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 D
Explanation
A. Keeping the head of the bed elevated is not specifically related to the care of a PICC line. The elevation may be a general comfort measure but is not a specific instruction for PICC line management.
B. Changing the dressing over the PICC line insertion site is a sterile procedure that should be performed by a licensed nurse, not a UAP. This task requires specific training and adherence to infection control practices.
C. Feeding the client all meals to reduce arm movement is not necessary and may be overly restrictive. The UAP’s role does not include limiting the client's activity beyond reasonable measures.
D. Using the opposite arm for blood pressure measurement is the correct guidance. It prevents potential interference with the PICC line and helps avoid complications such as dislodgement or infection.
Correct Answer is ["B","D","E","F"]
Explanation
A. A warning about potential charges for child neglect
This is not appropriate in a pre-discharge education context. The focus should be on providing support and education to prevent future incidents and to help the parents understand the importance of supervision and safety.
B. Information about pool safety
Providing information about pool safety is essential to prevent future drowning incidents. Parents should be educated on supervision, barriers, and emergency response measures like CPR. This helps ensure the child's safety and reduces the risk of similar accidents.
C. Instructions on how to access long-term home care
Long-term home care instructions are unnecessary unless the child has specific ongoing medical needs resulting from the submersion. Since the child is showing only minor signs of impact, this education is not relevant.
D. When to follow up with the child's pediatrician
Clear instructions on when to follow up with the pediatrician ensure ongoing monitoring for any delayed effects of the submersion injury. This follow-up helps address any emerging health concerns and reassures the parents about their child's recovery.
E. Assessment of the parent's coping skills
Assessing the parents' coping skills is important to understand their emotional and psychological state post-incident. This can help identify any need for further support or counseling, ensuring the family is equipped to handle the situation.
F. Contact information for community resources
Providing contact information for community resources offers additional support to the parents, such as access to counseling, parenting classes, or safety courses. This reinforces the safety education provided and ensures the parents have resources to turn to if needed
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