Exhibits
The practical nurse (PN) notifies the healthcare provider that the client continues to have signs of fluid volume deficit. The health care provider prescribes a continuous infusion of isotonic fluids.
Which fluid(s) is/are classified as isotonic? Select all that apply.
50% dextrose
0.45% sodium chloride
20% dextrose
5% dextrose
5% dextrose with 0.45% sodium chloride
5% dextrose with lactated Ringer's
lactated Ringer's
0.9% sodium chloride
Correct Answer : G,H
A. 50% dextrose
50% dextrose is not isotonic; it is a hypertonic solution. Hypertonic solutions have a higher concentration of solutes compared to the cells, causing water to move out of the cells and into the extracellular space, which does not treat fluid volume deficit effectively.
B. 0.45% sodium chloride
0.45% sodium chloride, also known as half-normal saline, is a hypotonic solution. Hypotonic solutions have a lower concentration of solutes compared to the cells, which would cause water to move into the cells rather than stay in the extracellular space to address fluid volume deficit.
C. 20% dextrose
20% dextrose is a hypertonic solution. It contains a higher concentration of dextrose compared to the extracellular fluid, which draws water into the extracellular space but is not used for treating fluid volume deficits.
D. 5% dextrose
5% dextrose (D5W) is initially isotonic but becomes hypotonic once metabolized, as the dextrose is used up and only water remains. It is not suitable for continuous isotonic fluid therapy for fluid volume deficit.
E. 5% dextrose with 0.45% sodium chloride
5% dextrose with 0.45% sodium chloride is a hypertonic solution. While it starts isotonic, it becomes hypotonic once the dextrose is metabolized, making it unsuitable for long-term isotonic fluid replacement.
F. 5% dextrose with lactated Ringer's
5% dextrose with lactated Ringer's is a hypertonic solution. It contains both dextrose and electrolytes, which are not purely isotonic and may not be ideal for addressing fluid volume deficits on their own.
G. Lactated Ringer's
Lactated Ringer's is an isotonic solution. It has a similar osmolarity to plasma and is used for fluid volume replacement, helping to restore blood volume and maintain electrolyte balance.
H. 0.9% sodium chloride
0.9% sodium chloride, or normal saline, is an isotonic solution. It has the same osmolarity as plasma and is commonly used for fluid volume replacement and maintaining hydration
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Protecting the client's left side during transfers is not directly related to addressing neglect syndrome. Clients with right hemisphere strokes may neglect the left side, but the UAP should be guided to approach from the left to help manage the neglect.
B. Demonstrating to the UAP how to approach the client from the left side helps manage the effects of neglect syndrome. Clients with right hemisphere strokes may not be aware of or may ignore the left side, so approaching from this side can improve the client’s awareness and safety.
C. Observing interactions between the client and family members might provide insights into the client’s condition but is not a direct intervention for managing neglect syndrome. The focus should be on practical strategies to help the client with neglect.
D. Asking the UAP to leave the room and assessing the client for bruising does not address the immediate needs of managing neglect syndrome. The priority is to ensure the client is safely engaged and managed, rather than performing a solitary assessment.
Correct Answer is B
Explanation
A. Understanding that prostate cancer mostly affects older men reflects awareness but does not necessarily indicate acceptance of the prognosis.
B. Expressing that the client has found support from faith and family and rejecting negative outlooks shows a level of emotional acceptance and coping with the reality of advanced cancer.
C. Believing that the disease was undetected for a long time suggests denial or frustration rather than acceptance of the prognosis.
D. A desire to try every possible treatment reflects hope and possibly denial rather than acceptance of the prognosis.
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