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. Coma, respiratory alkalosis, and regular pupils: These are not indicative of opioid toxicity. Opioid toxicity typically leads to respiratory depression and constricted pupils.
B. Pinpoint pupils, respiratory depression, and coma: This is the classic triad of opioid toxicity. Pinpoint pupils, respiratory depression, and coma are hallmark signs.
C. Pinpoint pupils, hypertension, and constipation: Hypertension is not a typical feature of opioid overdose; hypotension is more common.
D. Constipation, pupillary dilation, and hypotension: Constipation is common with opioids but pupillary dilation and hypotension are not part of the typical toxicity triad.
Correct Answer is A
Explanation
A. Respiratory depression is a hallmark sign of opioid toxicity. A rate of 7 breaths per minute indicates severe respiratory depression, which can be life-threatening and requires immediate intervention with naloxone.
B. Anxiety is not typically associated with opioid toxicity, but rather may be a sign of withdrawal or other conditions.
C. Fever is not a sign of opioid toxicity. It may be a sign of infection or other medical issues.
D. Hypertension is not typical of opioid toxicity; opioids usually cause hypotension, not hypertension.
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