The nurse is preparing to administer hydration via an intravenous route to a client. The nurse understands that the patient needs an isotonic solution. Which of the following options is considered an isotonic solution?
0.9% Sodium Chloride
0.45% Sodium Chloride
5% Dextrose in Lactated Ringers
None of the above
The Correct Answer is A
A. 0.9% Sodium chloride (normal saline) is an isotonic solution, meaning it has a similar osmolality to the blood and will not cause fluid shifts into or out of cells.
B. This is a hypotonic solution, which has a lower osmolality than blood and can cause water to move into cells, potentially leading to cell swelling.
C. This solution is considered isotonic, but it has dextrose, which is metabolized quickly in the body, potentially making the solution hypotonic after glucose is used.
D. This is incorrect, as 0.9% Sodium Chloride is an isotonic solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Morphine is an opioid agonist, not an antagonist. It binds to the mu and kappa receptors to produce its analgesic effects.
B. Morphine sulfate is an opioid analgesic that works by binding to the mu and kappa receptors in the brain and spinal cord, which produces pain relief.
C. This statement is not accurate. Morphine sulfate typically has a stronger analgesic effect than butorphanol, a partial opioid agonist.
D. Morphine sulfate has a high potential for abuse due to its euphoric effects and is classified as a controlled substance.
Correct Answer is ["A","B","D"]
Explanation
A. Metformin interacts with iodine-containing contrast dye, increasing the risk of acute renal failure. Clients should temporarily stop metformin before undergoing contrast procedures.
B. Metformin is available in an oral form and is commonly prescribed for type 2 diabetes.
C. Weight gain is not a common side effect of metformin; in fact, it is often associated with weight neutrality or mild weight loss.
D. Metformin is typically used as a first-line medication for managing type 2 diabetes.
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