrated, leading to increased serum osmolarity. When treatment is effective, rehydration occurs, diluting the blood and bringing serum osmolarity back toward normal levels. Therefore, a decrease in serum osmolarity towards the normal range (280-300 mOsm) would indicate effective treatment of dehydration
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
A. "Take the medication with an antacid if it upsets your stomach."
Explanation: Antacids may interfere with the absorption of iron. It is generally recommended to take iron supplements on an empty stomach or with vitamin C-containing foods to enhance absorption.
B. "Stop taking the medication if your stools become green or black."
Explanation: Ferrous sulfate can cause stools to become dark green or black, which is a normal and expected side effect. However, excessive black, tarry stools may indicate gastrointestinal bleeding and should be reported to the healthcare provider.
C. "Drink the elixir using a straw to prevent staining your teeth."
Explanation: Ferrous sulfate elixir can stain the teeth. Using a straw helps bypass direct contact with the teeth, reducing the risk of staining.
D. "Increase your fiber intake to prevent constipation."
Explanation: Iron supplements, including ferrous sulfate, can cause constipation. Increasing fiber intake can help alleviate constipation.
E. "Increase your intake of dairy products to increase the absorption of this medication."
Explanation: Calcium-containing foods, such as dairy products, can inhibit the absorption of iron. It is advisable to take iron supplements separately from calcium-containing foods.
Correct Answer is D
Explanation
A. "If I were you, I would get the vaccine to keep my family safe:"
This statement imposes the nurse's personal opinion on the client and may not respect the client's autonomy and decision-making.
B. "Influenza can be very serious to anyone who does not receive the vaccine:"
While this statement conveys the seriousness of influenza, it may be perceived as coercive or fear-inducing. It is important to provide information without pressure.
C. "The influenza vaccine is mandatory for all clients before discharge, so you will need to sign an against medical advice form:"
This statement is not accurate and may create unnecessary tension. Influenza vaccination is generally not mandatory, and clients have the right to decline without being labeled against medical advice for this particular vaccination.
D. "The influenza vaccine is strongly encouraged, but I understand you would like to decline right now:"
This is the correct answer. It acknowledges the client's decision to decline the vaccine while expressing that the vaccine is encouraged. It respects the client's autonomy and allows for open communication about the decision.
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